Cody

# Problem 11. Back and Forth Rows

Solution 75826

Submitted on 13 Apr 2012 by Sunu
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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 = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 i = Columns 1 through 10 1 2 3 4 5 6 7 8 9 10 Columns 11 through 16 11 12 13 14 15 16 B = 8 7 6 5 b = 1 2 3 4 8 7 6 5 9 10 11 12 13 14 15 16 B = 16 15 14 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 = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 i = Columns 1 through 10 1 2 3 4 5 6 7 8 9 10 Columns 11 through 20 11 12 13 14 15 16 17 18 19 20 Columns 21 through 25 21 22 23 24 25 B = 10 9 8 7 6 b = 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 B = 20 19 18 17 16 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