Submission #377893

#	Time	Username	Problem	Language	Result	Execution time	Memory
377893		astoria	Exhibition (JOI19_ho_t2)	C++14	100 / 100	65 ms	2028 KiB

joi2019_ho_t2

#include "bits/stdc++.h"
using namespace std;

#define fi first
#define se second

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL); cout.tie(NULL);
	int n,m;
	cin>>n>>m;
	pair<int,int> vs[n+5];
	for(int i=1; i<=n; i++) cin>>vs[i].se>>vs[i].fi;
	sort(vs+1,vs+n+1);
	int c[m+5];
	for(int i=1; i<=m; i++) cin>>c[i];
	sort(c+1,c+m+1);
	
	int t = m+1; //last taken
	for(int i=n; i>=1; i--){
		if(t==1) break;
		if(c[t-1] >= vs[i].se) t--;
	}
	cout<<(m+1-t);
}

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