Submission #237010

#	Time	Username	Problem	Language	Result	Execution time	Memory
237010		priyansh5525	Exhibition (JOI19_ho_t2)	C++17	100 / 100	66 ms	5752 KiB

joi2019_ho_t2

#include<bits/stdc++.h>
using namespace std;
#define ll long long int
#define pii pair<long long int,long long int>
#define vi vector<long long int >
#define vvi vector<vector< long long int>>
#define MP make_pair
#define PB push_back 
#define pb pop_back
#define PF push_front
#define pf pop_front
#define MOD 1000000007
#define MT make_tuple
ll n,m;
int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cin>>n>>m;
	pii a[n];
	ll b[m];
	for(ll i=0;i<n;i++)
	{
		cin>>a[i].second>>a[i].first;
	} 
	for(ll i=0;i<m;i++)
		cin>>b[i];
	sort(a,a+n);
	sort(b,b+m);
	ll j=n-1;
	ll ans=0;
	for(ll i=m-1;i>=0 && j>=0;i--)
	{
		while(j>=0 && a[j].second>b[i])
			j--;
		if(j>=0)
		{
			ans++;
			j--;
		}
	}
	cout<<ans<<"\n";
    return 0;
}
			

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