Submission #210215

#	Time	Username	Problem	Language	Result	Execution time	Memory
210215		shart23	Exhibition (JOI19_ho_t2)	C++14	100 / 100	81 ms	5656 KiB

joi2019_ho_t2

#include <bits/stdc++.h>

#define int long long
#define endl "\n"

using namespace std;

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int n, m, s1, v1;
    cin >> n >> m;
    vector<pair<int, int>> pict;
    for (int i = 0; i < n; i++) {
        cin >> s1 >> v1;
        pict.emplace_back(v1, s1);
    }
    vector<int> board(m);
    for (int &el : board) {
        cin >> el;
    }
    sort(pict.begin(), pict.end());
    sort(board.begin(), board.end());
    int j = m - 1;
    for (int i = n - 1; i >= 0; i--) {
        if (pict[i].second <= board[j]) {
            j--;
            if (j < 0) {
                break;
            }
        }
    }
    cout << m - j - 1 << endl;
}

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