Hướng dẫn odd even index in python - chỉ số chẵn lẻ trong python

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    Bàn luận
    Using Naive method, this task can be performed by using the loops. One can use two containers one each to store alternate elements and later joining them.

    Python3

    Danh sách Python khá phổ biến và bất kể loại trường nào là mã hóa, người ta phải đối phó với danh sách và các ứng dụng khác nhau của nó. Trong bài viết cụ thể này, chúng tôi thảo luận về các cách để phân tách các yếu tố lẻ và thậm chí được lập chỉ mục và sự tái thiết của nó tham gia. Hãy để thảo luận về các cách để đạt được điều này. & NBSP;

    Phương pháp số 1: Sử dụng phương pháp ngây thơ sử dụng phương pháp ngây thơ, tác vụ này có thể được thực hiện bằng cách sử dụng các vòng lặp. Người ta có thể sử dụng hai container một để lưu trữ các yếu tố thay thế và sau đó tham gia cùng chúng.

    Các

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    3
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    4
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    5
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    6
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    7
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    8

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    9=
    Original Array: 3 6 12 1 5 8 
    Modified Array: 6 3 12 1 8 5 
    1

    Original Array: 3 6 12 1 5 8 
    Modified Array: 6 3 12 1 8 5 
    2=
    Original Array: 3 6 12 1 5 8 
    Modified Array: 6 3 12 1 8 5 
    1

    =0=1

    Original Array: 3 6 12 1 5 8 
    Modified Array: 6 3 12 1 8 5 
    5
    Original Array: 3 6 12 1 5 8 
    Modified Array: 6 3 12 1 8 5 
    6
    Original Array: 3 6 12 1 5 8 
    Modified Array: 6 3 12 1 8 5 
    7
    Original Array: 3 6 12 1 5 8 
    Modified Array: 6 3 12 1 8 5 
    8
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    4test_list 0, ____42

    =0=6

    test_list 4test_list 5

    Original Array: 3 6 12 1 5 8 
    Modified Array: 6 3 12 1 8 5 
    6test_list 7
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    7test_list 9

    test_list 4=3 test_list 9

    =7=

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    9
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    6 [1

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list: [3, 7, 9, 1, 6, 8, 2, 5]

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    3
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    4[4
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    6
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    7[7
    Method #2 : Using list slicing 
    This particular task can be easily performed using the list slicing method in a more compact and efficient manner, this is a recommended method to solve this problem.

    Python3

    Danh sách Python khá phổ biến và bất kể loại trường nào là mã hóa, người ta phải đối phó với danh sách và các ứng dụng khác nhau của nó. Trong bài viết cụ thể này, chúng tôi thảo luận về các cách để phân tách các yếu tố lẻ và thậm chí được lập chỉ mục và sự tái thiết của nó tham gia. Hãy để thảo luận về các cách để đạt được điều này. & NBSP;

    Phương pháp số 1: Sử dụng phương pháp ngây thơ sử dụng phương pháp ngây thơ, tác vụ này có thể được thực hiện bằng cách sử dụng các vòng lặp. Người ta có thể sử dụng hai container một để lưu trữ các yếu tố thay thế và sau đó tham gia cùng chúng.

    Các

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    3
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    4
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    5
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    6
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    7
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    8

    =7=

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    9
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    6 [1

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]


    Cho một mảng kích thước n chứa số lượng số lẻ và chẵn bằng nhau. Vấn đề là sắp xếp các số theo cách mà tất cả các số chẵn đều có chỉ số chẵn và số lẻ có chỉ số lẻ. Không gian phụ trợ bắt buộc là O [1] .Examples: & nbsp; & nbsp;n containing equal number of odd and even numbers. The problem is to arrange the numbers in such a way that all the even numbers get the even index and odd numbers get the odd index. Required auxiliary space is O[1].
    Examples : 
     

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 

    Nguồn: Kinh nghiệm phỏng vấn Amazon | Đặt 410. & nbsp; Amazon Interview Experience | Set 410.
     

