Submission #1187785

#	Time	Username	Problem	Language	Result	Execution time	Memory
1187785		M_W_13	Exhibition (JOI19_ho_t2)	C++20	100 / 100	31 ms	1608 KiB

joi2019_ho_t2

#include <bits/stdc++.h>

using namespace std;
#define rep(i, n) for (int i = 0; i < (n); i++)
typedef long long ll;
#define pb push_back
#define st first
#define nd second

int main() {
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int n, m;
    cin >> n >> m;
    pair<int, int> T[n];
    rep(i, n) {
        cin >> T[i].nd >> T[i].st;
    }
    sort(T, T + n);
    reverse(T, T + n);
    int C[m];
    rep(i, m) {
        cin >> C[i];
    }
    sort(C, C + m);
    int it = m - 1;
    int ans = 0;
    rep(i, n) {
        if (C[it] >= T[i].nd) {
            ans++;
            it--;
        }
        if (it < 0) {
            break;
        }
    }
    cout << ans << '\n';
	return 0;
}

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