#include <bits/stdc++.h>
using namespace std;
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0),cout.tie(0);
#define ll long long
    vector<int> a;
    int m;
    cin >> m;
    int op = 0;
    while (m--)
    {
        cin >> op;
        if (op == 1)
        {
            int temp;
            cin >> temp;
            a.push_back(temp);
        }
        if (op == 2)
        {
            sort(a.begin(), a.end());
            cout << a.at(0) << '\n';
        }
        if (op == 3)
        {
            sort(a.begin(), a.end());
            a.erase(a.begin());
        }
    }

    return 0;
}

这道题用vector能过么...