제출 #1205508

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1205508		minhpk	Exhibition (JOI19_ho_t2)	C++20	100 / 100	35 ms	2868 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
#define int long long
using namespace std;
int a,b;
int z[1000005];
multiset<int> s;
priority_queue<pair<int,int>> q;
bool cmp(pair<int,int> a,pair<int,int> b){
     return a.second<b.second;
}

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    cin >> a >> b;
    for (int i=1;i<=a;i++){
         int x,y;
         cin >> x >> y;
         q.push({y,x});
    }
    for (int i=1;i<=b;i++){
         cin >> z[i];
    }
    sort(z+1,z+1+b);
    int ans=0;
    for (int i=b;i>=1;i--){
         while (q.size() && q.top().second>z[i]){
               q.pop();
         }
         if (q.size()){
            ans++;
            q.pop();
         }else{
            break;
         }
    }
    cout << ans << " ";

    return 0;
}

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