    Cách tiếp cận: & nbsp; & nbsp;
     

    • Bắt đầu từ bên trái và giữ hai chỉ mục một cho vị trí chẵn và các vị trí khác cho các vị trí lẻ.
    • Traverse những chỉ số này từ trái.
    • Ở vị trí thậm chí nên có số chẵn và tại các vị trí lẻ, cần có số lẻ.
    • Bất cứ khi nào có sự không phù hợp, chúng tôi trao đổi các giá trị ở số lẻ và thậm chí chỉ số.

    Dưới đây là việc thực hiện phương pháp trên: & nbsp;
     

    CPP

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    10

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    11
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    12
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    13

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    14
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    15
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    17
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    19

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    20

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    21
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    23

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    26

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    28
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    4
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    30
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    31

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    20

    =0

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    28
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    36

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    37
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    38

    =0

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    28
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    41

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    37
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    43

    =0test_list 5

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    46

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    37
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    48

    =0=3

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    37
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    52
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    53

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    55

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    55

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    14
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    58
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    17
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    19

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    20

    test_list 4

    Original Array: 3 6 12 1 5 8 
    Modified Array: 6 3 12 1 8 5 
    5
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    4
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    68

    =0

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    70
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    71
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    53

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    55

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    75

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    20

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    79

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    82
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    83
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    84
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    83
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    86

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    88
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    89
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    53

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    92

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    94

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    88
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    97
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    53

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    92

    test_list 4

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    02
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    03

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    55

    Java

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    05
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    06

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    05
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    08

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    09
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    10

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    11
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    12
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    14
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    15
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    17
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    19

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    20

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    2222219
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    53

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    27test_list 0
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    53

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    28
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    4
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    30
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    31

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    20

    =0

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    28
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    36

    =0

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    28
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    41

    =0test_list 5

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    46

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    37
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    56
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    7
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    53

    =0test_list 5

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    46

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    37
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    20

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    55

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    64
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    68

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    64
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    70

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    37
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    55

    =0=3

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    37
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    52
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    53

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    55

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    55

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    14
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    58
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    17
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    19

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    20

    test_list 4

    Original Array: 3 6 12 1 5 8 
    Modified Array: 6 3 12 1 8 5 
    5
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    4
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    68

    =0

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    98
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    71
    Original Array: 3 6 12 1 5 8 
    Modified Array: 6 3 12 1 8 5 
    00

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    55

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    75

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    79

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    82
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    83
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    84
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    83
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    86

    test_list 4

    Original Array: 3 6 12 1 5 8 
    Modified Array: 6 3 12 1 8 5 
    27
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    89
    Original Array: 3 6 12 1 5 8 
    Modified Array: 6 3 12 1 8 5 
    00

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    92

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    94

    test_list 4

    Original Array: 3 6 12 1 5 8 
    Modified Array: 6 3 12 1 8 5 
    27
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    97
    Original Array: 3 6 12 1 5 8 
    Modified Array: 6 3 12 1 8 5 
    00

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    92

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    55

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    55

    Python3

    test_list 4

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    02
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    03

    Java

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    05
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    06

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    05
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    08

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    09
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    10

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    11
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    12
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    14
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    15
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    17
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    19

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    2222219
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    53

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    27test_list 0
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    53

    =0

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    28
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    39
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    7
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    41test_list 0
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    31

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    37
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    45
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    7
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    53

    =0

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    28
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    50
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    7
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    41
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    9
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    31

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    64
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    66

    =0=3test_list 9

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    37
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    52

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    11
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    12
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    14
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    58
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    17
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    19

    test_list 4

    Original Array: 3 6 12 1 5 8 
    Modified Array: 6 3 12 1 8 5 
    5
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    4
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    94test_list 0
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    96

    =0

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    3test_list 23test_list 24test_list 25

