15 lines
190 B
C++
15 lines
190 B
C++
#include<cstdio>
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int f(int n)
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{
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return n==1?1:f(n/2)+1;
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}
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int main()
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{
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#ifdef local
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freopen("pro.in","r",stdin);
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#endif
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int n;
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while(scanf("%d",&n)==1) printf("%d\n",f(n));
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return 0;
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}
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