Submission #1185380

#	Time	Username	Problem	Language	Result	Execution time	Memory
1185380		boclobanchat	Exhibition (JOI19_ho_t2)	C++20	100 / 100	33 ms	1608 KiB

joi2019_ho_t2

#include<bits/stdc++.h>
using namespace std;
#define ii pair<int,int>
#define fi first
#define se second
const int MAXN=1e5+5;
ii A[MAXN];
int V[MAXN];
int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int n,m;
	cin>>n>>m;
	for(int i=1;i<=n;i++) cin>>A[i].se>>A[i].fi;
	for(int i=1;i<=m;i++) cin>>V[i];
	sort(A+1,A+n+1);
	sort(V+1,V+m+1,greater<int>());
	int ans=0;
	for(int i=n;i;i--) if(ans<m&&A[i].se<=V[ans+1]) ans++;
	cout<<ans;
}

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