Submission #954443

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
954443	2024-03-27 23:07:09	TAhmed33	Event Hopping (BOI22_events)	C++98	25 / 100	1576 ms	7508 KiB

events

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#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1e5 + 25;
const int B = 18;
int dp[B][MAXN];
int n, q;
pair <int, int> a[MAXN];
int jump (int a, int b) {
  for (int i = B - 1; i >= 0; i--) {
    if (b & (1 << i)) {
      a = dp[i][a];
    }
  }
  return a;
}
int main () {
  ios::sync_with_stdio(0); cin.tie(0);
  cin >> n >> q;
  for (int i = 1; i <= n; i++) {
    cin >> a[i].first >> a[i].second;
  }
  for (int i = 1; i <= n; i++) {
    dp[0][i] = i;
    for (int j = 1; j <= n; j++) {
      if (a[j].second >= a[i].first && a[j].second <= a[i].second) {
        if (a[j].first < a[dp[0][i]].first) dp[0][i] = j;
      }
    }
  }
  for (int i = 1; i < B; i++) {
 
 
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• Subtask 1: 0 / 10
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30