Task: | Kortit |
Sender: | Ender |
Submission time: | 2020-09-25 18:27:13 +0300 |
Language: | C++ (C++11) |
Status: | READY |
Result: | 100 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 23 |
#2 | ACCEPTED | 77 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | ACCEPTED | 0.01 s | 1, 2 | details |
#2 | ACCEPTED | 0.01 s | 2 | details |
Code
#include <bits/stdc++.h>#define ll long longusing namespace std;int main(){ios_base::sync_with_stdio(false);cin.tie(NULL);int t; cin >> t;while(t--){int n; cin >> n;vector<int> k(n+1);for(int i = 0; i<(n/2); i++){int a; cin >> a; k[a]=1;}int ans = 0;priority_queue<int> q;q.push(-1e9);for(int i = 1; i<=n; i++){if(!k[i]){q.push(-i);}else if(i>(-q.top())){q.pop();ans++;}}cout << ans << "\n";}return 0;}