> #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 (453) 731371663 2011-01-14 00:31:18