- 龙凤苑中学A班5.31
一尺之棰（别抄，骗人的）
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lfy41 LV 1 @ 2024-5-31 17:54:06
#include<bits/stdc++.h>
using namespace std;
int main() {
int a,n;
cin>>a;
for (n=0; n==1; n++,a/=2) {
cout << n;
}
return 0;
}
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