Submission #895809

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
895809	2023-12-30 21:39:08	MilosMilutinovic	Circle selection (APIO18_circle_selection)	C++14	7 / 100	3093 ms	31256 KiB

circle_selection

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#include <bits/stdc++.h>
using namespace std;
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n;
  cin >> n;
  vector<long long> x(n), y(n), r(n);
  for (int i = 0; i < n; i++) {
    cin >> x[i] >> y[i] >> r[i];
  }
  vector<int> order(n);
  iota(order.begin(), order.end(), 0);
  sort(order.begin(), order.end(), [&](int i, int j) {
    if (r[i] != r[j]) {
      return r[i] > r[j];
    } else {
      return i < j;
    }
  });
  auto Good = [&](int i, int j) {
    return (x[i] - x[j]) * (x[i] - x[j]) + (y[i] - y[j]) * (y[i] - y[j]) <= (r[i] + r[j]) * (r[i] + r[j]);
  };
  vector<int> res(n);
  iota(res.begin(), res.end(), 0);
  for (int pw = 30; pw >= 0; pw--) {
    int k = (1 << pw);
    vector<tuple<long long, long long, int>> v;
 
 
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• Subtask 1: 7 / 7
• Subtask 2: 0 / 12
• Subtask 3: 0 / 15
• Subtask 4: 0 / 23
• Subtask 5: 0 / 30
• Subtask 6: 0 / 13