CSES - Datatähti 2021 loppu - Results
Submission details
Task:Järjestäminen
Sender:Anttono
Submission time:2021-01-23 19:46:44 +0200
Language:C++ (C++11)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#10.01 s1, 2details
#20.02 s2details
#30.01 s1, 2details
#40.01 s1, 2details

Code

#include <bits/stdc++.h>

using namespace std;

int t;

int main()
{
    cin>>t;
    int n;
    vector<int> v;
    for(int i=0;i<t;i++)
    {
        cin>>n;
        v.resize(n);
        for(int i=0;i<n;i++)
        {
            cin>>v[i];
        }

        int cmax = 0;
        int r = 0;
        for(int i=0;i<n;i++)
        {
            if(v[i]>cmax) cmax = v[i];
            else r++;
        }

        if(r%2==0) cout<<"YES\n";
        else cout<<"NO\n";
    }
}

Test details

Test 1

Group: 1, 2

Verdict:

input
153
1
1
2
1 2
...

correct output
YES
YES
NO
NO
NO
...

user output
YES
YES
NO
NO
YES
...
Truncated

Test 2

Group: 2

Verdict:

input
1000
59
35 29 32 50 11 15 9 21 19 45 2...

correct output
YES
NO
YES
NO
YES
...

user output
NO
NO
YES
NO
YES
...
Truncated

Test 3

Group: 1, 2

Verdict:

input
720
6
1 6 4 5 2 3
6
6 3 2 1 5 4
...

correct output
YES
NO
NO
NO
YES
...

user output
YES
NO
YES
YES
NO
...
Truncated

Test 4

Group: 1, 2

Verdict:

input
1000
8
7 4 2 8 6 3 5 1
8
3 8 2 7 5 4 6 1
...

correct output
NO
NO
YES
NO
YES
...

user output
YES
YES
YES
YES
YES
...
Truncated