문제
풀이
#include <algorithm>
#include <iomanip>
#include <iostream>
using namespace std;
void solve(void) {
int a; cin >> a;
double m, n; cin >> m >> n;
double ans = min({max(m, n / a), max(m / a, n), m / a * 2, n / a * 2});
cout << fixed << setprecision(7) << ans;
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
solve();
return 0;
}