제출 #1140477

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1140477		vikofaz	Art Exhibition (JOI18_art)	C++20	100 / 100	106 ms	8264 KiB

art

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int,int>
#define pll pair<ll,ll>
#define fi first
#define se second
const int MAXN=5e5+5;
const ll inf=2e18;
int n;
pll pref[MAXN+1];
int main(){
    // freopen("input","r",stdin);
    // freopen("output","w",stdout);
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>pref[i].fi>>pref[i].se;
    }
    sort(pref+1,pref+n+1,[&](pll x,pll y){
        if(x.fi==y.fi){
            return x.se>y.se;
        }
        return x.fi<y.fi;
    });
    ll sum=0,ans=-inf,mn=0;
    for(int i=1;i<=n;i++){
        mn=min(mn,sum-pref[i].fi);
        sum+=pref[i].se;
        ans=max(ans,sum-pref[i].fi-mn);
    }
    cout<<ans;
}

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 50 / 50