Submission #206962

#	Time	Username	Problem	Language	Result	Execution time	Memory
206962		joylintp	Exhibition (JOI19_ho_t2)	C++17	100 / 100	86 ms	4600 KiB

joi2019_ho_t2

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

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int n, m;
    cin >> n >> m;
    vector<pair<int, int>> p(n);
    vector<int> f(m);
    for (int i = 0; i < n; i++)
        cin >> p[i].second >> p[i].first;
    for (int i = 0; i < m; i++)
        cin >> f[i];
    sort(p.begin(), p.end()), sort(f.begin(), f.end());

    int fn = m - 1, ans = 0;
    for (int i = n - 1; i >= 0; i--)
        if (f[fn] >= p[i].second)
            fn--, ans++;
    cout << ans << '\n';

    return 0;
}

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