Cody

# Problem 44468. Diagonal Pattern

Solution 1922997

Submitted on 5 Sep 2019
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### Test Suite

Test Status Code Input and Output
1   Pass
filetext = fileread('diagonalPattern.m'); assert(isempty(strfind(filetext, 'regexp')),'regexp hacks are forbidden')

2   Fail
n = 1; mat_correct = 0; assert(isequal(diagonalPattern(n),mat_correct))

t = 0

Undefined function or variable 'mat'. Error in diagonalPattern (line 7) mat=triu([0:n-1; mat]); Error in Test2 (line 3) assert(isequal(diagonalPattern(n),mat_correct))

3   Fail
n = -1; mat_correct = []; assert(isequal(diagonalPattern(n),mat_correct))

t = 1×0 empty double row vector

Undefined function or variable 'mat'. Error in diagonalPattern (line 7) mat=triu([0:n-1; mat]); Error in Test3 (line 3) assert(isequal(diagonalPattern(n),mat_correct))

4   Fail
n = 1.5; mat_correct = []; assert(isequal(diagonalPattern(n),mat_correct))

t = 0

Undefined function or variable 'mat'. Error in diagonalPattern (line 7) mat=triu([0:n-1; mat]); Error in Test4 (line 3) assert(isequal(diagonalPattern(n),mat_correct))

5   Fail
n = 4; mat_correct = [0 1 2 3 1 0 1 2 2 1 0 1 3 2 1 0]; assert(isequal(diagonalPattern(n),mat_correct))

t = 0 1 2 3 ans = 0 0 0 0 1 0 0 0 2 1 0 0 3 2 1 0

Assertion failed.

6   Fail
n = 5; mat_correct = [0 1 2 3 4 1 0 1 2 3 2 1 0 1 2 3 2 1 0 1 4 3 2 1 0]; assert(isequal(diagonalPattern(n),mat_correct))

t = 0 1 2 3 4 ans = 0 0 0 0 0 1 0 0 0 0 2 1 0 0 0 3 2 1 0 0 4 3 2 1 0

Assertion failed.