#include<iostream>
#include<string>
#include<math.h>
using namespace std;
long long arr[33];
int main()
{
	ifstream cin("test.txt");
	int j;
	for(j=0;j<32;j++)
	{
		arr[j] = pow(2.0,j+1.0) - 1;
	}
	string str;
	int len,i;
	long long sum;
	while(cin>>str && (str != "0"))
	{
		len = str.length();   sum = 0;
		for(i=0;i<len;i++)
		{
			sum += (str[i] - '0')*arr[len-i-1];
		}
		cout<<sum<<endl;
	}
	return 0;
}

• Re:贴一下，留念超越 (491) chenanzhi 2010-10-23 23:48:45
  • Re:贴一下，留念超越 (453) 731371663 2011-01-14 00:31:18