CSES - Putka Open 2020 – 2/5 - Results
Submission details
Task:Kortit
Sender:ArktinenKarpalo
Submission time:2020-09-25 18:11:15 +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
#define ull unsigned long long
#define ld long double
using namespace std;
int k[111], n, t;
int main() {
cin.tie(0);
cout.tie(0);
ios_base::sync_with_stdio(0);
cin >> t;
for(int g=0; g<t; g++) {
cin >> n;
for(int i=1; i<=n; i++)
k[i] = 0;
int f;
for(int i=0; i<n/2; i++) {
cin >> f;
k[f] = 1;
}
int v = n;
int ans = 0;
for(int i=0; i<n/2; i++) {
while(k[v])
v--;
int a = 0;
int b = 0;
for(int j=1; j<=n; j++) {
if(a == 0 && k[j])
a = j;
if(j > v && k[j])
b = j;
}
if(b>v)
ans++;
if(b == 0)
k[a] = 0;
else
k[b] = 0;
v--;
}
cout << ans << "\n";
}
}

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