Submission #170817

#	Time	Username	Problem	Language	Result	Execution time	Memory
170817		WLZ	Exhibition (JOI19_ho_t2)	C++14	100 / 100	68 ms	4632 KiB

joi2019_ho_t2

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

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, m;
  cin >> n >> m;
  vector< pair<int, int> > a(n);
  for (int i = 0; i < n; i++) {
    cin >> a[i].second >> a[i].first;
  }
  sort(a.rbegin(), a.rend());
  vector<int> c(m);
  for (int i = 0; i < m; i++) {
    cin >> c[i];
  }
  sort(c.rbegin(), c.rend());
  int j = 0;
  for (int i = 0; i < m; i++) {
    while (j < n) {
      if (a[j].second <= c[i]) {
        break;
      }
      j++;
    }
    if (j >= n) {
      cout << i << '\n';
      return 0;
    }
    j++;
  }
  cout << m << '\n';
  return 0; 
}

• Subtask 1: 10 / 10
• Subtask 2: 40 / 40
• Subtask 3: 50 / 50