Submission #507342

#	Time	Username	Problem	Language	Result	Execution time	Memory
507342		CSQ31	Exhibition (JOI19_ho_t2)	C++17	100 / 100	202 ms	4516 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
using namespace std;
int main()
{
	int n,m;
	cin>>n>>m;
	vector<array<int,2>>v(n);
	vector<int>c(m);
	for(int i=0;i<n;i++)cin>>v[i][1]>>v[i][0];
	for(int i=0;i<m;i++)cin>>c[i];
	sort(c.begin(),c.end());
	for(int i=0;i<n;i++){
		v[i][1] = m - (lower_bound(c.begin(),c.end(),v[i][1]) - c.begin());
		v[i][1]*=-1;
	}
	sort(v.begin(),v.end());
	int ans = 0;
	for(int i=n-1;i>=0;i--){
		if(ans+1 <= -v[i][1])ans++;
	}
	cout<<ans;
	
	
}

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