Submission #1093359

#	Time	Username	Problem	Language	Result	Execution time	Memory
1093359		ortsac	Exhibition (JOI19_ho_t2)	C++17	100 / 100	89 ms	4688 KiB

joi2019_ho_t2

#include <bits/stdc++.h>

using namespace std;

#define pii pair<int, int>
#define fr first
#define se second

int32_t main() {
    //freopen("in", "r", stdin);
    int n, m;
    cin >> n >> m;
    vector<pii> p(n);
    vector<int> c(m);
    for (int i = 0; i < n; i++) {
        cin >> p[i].se >> p[i].fr;
    }
    for (int i = 0; i < m; i++) {
        cin >> c[i];
    }
    sort(p.begin(), p.end());
    sort(c.begin(), c.end());
    int ans = 0;
    for (int i = m - 1; i >= 0; i--) {
        while (!p.empty() && (p.back().se > c[i])) p.pop_back();
        if (p.empty()) break;
        ans++;
        p.pop_back();
    }
    cout << ans << "\n";
}

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