Submission #516218

#	Time	Username	Problem	Language	Result	Execution time	Memory
516218		thomas_li	Exhibition (JOI19_ho_t2)	C++17	0 / 100	1 ms	312 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
using namespace std;
const int MM = 1e5+5;
int main(){
	cin.tie(0)->sync_with_stdio(0);
	int n,m; cin >> n >> m;
	vector<array<int,2>> a; vector<int> b;
	for(int i = 0; i < n; i++){
		int s,v; cin >> s >> v;
		a.push_back({v,s});
	}
	sort(a.begin(),a.end());
	for(int j = 0; j < m; j++){
		int c; cin >> c;
		b.emplace_back(c);
	}
	sort(b.begin(),b.end());
	int ans = 0;
	for(int i = 0,j = 0; i < n; i++){
		while(j < m && b[j] < a[i][1]) j++;
		if(j != m) ans++,j++;
	}
	cout << ans << "\n";
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 40
• Subtask 3: 0 / 50