-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathB.cpp
More file actions
40 lines (33 loc) · 629 Bytes
/
B.cpp
File metadata and controls
40 lines (33 loc) · 629 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
40
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
void solve()
{
int n, q;
cin >> n >> q;
vector<ll> cards(n + 1, 0);
for (int i = 0; i < q; i++) {
int t, x;
cin >> t >> x;
if (t == 1) cards[x]++;
else if (t == 2) cards[x] += 2;
else {
if (cards[x] >= 2) cout << "Yes\n";
else cout << "No\n";
}
}
}
int main()
{
#ifndef ONLINE_JUDGE
//freopen("input.txt", "r", stdin);
//freopen("output.txt", "w", stdout);
//freopen("Error.txt", "w", stderr);
#endif
ios_base::sync_with_stdio(false);
cin.tie(NULL), cout.tie(NULL);
int t = 1;
// cin >> t;
while (t--) solve();
return 0;
}