CSES - Putka Open 2020 – 2/5 - Results
Submission details
Task:Kortit
Sender:Ender
Submission time:2020-09-25 18:27:13 +0300
Language:C++ (C++11)
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED23
#2ACCEPTED77
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2details
#2ACCEPTED0.01 s2details

Code

#include <bits/stdc++.h>
#define ll long long
using 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;
}

Test details

Test 1

Group: 1, 2

Verdict: ACCEPTED

input
1000
2
1
6
2 4 5
...

correct output
0
2
0
2
1
...

user output
0
2
0
2
1
...
Truncated

Test 2

Group: 2

Verdict: ACCEPTED

input
1000
70
56 23 58 70 2 57 27 61 47 3 42...

correct output
30
15
1
38
29
...

user output
30
15
1
38
29
...
Truncated