zoj 2417.Lowest Bit

Lowest Bit

#include <fstream>#include <iostream>#include <cmath>using namespace std;int main(int argc, char* argv[]){//ifstream cin("aaa.txt");int n,num;while(cin>>n){num=0;if(n==0)break;while(n%2!=1){num++;n=n/2;}cout<<pow(2.0,num*1.0)<<endl;}return 0;}