Submission #1186764

#	Time	Username	Problem	Language	Result	Execution time	Memory
1186764		North1304	Balloons (CEOI11_bal)	C++20	50 / 100	2095 ms	2896 KiB

bal

#include <bits/stdc++.h>
using namespace std;
vector<pair<long long, long double>> vec;
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);
    int n;
    cin >> n;
    for (int i=1;i<=n;i++) {
        long long x,r;
        cin >> x >> r;
        long double ans = r;
        for (auto [xx,rr]:vec) {
            long double now = (x - xx) * (x - xx);
            now /= 4.00 * rr;
            ans = min(ans, now);
        }
        vec.push_back({x, ans});
        cout << fixed << setprecision(3) << ans << '\n';
    }
    return 0;
}

• 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