misc changes.
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@@ -1,36 +1,33 @@
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/* Check cf5-opt.vim defs.
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VIM: let g:lcppflags="-std=c++11 -O2 -pthread"
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VIM: let g:wcppflags="/O2 /EHsc /DWIN32"
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*/
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#include <iostream>
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#Highly divisible triangular number
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#Problem 12
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#
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#The sequence of triangle numbers is generated by adding the natural numbers.
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#So the 7th triangle number would be 1 + 2 + 3 + 4 + 5 + 6 + 7 = 28. The first
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#ten terms would be:
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#
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#1, 3, 6, 10, 15, 21, 28, 36, 45, 55, ...
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#
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#Let us list the factors of the first seven triangle numbers:
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#
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# 1: 1
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# 3: 1,3
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# 6: 1,2,3,6
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#10: 1,2,5,10
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#15: 1,3,5,15
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#21: 1,3,7,21
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#28: 1,2,4,7,14,28
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#We can see that 28 is the first triangle number to have over five divisors.
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#
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#What is the value of the first triangle number to have over five hundred
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#divisors?
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#
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#Solution:
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#
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/*
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Highly divisible triangular number
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Problem 12
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The sequence of triangle numbers is generated by adding the natural numbers. So the 7th triangle number would be 1 + 2 + 3 + 4 + 5 + 6 + 7 = 28. The first ten terms would be:
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1, 3, 6, 10, 15, 21, 28, 36, 45, 55, ...
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Let us list the factors of the first seven triangle numbers:
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1: 1
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3: 1,3
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6: 1,2,3,6
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10: 1,2,5,10
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15: 1,3,5,15
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21: 1,3,7,21
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28: 1,2,4,7,14,28
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We can see that 28 is the first triangle number to have over five divisors.
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What is the value of the first triangle number to have over five hundred divisors?
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Solution:
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*/
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int main ( void )
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{
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return 0;
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}
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