蓝桥杯：队列 Queue 和 例题: CLZ 的银行

#include<bits/stdc++.h>
using namespace std;
int main(){
  queue<string> v;
  queue<string> n;
  int N;
  cin >> N;
  while(N--){
    string op,name,type;
    cin >> op;
    if(op == "IN"){
      cin >> name >> type;
      if(type == "V"){
        v.push(name);
      }else{
        n.push(name);
      }
    }else{
      cin >> type;
      if(type == "V"){
        v.pop();
      }else{
        n.pop();
      }
    }
  }
  while(v.size()){
    cout << v.front() << endl;
    v.pop();
  }
  while(n.size()){
    cout << n.front() << endl;
    n.pop();
  }
}