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老是WA,不知道错哪了,自己手动测试没出错,难道数据会有特殊情况,请哪位朋友进来看看我的代码

Posted by majia1 at 2005-05-25 23:28:22 on Problem 2105
#include "stdio.h"

int main()
{
	int cases;
	int i,j,k;
	int sum;
	int ip[4];
	char str[32];
	
	scanf("%d",&cases);
    for(i=1;i<=cases;i++)
	{
		scanf("%s",str);
		for(j=0;j<4;j++)
        {
			sum=0;
			for(k=j*8;k<(j+1)*8;k++)
			{
				sum=sum*2+str[k]-'0';
			}
            ip[j]=sum;
		}
        printf("%d.%d.%d.%d\n",ip[0],ip[1],ip[2],ip[3]);
	}
	return 0;
}

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