rt,进入优先队列再出队太慢了,有人知道如何优化吗
id:7782
#include<bits/stdc++.h>
using namespace std;
const int N=1e6+100;
queue<int> q;
int t;
void _1(){
int x;
cin>>x;
q.push(x);
}
void _2(){
cout<<q.front()<<endl;
q.pop();
}
void _3(){
priority_queue<int,vector<int>,greater<int> > pq;
while(!q.empty()){
pq.push(q.front());
q.pop();
}
while(!pq.empty()){
q.push(pq.top());
pq.pop();
}
}
void solve(){
int idx;
cin>>idx;
if(idx==1) _1();
else if(idx==2) _2();
else _3();
}
signed main(){
ios::sync_with_stdio(0);
cin.tie(0),cout.tie(0);
cin>>t;
while(t--){
solve();
}
return 0;
}