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Submission #484255

# Submission time Handle Problem Language Result Execution time Memory
484255 2021-11-02T17:52:57 Z Olympia Balloons (CEOI11_bal) C++17
50 / 100
 2000 ms 4240 KB 
#include <vector>
#include <iostream>
#include <cassert>
#include <cmath>
#include <set>
#include <map>
#include <stack>
#include <set>
#include <iomanip>
#define ll long long
using namespace std;
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n;
    cin >> n;
    vector<double> x(n), r(n);
    for (int i = 0; i < n; i++) {
        cin >> x[i] >> r[i];
    }
    vector<int> indices = {0};
    for (int i = 1; i < n; i++) {
        vector<int> new_indices;
        int myMax = 0;
        for (int ind: indices) {
            int j = -ind;
            double val = ((x[i] - x[j]) * (x[i] - x[j])) / (4.0 * r[j]);
            if (r[j] >= myMax) {
                new_indices.push_back(-j);
            } else {
                break;
            }
            r[i] = min(r[i], val);
        }
        new_indices.push_back(-i);
        indices = new_indices;
    }
    for (double d: r) {
        cout << setprecision(30) << d << "\n";
    }
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB 10 numbers

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB 2 numbers

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB 505 numbers

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 424 KB 2000 numbers

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 850 ms 1680 KB 20000 numbers

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2053 ms 1880 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2080 ms 2492 KB Time limit exceeded

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2078 ms 2788 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2081 ms 3412 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2086 ms 4240 KB Time limit exceeded
2 Halted 0 ms 0 KB -