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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; } Followed by:
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