Submission #971546

#	Time	Username	Problem	Language	Result	Execution time	Memory
971546		andro	Exhibition (JOI19_ho_t2)	C++14	100 / 100	41 ms	5724 KiB

joi2019_ho_t2

#include <bits/stdc++.h>

#define int long long

using namespace std;

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n, m;
    cin >> n >> m;
    vector<pair<int,int>> a(n + 1);
    for(int i = 1; i <= n; i++) {
        cin >> a[i].second >> a[i].first;
    }
    sort(a.begin() + 1, a.end());
    vector<int> b(m + 1);
    for(int i = 1; i <= m; i++) {
        cin >> b[i];
    }
    sort(b.begin() + 1, b.end());
    int x = n;
    int y = m;
    int ans = 0;
    while(x > 0 && y > 0) {
        if(b[y] >= a[x].second) {
            ans += 1;
            y -= 1;
        }
        x -= 1;
    }
    cout << ans;
}

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