Submission #963359

#	Time	Username	Problem	Language	Result	Execution time	Memory
963359		Saul0906	Exhibition (JOI19_ho_t2)	C++17	0 / 100	1 ms	356 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
#define ll long long
#define rep(a,b,c) for(int a=b; a<c; a++)
#define fi first
#define se second
#define pll pair<int, int>

using namespace std;

int main(){
	ll n, m;
	cin>>n>>m;
	pll pic[n];
	ll frame[n], dp[m]{}, ans=0;
	rep(i,0,n) cin>>pic[i].se>>pic[i].fi;
	sort(pic,pic+n);
	rep(i,0,m) cin>>frame[i];
	sort(frame,frame+n);
	rep(i,0,n){
		ll mx=0, mx2=0;
		rep(j,0,m){
			mx2=max(mx,dp[j]);
			if(frame[j]>=pic[i].se)dp[j]=max(dp[j],mx+1);
			mx=max(mx,mx2);
			ans=max(ans,dp[j]);
		}
	}
	cout<<ans<<endl;
}

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