高中 a034: 二進位制轉換

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#include<iostream>
using namespace std;  
int main() {
     int x;
     while(cin >> x){
          char temp[255] ;
          for(int i = 0 ; x > 0; i++ )
          {
              if((x%2)==1)
              {
                  temp[i] = '1' ;
              }
              else
              {
                  temp[i] = '0' ;
              }
              x /= 2 ;
              if(x==0)
              {
                  for(int j = i ; j >=0 ; j--)
                  {
                     cout << temp[j] ;
                  }
                  cout << endl ;
              }
          }
     }
     return 0;
}