Submission #948738

#	Time	Username	Problem	Language	Result	Execution time	Memory
948738		ifateen	Boarding Passes (BOI22_passes)	C++17	5 / 100	2 ms	604 KiB

passes

#include <bits/stdc++.h>
using namespace std;
#define int long long

signed main() {
    string s;
    cin >> s;
    long double n = s.length();
    long double a = floor(n / 2), b = ceil(n / 2);
    cout << fixed << setprecision(8) << (a * (a - 1) + b * (b - 1)) / 4.0;
}

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