Submission #1127219

#	Time	Username	Problem	Language	Result	Execution time	Memory
1127219		khangrl	Exhibition (JOI19_ho_t2)	C++20	100 / 100	98 ms	3768 KiB

joi2019_ho_t2

#include<bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define int long long
using namespace std;
signed main(){
	vector <int> v1;
	vector <pair <int, int> > v;
	int n, m;
	cin>>n>>m;
	for(int i=1; i<=n; i++){
		int a, b;
		cin>>a>>b;
		v.pb({b, a});
	}
	for(int i=1; i<=m; i++){
		int a;
		cin>>a;
		v1.pb(a);
	}
	sort(v1.begin(), v1.end());
	sort(v.begin(), v.end());
	int ans=0, j=m-1;
	for(int i=n-1; i>=0; i--){
		if(v[i].ss<=v1[j]){
			ans++;
			j--;
		}
		if(j==-1){
			break;
		}
    }
    cout<<ans;
}

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