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# Problem 719. Rotate a Matrix by 90 degrees

Solution 855373

Submitted on 23 Mar 2016 by David Schafer
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### Test Suite

Test Status Code Input and Output
1   Pass
x = [1 2;3 4]; y_correct = [2 4;1 3]; assert(isequal(rotMatrix(x),y_correct))

si = 2 2 y = 0 0 1 3 y = 2 4 1 3 y = 2 4 1 3

2   Pass
x = [1 2 3;4 5 6;7 8 9]; y_correct = [3 6 9;2 5 8;1 4 7]; assert(isequal(rotMatrix(x),y_correct))

si = 3 3 y = 0 0 0 0 0 0 1 4 7 y = 0 0 0 2 5 8 1 4 7 y = 3 6 9 2 5 8 1 4 7 y = 3 6 9 2 5 8 1 4 7

3   Pass
x=[1 2 3 4 5;6 7 8 9 0] y_correct = [5 0;4 9;3 8;2 7;1 6]; assert(isequal(rotMatrix(x),y_correct))

x = 1 2 3 4 5 6 7 8 9 0 si = 2 5 y = 0 0 0 0 0 0 0 0 1 6 y = 0 0 0 0 0 0 2 7 1 6 y = 0 0 0 0 3 8 2 7 1 6 y = 0 0 4 9 3 8 2 7 1 6 y = 5 0 4 9 3 8 2 7 1 6 y = 5 0 4 9 3 8 2 7 1 6

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