Submission #1121507

#	Time	Username	Problem	Language	Result	Execution time	Memory
1121507		vjudge1	Boarding Passes (BOI22_passes)	C++17	0 / 100	1 ms	336 KiB

passes

#include <bits/stdc++.h>
using namespace std;
int n, g;
string s;
int main() {
    cin >> s;
    for(int i = 0; i < s.size(); i++) {
        g = max(s[i] - 'A', g);
    }
    long long n = s.size();
    if(g == 0) {
        double ans = 1e18;
        for(int i = 0; i <= n; i++) {
            ans = min(ans, i * (i-1.0)/4 + (n-i) * (n-i-1.0)/4);
        }
        cout << ans << "\n";
        return 0;
    }
    cout << 1 << "\n";
}

Compilation message (stderr)

passes.cpp: In function 'int main()':
passes.cpp:7:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |     for(int i = 0; i < s.size(); i++) {
      |                    ~~^~~~~~~~~~

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