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Solution 145924

Submitted on 9 Oct 2012 by Fumiaki

Correct

24Size
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))
ans =
  Columns 1 through 10
     1     0     1     0     0     1     0     0     0     1
  Columns 11 through 20
     0     0     0     0     1     0     0     0     0     0
  Columns 21 through 30
     1     0     0     0     0     0     0     1     0     0
  Columns 31 through 40
     0     0     0     0     0     1     0     0     0     0
  Columns 41 through 50
     0     0     0     0     1     0     0     0     0     0
  Columns 51 through 60
     0     0     0     0     1     0     0     0     0     0
  Columns 61 through 70
     0     0     0     0     0     1     0     0     0     0
  Columns 71 through 80
     0     0     0     0     0     0     0     1     0     0
  Columns 81 through 90
     0     0     0     0     0     0     0     0     0     0
  Columns 91 through 100
     1     0     0     0     0     0     0     0     0     0
2
Pass
 
%%
x = 1;
y_correct = true;
assert(isequal(isTriangleNumber(x),y_correct))
ans =
     1
3
Pass
 
%%
x = [4912734125;4912734126];
y_correct = [false;true];
assert(isequal(isTriangleNumber(x),y_correct))
ans =
     0
     1