Submission #897366

#	Time	Username	Problem	Language	Result	Execution time	Memory
897366		box	Exhibition (JOI19_ho_t2)	C++17	100 / 100	40 ms	4828 KiB

joi2019_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