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Submission #868004

# Submission time Handle Problem Language Result Execution time Memory
868004 2023-10-30T07:43:33 Z TAhmed33 Boarding Passes (BOI22_passes) C++
0 / 100
 1 ms 348 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long double ld;
int main () {
	int n;
	cin >> n;
	ld ans = 0;
	for (int i = 2; i < n; i++) {
		ans += min(0.5 * (i - 1), 0.5 * (n - i));
	}
	cout << fixed << setprecision(3) << ans << '\n';
}

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 1 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 1 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 -