Application of Toj 1196 stack (simulated browser)

Two stacks to simulate the operation of the browser, a simple simulation.

1#include <iostream>2#include <string>3#include <stack>4 using namespacestd;5 6stack<string>forward;7stack<string>Back ;8 9 intMain ()Ten { One     stringCur"http://www.acm.org/"), TMP; A      while(Cin >>tmp) -     { -         if(TMP = ="QUIT" ) the         { -              Break; -         } -         Else if(TMP = =" Back" ) +         { -             if(Back.empty ()) +             { Acout <<"ignored"<<Endl; at             } -             Else -             { - Forward.push (cur); -Cur =back.top (); - Back.pop (); incout << cur <<Endl; -             } to         } +         Else if(TMP = ="FORWARD" ) -         { the             if(Forward.empty ()) *             { $cout <<"ignored"<<Endl;Panax Notoginseng             } -             Else the             { + Back.push (cur); ACur =forward.top (); the Forward.pop (); +cout << cur <<Endl; -             } $         } $         Else if(TMP = ="VISIT" ) -         { - Back.push (cur); theCIN >>cur; -              while( !forward.empty ())Wuyi             { the Forward.pop (); -             } Wucout << cur <<Endl; -         } About     } $     return 0; -}

Application of Toj 1196 stack (simulated browser)