-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathMset.cpp
More file actions
39 lines (35 loc) · 707 Bytes
/
Copy pathMset.cpp
File metadata and controls
39 lines (35 loc) · 707 Bytes
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
#include <bits/stdc++.h>
using namespace std;
multiset<int> s;
int N, op, x;
int main()
{
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
cin >> N;
while (N--)
{
cin >> op;
if (op == 1)
{
cin >> x;
s.insert(x);
}
else if (op == 2)
{
cin >> x;
if (s.count(x) > 0)
s.erase(x);
}
else
{
if (s.empty())
cout << "-1\n";
else
cout << *s.begin() << ' ' << s.count(*s.begin()) << '\n';
}
}
return 0;
}