Submission #729833

#	Time	Username	Problem	Language	Result	Execution time	Memory
729833		Mathandski	Balloons (CEOI11_bal)	C++14	50 / 100	2074 ms	2796 KiB

bal

#define pb push_back
#define mp make_pair
#define mt make_tuple
#define is insert
#define lll long long
#define f0r(i, begin, n) for (lll i = begin; i < n; i ++)
#define len(x) x.size()
#define vi vector<int>
#define vpi vector<pair<int, int>>
#include <bits/stdc++.h>
using namespace std;

set<string> names;
vector<pair<double, double>> hist;

double sizd (double a, double pa, double pb) {
    return ((a - pa) * (a - pa)) / (4 * pb);
}

int main() {
    lll N; cin >> N;
    f0r (i, 0, N) {
        double a, b; cin >> a >> b;
        double best = b;
        f0r (j, 0, i) {
            double pa = hist[j].first, pb = hist[j].second;
            best = min(best, sizd(a, pa, pb));
        }
        hist.pb({a, best});
        cout << fixed << setprecision(3) << best << endl;
    }
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10