Cody

# Problem 11. Back and Forth Rows

Solution 1882405

Submitted on 24 Jul 2019 by jinyu zhou
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### Test Suite

Test Status Code Input and Output
1   Pass
n = 4; a = [ 1 2 3 4; 8 7 6 5; 9 10 11 12; 16 15 14 13]; assert(isequal(a,back_and_forth(n)));

b = 1 b = 1 2 b = 1 2 3 b = 1 2 3 4 b = 1 2 3 4 5 0 0 0 b = 1 2 3 4 5 6 0 0 b = 1 2 3 4 5 6 7 0 b = 1 2 3 4 5 6 7 8 b = 1 2 3 4 5 6 7 8 9 0 0 0 b = 1 2 3 4 5 6 7 8 9 10 0 0 b = 1 2 3 4 5 6 7 8 9 10 11 0 b = 1 2 3 4 5 6 7 8 9 10 11 12 b = 1 2 3 4 5 6 7 8 9 10 11 12 13 0 0 0 b = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 0 0 b = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 b = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

2   Pass
n = 5; a = [ 1 2 3 4 5; 10 9 8 7 6; 11 12 13 14 15; 20 19 18 17 16; 21 22 23 24 25]; assert(isequal(a,back_and_forth(n)));

b = 1 b = 1 2 b = 1 2 3 b = 1 2 3 4 b = 1 2 3 4 5 b = 1 2 3 4 5 6 0 0 0 0 b = 1 2 3 4 5 6 7 0 0 0 b = 1 2 3 4 5 6 7 8 0 0 b = 1 2 3 4 5 6 7 8 9 0 b = 1 2 3 4 5 6 7 8 9 10 b = 1 2 3 4 5 6 7 8 9 10 11 0 0 0 0 b = 1 2 3 4 5 6 7 8 9 10 11 12 0 0 0 b = 1 2 3 4 5 6 7 8 9 10 11 12 13 0 0 b = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 0 b = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 b = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 0 0 0 0 b = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 0 0 0 b = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 0 0 b = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 0 b = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 b = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 0 0 0 0 b = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 0 0 0 b = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 0 0 b = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 0 b = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

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