Submission #591287

#	Time	Username	Problem	Language	Result	Execution time	Memory
591287		piOOE	Exhibition (JOI19_ho_t2)	C++17	100 / 100	48 ms	4408 KiB

joi2019_ho_t2

#include <bits/stdc++.h>

using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, m;
    cin >> n >> m;
    vector<pair<int, int>> a(n); //value, size
    vector<int> c(m);
    for (int i = 0; i < n; ++i) {
        cin >> a[i].second >> a[i].first;
    }
    for (int i = 0; i < m; ++i) {
        cin >> c[i];
    }
    sort(a.begin(), a.end(), greater());
    sort(c.begin(), c.end(), greater());
    int pnt = 0;
    int ans = 0;
    for (int i = 0; i < m; ++i) {
        while (pnt < n && a[pnt].second > c[i]) {
            pnt += 1;
        }
        if (pnt == n) {
            break;
        }
        ans += 1;
        pnt += 1;
    }
    cout << ans;
    return 0;
}

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