Cody

# Problem 11. Back and Forth Rows

Solution 2092701

Submitted on 14 Jan 2020 by Aleksandrov Igor
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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 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 b = 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 b = 1 1 1 1 2 1 1 1 3 1 1 1 1 1 1 1 b = 1 1 1 1 2 1 1 1 3 1 1 1 4 1 1 1 b = 1 5 1 1 2 1 1 1 3 1 1 1 4 1 1 1 b = 1 5 1 1 2 6 1 1 3 1 1 1 4 1 1 1 b = 1 5 1 1 2 6 1 1 3 7 1 1 4 1 1 1 b = 1 5 1 1 2 6 1 1 3 7 1 1 4 8 1 1 b = 1 5 9 1 2 6 1 1 3 7 1 1 4 8 1 1 b = 1 5 9 1 2 6 10 1 3 7 1 1 4 8 1 1 b = 1 5 9 1 2 6 10 1 3 7 11 1 4 8 1 1 b = 1 5 9 1 2 6 10 1 3 7 11 1 4 8 12 1 b = 1 5 9 13 2 6 10 1 3 7 11 1 4 8 12 1 b = 1 5 9 13 2 6 10 14 3 7 11 1 4 8 12 1 b = 1 5 9 13 2 6 10 14 3 7 11 15 4 8 12 1 b = 1 5 9 13 2 6 10 14 3 7 11 15 4 8 12 16 b = 1 8 9 16 2 7 10 15 3 6 11 14 4 5 12 13 b = 1 2 3 4 8 7 6 5 9 10 11 12 16 15 14 13

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

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