oj.uz

Submission #875293

# Submission time Handle Problem Language Result Execution time Memory
875293 2023-11-19T02:21:14 Z 12345678 Boarding Passes (BOI22_passes) C++17
0 / 100
 0 ms 348 KB 
#include <bits/stdc++.h>

using namespace std;

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    int n;
    cin>>n;
    int k=n/2;
    double res=((double)(k-1)*k)/2;
    //cout<<res<<'\n';
    if (n%2==0) cout<<res;
    else cout<<res+((double)((n+1)/2-1))/2;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB 1st numbers differ - expected: '100800.5000000000', found: '-0.0000000000', error = '1.0000000000'
2 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB 1st numbers differ - expected: '1.0000000000', found: '-0.0000000000', error = '1.0000000000'
2 Halted 0 ms 0 KB -

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB 1st numbers differ - expected: '1.0000000000', found: '-0.0000000000', error = '1.0000000000'
2 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB 1st numbers differ - expected: '100800.5000000000', found: '-0.0000000000', error = '1.0000000000'
2 Halted 0 ms 0 KB -