Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 11427 Accepted Submission(s): 5750
//hdu1702 #include<iostream> #include<stdio.h> #include<queue> #include<string.h> #include<stack> using namespace std; int main() { int n,m,k; char s[5],ss[5]; cin>>n; while(n--) { cin>>m; cin>>s; if(s[2]==‘F‘)//队列 { queue<int>mm; for(int i=0;i<m;i++) { cin>>ss; if(ss[0]==‘I‘) { cin>>k; mm.push(k); } else { if(mm.empty()) cout<<"None"<<endl; else { cout<<mm.front()<<endl; mm.pop(); } } } } else//栈 { stack<int>mmm; for(int i=0;i<m;i++) { cin>>ss; if(ss[0]==‘I‘) { cin>>k; mmm.push(k); } else { if(mmm.empty()) cout<<"None"<<endl; else { cout<<mmm.top()<<endl; mmm.pop(); } } } } } return 0; }
hdu1702 ACboy needs your help again!
原文:https://www.cnblogs.com/-citywall123/p/9500755.html