Submission #1111984

#	Time	Username	Problem	Language	Result	Execution time	Memory
1111984		vjudge1	Art Exhibition (JOI18_art)	C++17	100 / 100	168 ms	24820 KiB

art

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair <int,int>
#define f first 
#define s second 
const int N=5e5+5;
const int INF=LONG_MAX;

int n,mx=-INF,qs[N],ans=0;
pii arr[N];

signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cin >> n;
    for(int i=1;i<=n;i++) cin >> arr[i].f >> arr[i].s;
    sort(arr+1,arr+1+n);
    for(int i=1;i<=n;i++) qs[i]=qs[i-1]+arr[i].s;
    for(int i=1;i<=n;i++){
        mx=max(mx,arr[i].f-qs[i-1]);
        ans=max(ans,qs[i]+mx-arr[i].f);
    }
    cout << ans;
}

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