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那位哥哥帮忙看看啊~~~~~~~~~~~~~WA得我疯了!!!!谢谢拉#include <iostream>
#include <string>
using namespace std;
string dataf[101],datab[101];
int forward,back;
int main()
{
string order,now;
cin>>order;
back=0;forward=0;
now="http://www.acm.org/";
while (order!="QUIT")
{
//VISIT
if (order=="VISIT")
{
back++;
datab[back]=now;
forward=0;
cin>>now;
cout<<now<<endl;
}
//BACK
if (order=="BACK")
if (0==back)
cout<<"Ignored"<<endl;
else {
forward++;
dataf[forward]=now;
now=datab[back];
back--;
cout<<now<<endl;
}
//FORWARD
if (order=="FORWARD")
if (0==forward)
cout<<"Igored"<<endl;
else {
back++;
datab[back]=now;
now=dataf[forward];
forward--;
cout<<now<<endl;
}
cin>>order;
}
return 0;
}
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