제출 #680241

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
680241		peijar	Balloons (CEOI11_bal)	C++17	50 / 100	2082 ms	6116 KiB

bal

#include <bits/stdc++.h>
#define int long long
using namespace std;

namespace std {
template <typename T> ostream &operator<<(ostream &out, const vector<T> &vec) {
  out << "[";
  for (int i = 0; i < (int)vec.size(); ++i) {
    out << vec[i];
    if (i + 1 < (int)vec.size())
      out << ", ";
  }
  return out << "]";
}
} // namespace std

void dbg_out() { cout << endl; }
template <typename Head, typename... Tail> void dbg_out(Head H, Tail... T) {
  cout << ' ' << H;
  dbg_out(T...);
}

#ifdef DEBUG
#define dbg(...) cout << "(" << #__VA_ARGS__ << "):", dbg_out(__VA_ARGS__)
#else
#define dbg(...)
#endif

double sq(int x) { return x * x; }

signed main(void) {
  ios_base::sync_with_stdio(false);
  cin.tie(0);

  int N;
  cin >> N;
  vector<int> x(N);
  vector<double> r(N);
  for (int i = 0; i < N; ++i) {
    cin >> x[i] >> r[i];
  }
  for (int i = 1; i < N; ++i) {
    for (int j = 0; j < i; ++j)
      r[i] = min(r[i], sq(x[i] - x[j]) / (4 * r[j]));
  }
  for (int i = 0; i < N; ++i) {
    cout << setprecision(15) << fixed << r[i] << '\n';
  }
}

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