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Re:测试都过了,但是wa!!!!

Posted by zyfans at 2007-08-06 10:20:52 on Problem 1565
In Reply To:测试都过了,但是wa!!!! Posted by:kuangwenkui at 2007-06-16 19:40:11
> #include<stdio.h>
> #include<string.h>
> #include<math.h>
> main()
> {char a[100];
> int i,j,len;
> long sum;
>    for(i=0;strcmp(a,"0")!=0;i++)
>      { scanf("%s",a);
>       sum=0;
>       len=strlen(a);
>       for(j=0;j<len;j++)
> 	 {sum=sum+(a[j]-'0')*(pow(2,len-j)-1);
> 	 }
>       printf("%ld",sum);
>      }
> }

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