Submission #1087224

#	Time	Username	Problem	Language	Result	Execution time	Memory
1087224		Tesla89	Art Exhibition (JOI18_art)	C++14	100 / 100	131 ms	24912 KiB

art

#include <bits/stdc++.h>
#define int long long

using namespace std;

signed main()
{
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    int n,t=LLONG_MIN,res=LLONG_MIN;
    cin>>n;
    int pref[n+1];
    pref[0]=0;
    pair<int,int> niz[n];
    for(int i=0;i<n;i++)cin>>niz[i].first>>niz[i].second;
    sort(niz,niz+n);
    for(int i=1;i<=n;i++)pref[i]=pref[i-1]+niz[i-1].second;
    for(int i=1;i<=n;i++){
        t=max(t,niz[i-1].first-pref[i-1]);
        res=max(res,pref[i]+t-niz[i-1].first);
    }
    cout<<res<<'\n';
    return 0;
}

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