#include<iostream>
using namespace std;
int main()
{
	int n;
	while(cin>>n)
	{
		if(n==0)break;
		int r=1,sum=0,p=n,g=0;
		while(p%2==0)
		{
			p=p/2;r=r*2;g=1;
		}
		while(p%2!=0)
		{
			p=p/2;sum+=r/2;r=r*2;
		}
		sum-=r/4;
		if(g==1)cout<<n+r/2-sum<<endl;
		else cout<<n+r/2<<endl;
	}
	return 0;
}

• Re:为什么会WA??大虾帮忙~~~~ (42) fatkiko 2009-03-29 01:05:57