Submission #1176894

#	Time	Username	Problem	Language	Result	Execution time	Memory
1176894		GoBananas69	Exhibition (JOI19_ho_t2)	C++20	100 / 100	33 ms	1608 KiB

joi2019_ho_t2

#include <algorithm>
#include <deque>
#include <iomanip>
#include <iostream>
#include <map>
#include <string>
#include <vector>

using namespace std;
typedef long long ll;

signed main() {
    cin.tie(0)->sync_with_stdio(0);
    int n, m;
    cin >> n >> m;

    vector<pair<int, int>> pics(n);
    vector<int> frames(m);

    for (auto &p : pics)
        cin >> p.second >> p.first;
    for (int &i : frames) 
        cin >> i;

    sort(pics.begin(), pics.end());
    sort(frames.begin(), frames.end());

    int res = 0;
    int i = n - 1, j = m - 1;
    while (i >= 0 && j >= 0) {
        if (frames[j] >= pics[i].second) {
            ++res;
            --j;
        }
        --i;
    }
    cout << res << '\n';
}

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