#include <iostream> |
using namespace std; |
int main() |
{ |
while ( true ) |
{ |
int n=0; |
cin>>n; |
for ( int i= sizeof ( int )*8-1;i>=0;i--) |
{ |
int mask=1<<i; //二进制掩码 |
if (mask & n) |
cout<< "1" ; |
else |
cout<< "0" ; |
} |
cout<<endl; |
} |
} |