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SOS:谁能帮我看一下哪出错了?(最好能给出检测数据)

Posted by sidy at 2007-03-18 12:18:04 on Problem 2414
#include<stdio.h>
char a[1025][1005],result[1005];
int b[26];
char c[1025];
int main(){
	int n,l,i,j,k,count,temp,temp2;
	while(scanf("%d%d",&n,&l) && n!=0){		
		for(i=0; i<n; i++){
			scanf("%s",&a[i]);
		}
		for(i=0; i<1005; i++)result[i]=' ';
		count=0;
		for(i=0; i<l; i++){
			for(j=0; j<26; j++)b[j]=0;
			for(j=0; j<n; j++)b[a[j][i]-'A']++;
			temp=0; temp2=0;
			for(j=0; j<26; j++){
				if(temp<=b[j]){
					temp=b[j];
					temp2=j;
				}
			}
			result[i]='A'+temp2;
			printf("%c",result[i]);
			count=count+n-temp;
		}
		for(i=0; i<l; i++){
			for(j=0; j<n; j++){
				c[j+1]=a[j][i];
			}
			for(j=1; j<=n; j*=2){
				for(k=j; k<=n; k=k+2*j){
					if(c[k]==c[k+j] && c[k]!=result[i]){c[k+j]=c[k]; count--; }
					else c[k+j]=result[i];
				}
			}
		}
		printf(" %d\n",count);
	}
	return 0;
}

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