LIFE CODING WITH JAVA
rint Like a Wave
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For a given two-dimensional integer array/list of size (N x M), print the array/list in a sine wave order, i. e, print the first column top to bottom, next column bottom to top and so on.
Sample Input 1:
1
3 4
1 2 3 4
5 6 7 8
9 10 11 12
Sample Output 1:
1 5 9 10 6 2 3 7 11 12 8 4
Sample Input 2:
2
5 3
1 2 3
4 5 6
7 8 9
10 11 12
13 14 15
3 3
10 20 30
40 50 60
70 80 90
Sample Output 2:
1 4 7 10 13 14 11 8 5 2 3 6 9 12 15
10 40 70 80 50 20 30 60 90
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