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Problem 291. Triangle Numbers Below N

Solution 1209149

Submitted on 9 Jun 2017 by yurenchu
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Test Suite

Test Status Code Input and Output
1   Pass
x = 100; y_correct = cumsum(1:13); assert(isequal(TriBeNum(x),y_correct))

z = 1 3 6 10 15 21 28 36 45 55 66 78 91
2   Pass
x = 1000; y_correct = cumsum(1:44); assert(isequal(TriBeNum(x),y_correct))

z = Columns 1 through 29 1 3 6 10 15 21 28 36 45 55 66 78 91 105 120 136 153 171 190 210 231 253 276 300 325 351 378 406 435 Columns 30 through 44 465 496 528 561 595 630 666 703 741 780 820 861 903 946 990

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