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Submission #1099053

# Submission time Handle Problem Language Result Execution time Memory
1099053 2024-10-10T12:51:40 Z NDT134 Boarding Passes (BOI22_passes) C++14
0 / 100
 0 ms 348 KB 
#include<iostream>

using namespace std;

int main() {
  int n; cin >> n;
  string s; cin >> s;
  double r = 0;
  double x = n / 2;
  r += x * (x - 1);
  x = (n + 1)/2;
  r += x * (x - 1);
  r *= 0.25;
  cout << r << endl;
}

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 -