Cody

Problem 11. Back and Forth Rows

Solution 2222892

Submitted on 20 Apr 2020 by Modesto Rosado
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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 2 3 4 8 0 0 0 0 0 0 0 0 0 0 0 b = 1 2 3 4 8 7 0 0 0 0 0 0 0 0 0 0 b = 1 2 3 4 8 7 6 0 0 0 0 0 0 0 0 0 b = 1 2 3 4 8 7 6 5 0 0 0 0 0 0 0 0 b = 1 2 3 4 8 7 6 5 0 0 0 0 0 0 0 0 b = 1 2 3 4 8 7 6 5 0 0 0 0 0 -1 0 0 b = 1 2 3 4 8 7 6 5 0 0 0 0 0 -1 -2 0 b = 1 2 3 4 8 7 6 5 0 0 0 0 0 -1 -2 -3 b = 1 2 3 4 8 7 6 5 9 10 11 12 0 -1 -2 -3 b = 1 2 3 4 8 7 6 5 9 10 11 12 0 -1 -2 -3 b = 1 2 3 4 8 7 6 5 9 10 11 12 0 -1 -2 -3 b = 1 2 3 4 8 7 6 5 9 10 11 12 0 -1 -2 -3 b = 1 2 3 4 8 7 6 5 9 10 11 12 0 -1 -2 -3 b = 1 2 3 4 8 7 6 5 9 10 11 12 0 -1 -2 -3 b = 1 2 3 4 8 7 6 5 9 10 11 12 0 -1 -2 -3 b = 1 2 3 4 8 7 6 5 9 10 11 12 0 -1 -2 -3 b = 1 2 3 4 8 7 6 5 9 10 11 12 0 -1 -2 -3 b = 1 2 3 4 8 7 6 5 9 10 11 12 0 -1 -2 -3 b = 1 2 3 4 8 7 6 5 9 10 11 12 0 -1 -2 -3 b = 1 2 3 4 8 7 6 5 9 10 11 12 0 -1 -2 -3 b = 1 2 3 4 8 7 6 5 9 10 11 12 16 -1 -2 -3 b = 1 2 3 4 8 7 6 5 9 10 11 12 16 15 -2 -3 b = 1 2 3 4 8 7 6 5 9 10 11 12 16 15 14 -3 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 2 3 4 5 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 b = 1 2 3 4 5 10 9 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 0 0 0 0 0 0 -1 0 0 0 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 0 0 0 0 0 0 -1 -2 0 0 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 0 0 0 0 0 0 -1 -2 -3 0 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 0 0 0 0 0 0 -1 -2 -3 -4 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 0 -1 -2 -3 -4 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 0 -1 -2 -3 -4 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 0 -1 -2 -3 -4 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 0 -1 -2 -3 -4 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 0 -1 -2 -3 -4 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 0 -1 -2 -3 -4 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 0 -1 -2 -3 -4 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 0 -1 -2 -3 -4 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 0 -1 -2 -3 -4 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 0 -1 -2 -3 -4 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 0 -1 -2 -3 -4 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 0 -1 -2 -3 -4 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 0 -1 -2 -3 -4 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 0 -1 -2 -3 -4 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 0 -1 -2 -3 -4 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 20 -1 -2 -3 -4 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 20 19 -2 -3 -4 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 20 19 18 -3 -4 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 20 19 18 17 -4 0 0 0 0 0 b = 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 20 19 18 17 16 0 0 0 0 0 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 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 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 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 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 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 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 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 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 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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