Submission #580010

#	Time	Username	Problem	Language	Result	Execution time	Memory
580010		Josia	Boarding Passes (BOI22_passes)	C++17	0 / 100	1 ms	212 KiB

passes

#include <bits/stdc++.h>

using namespace std;

#define int int64_t

signed main() {
    cin.tie(0);
    ios_base::sync_with_stdio(0);

    string s; cin >> s;

    int n = s.size();

    vector<vector<int>> groups(15);

    for (int i = 0; i<n; i++) {
        groups[s[i]-'A'].push_back(i);
    }

    double n1 = int(n/2);
    double n2 = int((n+1)/2);

    cout << ((n1-1.0)*n1)/4.0 + ((n2-1.0)*n2)/4.0 << "\n";

    return 0;
}

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