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说明你的字符串有问题

Posted by hawk at 2004-05-08 15:39:02 on Problem 1007
In Reply To:为什么不能用字符串输出? Posted by:windbells at 2004-05-08 12:55:29
c里面是用\0来表示字符串结束的,你看看是否正确
> #include<stdio.h>
> int main()
> {
> 	int m,n,i,j,k,sum[100];
> 	char arry[100][50];
> 	scanf("%d %d",&n,&m);
> 	for(i=0;i<m;i++)
> 		scanf("%s",arry[i]);
> 	for(i=0;i<m;i++)
> 	{
> 		sum[i]=0;
> 		for(j=0;j<n-1;j++)
> 			for(k=j+1;k<n;k++)
> 				if(arry[i][j]>arry[i][k])
> 					sum[i]++;
> 	}
> 	for(i=0;i<m;i++)
> 	{
> 		int temp=10000;
> 		int tempsig=0;
> 		for(j=0;j<m;j++)
> 			if(sum[j]<temp)
> 			{
> 				temp=sum[j];
> 				tempsig=j;
> 			}
> 		sum[tempsig]=10001;
> 		printf("%s\n",arry[tempsig]);
> 	}
> }
> 
> 这样输出字符串wrong answer
> 如果输出改为
> for(i=0;i<m;i++)
> 	{
> 		int temp=10000;
> 		int tempsig=0;
> 		for(j=0;j<m;j++)
> 			if(sum[j]<temp)
> 			{
> 				temp=sum[j];
> 				tempsig=j;
> 			}
> 		sum[tempsig]=10001;
> 		for(j=0;j<n;j++)
> 			printf("%c",arry[tempsig][j]);
> 		printf("\n");
> 	}
> 就对了
> 
> why???

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