Cody

# Problem 44402. Horizontal matrix sort

Solution 1366765

Submitted on 3 Dec 2017 by Eran Shvartzman
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### Test Suite

Test Status Code Input and Output
1   Pass
x = []; y_correct = []; assert(isequal(backAndforth(x),y_correct))

a = [] b = [] y = []

2   Pass
x = 0; y_correct = [0 0]; assert(isequal(backAndforth(x),y_correct))

a = 0 b = 0 y = 0 0

3   Pass
x = [1 4 3 2]; y_correct = [1 2 3 4 4 3 2 1]; assert(isequal(backAndforth(x),y_correct))

a = 1 2 3 4 b = 4 3 2 1 y = 1 2 3 4 4 3 2 1

4   Pass
x = [1; 4; 3; 2]; y_correct = [1 1; 4 4; 3 3; 2 2]; assert(isequal(backAndforth(x),y_correct))

a = 1 4 3 2 b = 1 4 3 2 y = 1 1 4 4 3 3 2 2

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

a = 1 2 8 9 4 5 8 9 6 8 9 9 b = 9 8 2 1 9 8 5 4 9 9 8 6 y = 1 2 8 9 9 8 2 1 4 5 8 9 9 8 5 4 6 8 9 9 9 9 8 6