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Re:秒过的水题,成就我的50之梦,嘻嘻In Reply To:秒过的水题,成就我的50之梦,嘻嘻 Posted by:zjc0823 at 2010-04-14 11:32:21 #include<iostream>
#include<string.h>
using namespace std;
int main()
{
char a[40];
scanf("%s",a);
while(strcmp(a,"0")!=0){
int n=strlen(a),x=0;
for(int i=0;i<n;i++){
int zz=1;
for(int j=0;j<=i;j++) zz*=2;
x+=(a[strlen(a)-i-1]-'0')*(zz-1);
}
printf("%d\n",x);
scanf("%s",a);
}
return 0;
}
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