제출 #787342

#제출 시각아이디문제언어결과실행 시간메모리
787342devariaotaExhibition (JOI19_ho_t2)C++17
100 / 100
46 ms2672 KiB
#include<bits/stdc++.h>
using namespace std;
vector<pair<int, int>> v1;
vector<int> v2;
int main() { 
    ios_base::sync_with_stdio(false); cin.tie(NULL);
    int n, m;
    cin >> n >> m;
    for (int i = 0; i < n; i++) {
        int a, b;
        cin >> a >> b;
        v1.push_back({b, a});
    }
    sort(v1.rbegin(), v1.rend());
    for (int i = 0; i < m; i++) {
        int a;
        cin >> a;
        v2.push_back(a);
    }
    sort(v2.rbegin(), v2.rend());
    int id = 0;
    for (int i = 0; i < n and id < m; i++) {
        if (v1[i].second > v2[id]) continue;
        id++;
    }
    cout << id << "\n";
}  
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