Cody

# Problem 11. Back and Forth Rows

Solution 335008

Submitted on 17 Oct 2013 by Greg
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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)));

a = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 a = 1 2 3 4 1 1 1 1 1 1 1 1 1 1 1 1 a = 1 2 3 4 5 6 7 8 1 1 1 1 1 1 1 1 a = 1 2 3 4 8 7 6 5 1 1 1 1 1 1 1 1 a = 1 2 3 4 8 7 6 5 9 10 11 12 1 1 1 1 a = 1 2 3 4 8 7 6 5 9 10 11 12 13 14 15 16 a = 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)));

a = 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 a = 1 2 3 4 5 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 a = 1 2 3 4 5 6 7 8 9 10 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 a = 1 2 3 4 5 10 9 8 7 6 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 a = 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 1 1 1 1 1 1 1 1 1 1 a = 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 16 17 18 19 20 1 1 1 1 1 a = 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 20 19 18 17 16 1 1 1 1 1 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