Submission #689979

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
689979	2023-01-30 00:32:50	bdl	Event Hopping (BOI22_events)	C++17	100 / 100	140 ms	16840 KiB

events

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#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include <array>
#include <algorithm>
#include <iostream>
using namespace std;
const int N = 1e5, N_ = 1 << 18, L = 17;
int main() {
  ios::sync_with_stdio(0), cin.tie(0);
  int n, q;
  cin >> n >> q;
  static int l[N], r[N], c[N * 2];
  for (int i = 0; i < n; i++) {
    cin >> l[i] >> r[i];
    c[i << 1 | 0] = l[i], c[i << 1 | 1] = r[i];
  }
  sort(c, c + n * 2);
  int m = unique(c, c + n * 2) - c;
  static array<int, 2> t[N_ * 2];
  int n_;
  n_ = 1;
  while (n_ < m)
    n_ <<= 1;
  for (int i = 1; i < n_ * 2; i++)
    t[i] = {N_, -1};
  for (int i = 0; i < n; i++) {
    l[i] = lower_bound(c, c + m, l[i]) - c;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 15 / 15
• Subtask 5: 20 / 20
• Subtask 6: 30 / 30