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完全wa的没道理 手机交题不容易啊 浪费1个多小时宝贵的时间完全wa的没有道理 第一个程序 #include <iostream> #include <string> using namespace std; int main() { int point=0; string url[150]; url[0]="http://www.acm.org/"; string str; for(int i=1;i<150;i++) url[i]=""; while(cin>>str) { string strTemp; if(str=="QUIT") break; if(str=="VISIT") { cin>>strTemp; point++; url[point]=strTemp; cout<<url[point]<<endl; } else if(str=="BACK") { if(point-1<0) cout<<"Ignored"<<endl; else { point--; cout<<url[point]<<endl; } } else if(str=="FORWARD") { if(url[point+1]=="") cout<<"Ignored"<<endl; else { point++; cout<<url[point]<<endl; } } } return 0; } 告诉我wa 第二个程序加了个标志位count就ac...当时我就爆走了。。。 #include <iostream> #include <string> using namespace std; int main() { int point=0; int count=0; string url[150]; url[0]="http://www.acm.org/"; string str; while(cin>>str) { string strTemp; if(str=="QUIT") break; if(str=="VISIT") { cin>>strTemp; point++; count=point; url[point]=strTemp; cout<<url[point]<<endl; } else if(str=="BACK") { if(point-1<0) cout<<"Ignored"<<endl; else { point--; cout<<url[point]<<endl; } } else if(str=="FORWARD") { if(point+1>count) cout<<"Ignored"<<endl; else { point++; cout<<url[point]<<endl; } } } return 0; } Followed by:
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