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那位高手帮帮我,我总是wrong answer

Posted by bad_apple at 2006-04-27 22:50:10 on Problem 1007
#include <stdio.h>

#include <string.h>

#define MAX1 20
#define MAX2 100

int main()
{
	int n,m,i,j,k,t,flag[MAX1][2];
	char str[MAX1][MAX2];
	memset(str,0,sizeof(str));
	memset(flag,0,sizeof(flag));
	scanf("%d%d",&m,&n);
	for(i=0;i<n;i++)
		flag[i][0]=i;
	for(i=0;i<n;i++)
	{
		getchar();
		for(j=0;j<m;j++)
			scanf("%c",&str[i][j]);
	}
	for(i=0;i<n;i++)
	{
		for(j=0;j<m;j++)
		{
			if(str[i][j]=='T')
				flag[i][1]+=m-j-1;
			else if(str[i][j]=='A');
			else
			{
				for(k=j+1;k<m;k++)
					if(str[i][j]>str[i][k])
						flag[i][1]++;
			}
		}
	}
	for(i=0;i<n;i++)
		for(j=0;j<n-i-1;j++)
			if(flag[j][1]>flag[j+1][1])
			{
				t=flag[j+1][1];
				flag[j+1][1]=flag[j][1];
				flag[j][1]=t;
				t=flag[j+1][0];
				flag[j+1][0]=flag[j][0];
				flag[j][0]=t;
			}
	for(i=0;i<n;i++)
	{
		for(j=0;j<m;j++)
			printf("%c",str[flag[i][0]][j]);
		printf("\n");
	}
	return 0;
}

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