Submission #1202687

#	Time	Username	Problem	Language	Result	Execution time	Memory
1202687		chaitanyamehta	Balloons (CEOI11_bal)	C++20	30 / 100	173 ms	11360 KiB

bal

#include<bits/stdc++.h>

using namespace std;

int main() {

    int n;
    cin >> n;

    vector<long double> x(n) , r(n) , a(n);

    for(int i = 0 ; i < n ; i++) {
        cin >> x[i] >> r[i];
    }


    vector<pair<long double ,long double>> st;

    for(int i = 0 ; i < n ; i++) {
        long double ai = r[i];

        while(!st.empty()){

            long double xj = st.back().first;
            long double aj = st.back().second;

            long double c = ((xj - x[i]) * (xj - x[i])) / (4.0 * aj);

            ai = min(ai , c);
            
            if(c >= aj) st.pop_back();
            else break;
        }

        a[i] = ai;
        
        st.push_back({x[i] , ai});
    }

    cout << fixed << setprecision(3);

    for(int i = 0 ; i < n ; i++) {
        cout << a[i] << "\n";
    }
}

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