15 lines
175 B
C
15 lines
175 B
C
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#include <stdio.h>
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long f(long n){
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if(!n) return 0;
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else return 1+f(n/2);
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}
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int main(void){
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long n;
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while(scanf("%ld",&n) && n){
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printf("%ld\n",f(n));
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}
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return 0;
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}
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