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下面是我的代码,为啥会Output Limit Exceeded?!望神牛指点迷津!

Posted by 10092130150 at 2011-08-12 17:19:56 on Problem 2250
#include<stdio.h>
#include<string.h>
int main(){
	char a[100][30],b[100][30];
	int com[100][100],sign[100][100],flag[100];
	int n,na,nb,i,j;
	while(1){
		for(i=0;i<100;i++) flag[i]=0;
		na=nb=0;
		while(scanf("%s",a[na])&&a[na][0]!='#') na++;
		while(scanf("%s",b[nb])&&b[nb][0]!='#') nb++;
		for(i=0;i<=na;i++) com[i][0]=sign[i][0]=0;
		for(j=0;j<=nb;j++) com[0][j]=sign[0][j]=0;
		for(i=1;i<=na;i++)
			for(j=1;j<=nb;j++)
				if(strcmp(a[i-1],b[j-1])==0) { com[i][j]=com[i-1][j-1]+1;sign[i][j]=0;}
				else if(com[i-1][j]>com[i][j-1]) { com[i][j]=com[i-1][j];sign[i][j]=1;}
				else { com[i][j]=com[i][j-1];sign[i][j]=-1;}
		n=com[na][nb];
		for(i=na,j=nb;i&&j;)
			if(!sign[i][j]) { flag[i-1]=1;i--;j--;}
			else if(sign[i][j]==1) i--;
			else j--;
		for(i=0;n>1;i++)
			if(flag[i]){
				printf("%s ",a[i]);
				n--;
			}
		for(;;i++)
			if(flag[i]){
				printf("%s\n",a[i]);
				break;
			}
	}
	return 0;
}

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