제출 #1282371

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1282371		ngodangminh	Art Exhibition (JOI18_art)	C++20	0 / 100	0 ms	332 KiB

art

#include<bits/stdc++.h>
#define fi first
#define se second
using namespace std;
using ll = long long;
const int N = 500005;
int n;
ll ans,t[N];
pair<int,int>a[N];

ll Tinh(int l,int r,int i)
{
    if(l>r) return 0;
    if(l==r) return t[i]-t[l-1]-(a[i].fi-a[l].fi);
    int mid=(l+r)/2;
    return max(Tinh(l,mid,i),Tinh(mid+1,r,i));
}

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    cin>>n;
    for(int i=1;i<=n;i++)
        cin>>a[i].fi>>a[i].se;
    sort(a+1,a+n+1);
    for(int i=1;i<=n;i++)
        t[i]=t[i-1]+a[i].se;
    for(int i=1;i<=n;i++)
        ans=max(ans,Tinh(1,i,i));
    cout<<ans;
    return 0;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50