Files
OI-source/1.3378.cpp
2023-08-03 09:22:52 +08:00

18 lines
349 B
C++

// luogu-judger-enable-o2
#include<cstdio>
#include<queue>
using namespace std;
priority_queue<int,vector<int>,greater<int>> q;
int n,a,b;
int main()
{
scanf("%d",&n);
for(int i=1;i<=n;i++)
{
scanf("%d",&a);
if(a==1) q.push((scanf("%d",&b),b));
if(a==2) printf("%d\n",q.top());
if(a==3) q.pop();
}
}