Submission #953562

#	Time	Username	Problem	Language	Result	Execution time	Memory
953562		nhatcao	Event Hopping (BOI22_events)	C++17	0 / 100	1554 ms	3604 KiB

events

#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

int main() {
  int n;
  cin >> n;

  vector<int> start_time(n), end_time(n);
  for (int i = 0; i < n; i++) {
    cin >> start_time[i] >> end_time[i];
  }

  sort(start_time.begin(), start_time.end());

  vector<int> dp(n + 1);
  dp[0] = 0;
  for (int i = 1; i <= n; i++) {
    for (int j = 0; j < i; j++) {
      if (end_time[j] < start_time[i]) {
        dp[i] = max(dp[i], dp[j] + 1);
      }
    }
  }

  cout << dp[n] << endl;

  return 0;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30