Cody

Problem 139. Determine if a Given Number is a Triangle Number

Solution 1939584

Submitted on 17 Sep 2019
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Test Suite

Test Status Code Input and Output
1   Fail
x = 1:100; y_correct = false(1,100); y_correct([1 3 6 10 15 21 28 36 45 55 66 78 91]) = true; assert(isequal(isTriangleNumber(x),y_correct))

y = 1 y = 1 0 y = 1 0 0 y = 1 0 0 0 y = 1 0 0 0 0 y = 1 0 0 0 0 0 y = 1 0 0 0 0 0 0 y = 1 0 0 0 0 0 0 0 y = 1 0 0 0 0 0 0 0 0 y = 1 0 0 0 0 0 0 0 0 0 y = 1 0 0 0 0 0 0 0 0 0 0 y = 1 0 0 0 0 0 0 0 0 0 0 0 y = 1 0 0 0 0 0 0 0 0 0 0 0 0 y = 1 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 1 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 y = 1 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 0 y = 1 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 0 0 y = 1 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 0 0 0 y = Columns 1 through 29 1 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 0 0 0 Column 30 0 y = Columns 1 through 29 1 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 0 0 0 Columns 30 through 31 0 0 y = Columns 1 through 29 1 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 0 0 0 Columns 30 through 32 0 0 0 y = Columns 1 through 29 1 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 0 0 0 Columns 30 through 33 0 0 0 0 y = Columns 1 through 29 1 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 0 0 0 Columns 30 through 34 0 0 0 0 0 y = Columns 1 through 29 1 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 0 0 0 Columns 30 through 35 0 0 0 0 0 0 y = Columns 1 through 29 1 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 0 0 0 Columns 30 through 36 0 0 0 0 0 0 0 y = Columns 1 through 29 1 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 0 0 0 Columns 30 through 37 0 0 0 0 0 0 0 0 y = Columns 1 through 29 1 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 0 0 0 Columns 30 through 38 0 0 0 0 0 0 0 0 0 y = Columns 1 through 29 1 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 0 0 0 Columns 30 through 39 0 0 0 0 0 0 0 0 0 0 y = Columns 1 through 29 1 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 0 0 0 Columns 30 through 40 0 0 0 0 0 0 0 0 0 0 0 y = Columns 1 through 29 1 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 0 0 0 Columns 30 through 41 0 0 0 0 0 0 0 0 0 0 0 0 y = Columns 1 through 29 1 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 0 0 0 Columns 30 through 42 0 0 0 0 0 0 0 0 0 0 0 0 0 y = Columns 1 through 29 1 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 0 0 0 Columns 30 through 43 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = Columns 1 through 29 1 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 0 0 0 Columns 30 through 44 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = Columns 1 through 29 1 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 0 0 0 Columns 30 through 45 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = Columns 1 through 29 1 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 0 0 0 Columns 30 through 46 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = Columns 1 through 29 1 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 0 0 0 Columns 30 through 47 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = Columns 1 through 29 1 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 0 0 0 Columns 30 through 48 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = Columns 1 through 29 1 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 0 0 0 Columns 30 through 49 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = Columns 1 through 29 1 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 0 0 0 Columns 30 through 50 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = Columns 1 through 29 1 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 0 0 0 Columns 30 through 51 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = Columns 1 through 29 1 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 0 0 0 Columns 30 through 52 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = Columns 1 through 29 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

Assertion failed.

2   Pass
x = 1; y_correct = true; assert(isequal(isTriangleNumber(x),y_correct))

y = 1

3   Fail
x = [4912734125;4912734126]; y_correct = [false;true]; assert(isequal(isTriangleNumber(x),y_correct))

y = 0 y = 0 0

Assertion failed.