Created
November 4, 2019 11:43
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knuth intpow
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| unsigned int intpow(unsigned int a, unsigned int b) | |
| { | |
| unsigned int p = 1; | |
| for (; b > 0;) | |
| { | |
| if ((b & 1) != 0) | |
| { | |
| p *= a; | |
| } | |
| b >>= 1; | |
| a *= a; | |
| } | |
| return p; | |
| } |
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