CSES - Putka Open 2020 – 2/5 - Results
Submission details
Task:Kortit
Sender:AtskaFin
Submission time:2020-09-25 19:54:27 +0300
Language:C++ (C++17)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#10.01 s1, 2details
#20.01 s2details

Code

#include <iostream>
#include <vector>
#include <algorithm>
#include <set>
using namespace std;
int n, half;
vector<int> a;
vector<int> answers;
int t;
int main() {
cin >> t;
for (int i = 0; i < t; i++) {
cin >> n;
half = n/2;
a.clear();
a.resize(half);
for (int i = 0; i < half; i++) cin >> a[i];
sort(a.begin(), a.end());
int m = 0;
int ia = 0;
int points = 0;
for (int i = 1; i <= n; i++) {
if (a[ia] != i) {
m++;
} else {
ia++;
if (m > 0) {
m--;
points++;
}
}
}
answers.push_back(points);
}
for (auto i : answers) {
cout << i << "\n";
}
}

Test details

Test 1

Group: 1, 2

Verdict:

input
1000
2
1
6
2 4 5
...

correct output
0
2
0
2
1
...

user output
0
2
0
2
2
...
Truncated

Test 2

Group: 2

Verdict:

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