#include<iostream> #include<cmath> using namespace std; int main(void){ int n; while(cin>>n&&n){ string b; int sum=0,x=0,i=0; while(n){ int k=n%2; b+=(k+'0'); n=n/2; } for(i=0;i<=b.length()-1;i++){ if(b[i]!='0') break; } for(int j=0;j<=i;j++){ if(b[j]!='0') sum+=(pow(2,x)); x++; } cout<<sum<<endl; } } |
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