제출 #654670

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
654670		lunchbox1	Exhibition (JOI19_ho_t2)	C++17	100 / 100	56 ms	4412 KiB

joi2019_ho_t2

/*
 Exhibition
 https://oj.uz/problem/view/JOI19_ho_t2
*/
#include <bits/stdc++.h>
using namespace std;

int main() {
 ios::sync_with_stdio(0), cin.tie(0);
 int n, m;
 cin >> n >> m;
 vector<pair<int, int>> a(n);
 for (auto &[v, s] : a) cin >> s >> v;
 vector<int> c(m);
 for (int& x : c) cin >> x;
 sort(a.rbegin(), a.rend()), sort(c.rbegin(), c.rend());
 int ans = 0, i = 0;
 for (int x : c) {
  while (i < n && a[i].second > x) i++;
  if (i < n) ans++, i++;
 }
 cout << ans << '\n';
 return 0;
}

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