Submission #1362614

#	Time	Username	Problem	Language	Result	Execution time	Memory
1362614		Aisha	Boarding Passes (BOI22_passes)	C++20	5 / 100	1 ms	580 KiB

passes

#include <bits/stdc++.h>

using namespace std;

#define int long long

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    string s; cin >> s; 
    int n = s.size(); 
    long double ans = 0.0l;
    int m = n / 2;
    if (n % 2) ans = m * m / 2.0l;
    else ans = m * (m - 1) / 2.0l;
    cout << fixed << setprecision(5) << ans;
   
    return 0;
}

• Subtask 1: 5 / 5
• Subtask 2: 0 / 25
• Subtask 3: 0 / 30
• Subtask 4: 0 / 40