Submission #1314303

#	Time	Username	Problem	Language	Result	Execution time	Memory
1314303		kingboy	Balloons (CEOI11_bal)	C++20	0 / 100	96 ms	2468 KiB

bal

#include <iostream>
#include <vector>
#include <stack>

using namespace std;
int foundRadius(int x1, int x2, int r1) {
    return (x1-x2) * (x1-x2) / (4*r1);
}
int main() {
    int n;
    cin >> n;
    vector<pair<int, int>> vec;
    stack<pair<int, int>> st;
    for (int x=0;x<n;x++) {
        int xpos, r;
        cin >> xpos >> r;
        vec.push_back({xpos, r});
    }
    for (int x=0;x<n;x++) {
        int r = vec[x].second;
        while (!st.empty()) {
            r = foundRadius(vec[x].first, st.top().first, st.top().second);
            if (r >= st.top().second) {
                st.pop();
            }
            else {
                break;
            }
        }
        cout << r << endl;
        st.push({vec[x].first, r});
    }
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 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