제출 #844192

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
844192		AsandeiStefan	Balloons (CEOI11_bal)	C++17	10 / 100	2045 ms	7788 KiB

bal

#include <iomanip>
#include <iostream>
#include <vector>

struct sphere {
  double x, max_r;
};

int n;
std::vector<sphere> v;
std::vector<double> dists;

int main() {
  std::cin >> n;
  v = std::vector<sphere>(n);
  dists = std::vector<double>(n);
  for (int i = 0; i < n; i++) {
    std::cin >> v[i].x >> v[i].max_r;
  }

  dists[0] = static_cast<double>(v[0].max_r);
  for (int i = 1; i < n; i++) {
    double min_r = v[i].max_r;
    for (int j = 0; j < i; j++) {
      min_r = std::min(min_r, ((v[i].x - v[j].x) * (v[i].x - v[j].x)) /
                                  (4 * v[j].max_r));
    }
    dists[i] = min_r;
  }

  for (double d : dists)
    std::cout << std::fixed << std::setprecision(3) << d << '\n';

  return 0;
}

• Subtask 1: 0 / 10
• Subtask 2: 10 / 10
• Subtask 3: 0 / 10
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• Subtask 5: 0 / 10
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• Subtask 10: 0 / 10