UVA575 Skew Binary

大水题。。。。

#include<stdio.h>#include<string.h>#include<stdlib.h>#include<algorithm>#include<math.h>using namespace std;int main(){int arr[40];char s[40];while (gets(s)){if (strcmp(s, "0") == 0)break;int l = strlen(s), sum = 0;for(int i = 0; i < l; i++)arr[i] = s[i] - '0';int k = l;for(int i = 0; i < l; i++)sum += arr[i] * (pow(2, k--) - 1);printf("%d\n", sum);}return 0;}