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    11
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    12
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    14
    Original Array: 3 6 12 1 5 8 
    Modified Array: 6 3 12 1 8 5 
    05

    test_list 4___

    test_list 4test_list 45= 6

    test_list 4

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    3
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    4
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    89test_list 52=test_list 54

    test_list 4test_list 56

    test_list 4test_list 58

    test_list 4

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    3
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    4
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    97test_list 52=test_list 54

    test_list 4test_list 56

    test_list 5 test_list 69== test_list 72test_list 9

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    75

    C#

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    11 test_list 77

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    09 test_list 79

    test_list 4

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    11
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    12
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    14
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    15
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16test_list 86
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    19

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    20

    test_list 91

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    23

    test_list 91

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    26

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    28
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    4
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    30
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    31

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    20

    =0

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    28
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    36

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    37
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    38

    =0

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    28
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    41

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    37
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    43

    =0test_list 5

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    46

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    37
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    20

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    64
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    66

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    64
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    68

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    64
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    70

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    37
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    55

    =0=3

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    37
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    52
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    53

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    55

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    55

    test_list 4

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    11
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    12
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    14
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    58
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16test_list 86
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    19

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    20

    =0

    Original Array: 3 6 12 1 5 8 
    Modified Array: 6 3 12 1 8 5 
    5
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    4
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    68

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    37=54
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    71
    Original Array: 3 6 12 1 5 8 
    Modified Array: 6 3 12 1 8 5 
    00

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    55

    test_list 4

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    11
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    12
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    14 =63

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    20

    =0

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16=68

    =0

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16 =71

    =0=73

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    89
    Original Array: 3 6 12 1 5 8 
    Modified Array: 6 3 12 1 8 5 
    00

    =0

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    92

    =0

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    94

    =0=73

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    97
    Original Array: 3 6 12 1 5 8 
    Modified Array: 6 3 12 1 8 5 
    00

    =0

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    92

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    55

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    55

    JavaScript

    =89

    =90 test_list 58

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    20

    test_list 4=94

    test_list 4=96

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    28
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    4
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    30
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    31

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    20

    =0

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    28
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    36

    =0

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    28
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    41

    =0

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    28
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    41

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    37
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    43

    =0test_list 5

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    46

    =0

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    20

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    37[20

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    37
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    66

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    37
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    68

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    37
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    70

    =0[28

    =0=3

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    37
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    52
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    53

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    55

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    55

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    64
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    66

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    20

    test_list 4

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    11
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    12
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    14
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    58
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16test_list 86
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    19

    =0[44

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    71
    Original Array: 3 6 12 1 5 8 
    Modified Array: 6 3 12 1 8 5 
    00

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    55

    test_list 4[49

    test_list 4[51

    =0

    Original Array: 3 6 12 1 5 8 
    Modified Array: 6 3 12 1 8 5 
    5
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    4
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    68

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    92

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    94

    test_list 4

    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    11
    Input : arr[] = {3, 6, 12, 1, 5, 8}
    Output : 6 3 12 1 8 5 
    
    Input : arr[] = {10, 9, 7, 18, 13, 19, 4, 20, 21, 14}
    Output : 10 9 18 7 20 19 4 13 14 21 
    12
    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    14 =63

    test_list 4

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    92

    [68

    =0

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16=68 

    Original Array: 3 6 12 1 5 8 
    Modified Array: 6 3 12 1 8 5 

    =0

    The original list : [3, 6, 7, 8, 9, 2, 1, 5]
    Separated odd and even index list : [3, 7, 9, 1, 6, 8, 2, 5]
    16 =71: O[N], as we are using a loop to traverse N times.

    JavaScript: O[1], as we are not using any extra space.

    =90 test_list 58Ayush Jauhari. If you like GeeksforGeeks and would like to contribute, you can also write an article using write.geeksforgeeks.org or mail your article to . See your article appearing on the GeeksforGeeks main page and help other Geeks.
    Please write comments if you find anything incorrect, or you want to share more information about the topic discussed above.
     


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