Submission #1093320

#	Time	Username	Problem	Language	Result	Execution time	Memory
1093320		emptypringlescan	Exhibition (JOI19_ho_t2)	C++17	100 / 100	42 ms	5592 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
using namespace std;
int32_t main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n,m;
    cin >> n >> m;
    pair<long long,long long> arr[n];
    for(int i=0; i<n; i++) cin >> arr[i].second >> arr[i].first;
    sort(arr,arr+n);
    long long brr[m];
    for(int i=0; i<m; i++) cin >> brr[i];
    sort(brr,brr+m);
    int ans=0,cnt=m-1;
    for(int i=n-1; i>=0; i--){
		if(cnt<0) break;
		if(arr[i].second<=brr[cnt]){
			ans++;
			cnt--;
		}
	}
	cout << ans;
}

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