25 lines
422 B
C
25 lines
422 B
C
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/*
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* http://projecteuler.net
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*
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* Projecteuler - Problem 15
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* ------------------------
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* 2010-06-12 Henrik Hautakoski
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*
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* Hard one, there is no clear connection between the grid's lines and pascal's triangle.
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* but it sure is elegant.
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*/
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#include <stdio.h>
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int main() {
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int c;
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double r = 20*2 + 1, v = 1;
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for(c=1; c <= 20; c++)
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v *= (r - c) / c;
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printf("%.0f\n", v);
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return 0;
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}
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