17 lines
286 B
C
17 lines
286 B
C
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#include <stdio.h>
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#include <stdlib.h>
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int main(){
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unsigned int a = 0xa2;
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unsigned int b = 0xb;
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unsigned long long int res = 0;
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unsigned long long int extra = (unsigned long long int) a;
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while (b) {
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if (b & 0x1) res += extra;
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extra = extra << 1;
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b = b >> 1;
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}
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exit(0);
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}
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