Problem 5. Triangle Numbers

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Solution 394215

Submitted on 30 Jan 2014 by Matt

Size: 15
Leading solution size is 12.

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Matt on 30 Jan 2014

Compared this solution score to sum(1:n). Using tic toc and varying sizes of n repeated up to 1,000,000 times I found that n*(n+1)/2 is by far faster. On the order of 10,000 times faster.

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