Submission #1362585

#	Time	Username	Problem	Language	Result	Execution time	Memory
1362585		Aisha	Boarding Passes (BOI22_passes)	C++20	0 / 100	0 ms	344 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(); 
    int m = (n - 1) / 2;
    cout << fixed << setprecision(2) << m * m / 2.0l << endl;
   
    return 0;
}

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