제출 #1236395

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1236395		kevinle0801	Balloons (CEOI11_bal)	C++20	10 / 100	120 ms	2020 KiB

bal

#include <bits/stdc++.h>
#define int long long
#define endl "\n"
#define name "TEST"
using namespace std;

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
//    freopen(name".INP", "r", stdin);
//    freopen(name".OUT", "w", stdout);

    int n; cin >> n;
    stack<pair<int, int>> st;
    for (int i = 0; i < n; i++){
        double x, r;
        cin >> x >> r;
        while (!st.empty()){
            pair<int, int> j = st.top();
            double dis = abs(x - j.first);
            double res = min(r, dis * dis / (j.second * 4));
            r = res;
            if (r >= j.second) st.pop();
            else break;
        }
        st.push({x, r});
        cout << setprecision(3) << fixed << r << endl;
    }

    return 0;
}

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• Subtask 2: 10 / 10
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• Subtask 10: 0 / 10