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Correct

53Size
Leading solution size is 14.
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

Test Suite

Test
Code Input and Output
1
Pass
 
%%
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))

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

                    
3
Pass
 
%%
x = [4912734125;4912734126];
y_correct = [false;true];
assert(isequal(isTriangleNumber(x),y_correct))
{Warning: Warning: FOR loop index is too large. Truncating to
2147483647.}
{> In isTriangleNumber at 3
  In verifyCode>evaluateCode at 189
  In verifyCode at 37
  In fevalJSON at 14}
{Warning: Warning: FOR loop index is too large. Truncating to
2147483647.}
{> In isTriangleNumber at 3
  In verifyCode>evaluateCode at 189
  In verifyCode at 37
  In fevalJSON at 14}