Submission #521290

#	Time	Username	Problem	Language	Result	Execution time	Memory
521290		AdamGS	Exhibition (JOI19_ho_t2)	C++17	100 / 100	45 ms	1484 KiB

joi2019_ho_t2

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=1e5+7;
pair<int,int>T[LIM];
int P[LIM];
int main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	int n, m;
	cin >> n >> m;
	rep(i, n) cin >> T[i].nd >> T[i].st;
	rep(i, m) cin >> P[i];
	sort(T, T+n);
	sort(P, P+m);
	reverse(T, T+n);
	reverse(P, P+m);
	int ans=0;
	rep(i, n) if(ans<m && T[i].nd<=P[ans]) ++ans;
	cout << ans << '\n';
}

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