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Greatest Common Factor using Euclid's algorithm and, gasp, gotos to be fast (about 50% faster)
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| static long gcf(long m, long n) | |
| { | |
| if (m < n) goto l2; | |
| l1: if ((m %= n) == 0) return n; | |
| l2: if ((n %= m) == 0) return m; | |
| goto l1; | |
| } |
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