#include<iostream>
using namespace std;
#include<string.h>
int main()
{
	int n,i,p;
	char h[200][75],str[20];
	strcpy(h[0],"http://www.acm.org/");
	i=0;
	for(p=1;p<200;p++)
		strcpy(h[p],"\0");
	while(scanf("%s",str)!=EOF)
	{
		if(strcmp(str,"QUIT")==0)break;
		else if(strcmp(str,"VISIT")==0)
			{	
				scanf("%s",h[++i]);puts(h[i]);
			}
		else if(strcmp(str,"FORWARD")==0)
				{
				if(strcmp(h[i+1],"\0")==0)printf("Ignored\n");
					else puts(h[++i]);
				}
		else if(strcmp(str,"BACK")==0)
			{
				if(i!=0){puts(h[--i]);}
				else printf("Ignored\n");
			}
	}
	return 0;
}

• Re:哪位大哥帮忙看一下！WA了n次。 (710) asterix314 2007-08-28 21:54:04