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测试数据是对的!为什么会WA?写的很简洁

Posted by 839031460 at 2011-07-31 15:58:14 on Problem 1007
#include<stdio.h>
#include<stdlib.h>
int main()
{
	char s[51][101];
	int num[51][101];
	int flag[51];
	int i,j,k,m,n;int min;
	scanf("%d%d",&m,&n);
	getchar();
	for(i=0;i<n;i++){
			scanf("%s",&s[i]);
		getchar();
		for(j=0;j<m;j++){
			num[i][j]=0;
			for(k=j+1;k<m;k++)
 				if(s[i][j]>s[i][k])++num[i][j];
		}
	}	
	for(i=0;i<n;i++)
		for(j=1;j<m;j++)
			num[i][0]+=num[i][j];//讲逆序数累加到num首位

/*	for(i=0;i<n;i++){//打印计算的num数组
		for(j=0;j<m;j++){
			printf("%d ",num[i][j]);
		}
		printf("\n");
	}
*/
	for(i=0;i<n;i++)
		flag[i]=1;
	for(i=0;i<n;i++)
	{
		min=200;
		for(j=0;j<n;j++){
			if(num[j][0]<min&&flag[j])
			{
			min=num[j][0];
			k=j;
			}			
		}
		flag[k]=0;
		printf("%s\n",s[k]);
	}
	return 0;
}


	


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