Submission #953434

#	Time	Username	Problem	Language	Result	Execution time	Memory
953434		irmuun	Exhibition (JOI19_ho_t2)	C++17	50 / 100	199 ms	274432 KiB

joi2019_ho_t2

#include<bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

int main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    ll n,m;
    cin>>n>>m;
    pair<ll,ll>pr[n+5];
    for(ll i=1;i<=n;i++){
        cin>>pr[i].ss>>pr[i].ff;
    }
    ll c[m+5];
    for(ll i=1;i<=m;i++){
        cin>>c[i];
    }
    sort(pr+1,pr+n+1);
    sort(c+1,c+m+1);
    ll dp[n+5][m+5];
    memset(dp,0,sizeof dp);
    for(ll i=1;i<=n;i++){
        for(ll j=1;j<=m;j++){
            if(pr[i].ss>c[j]){
                dp[i][j]=max(dp[i-1][j],dp[i][j-1]);
            }
            else{
                dp[i][j]=max({dp[i-1][j],dp[i][j-1],dp[i-1][j-1]+1});
            }
        }
    }
    cout<<dp[n][m];
}

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