Submission #1229052

#	Time	Username	Problem	Language	Result	Execution time	Memory
1229052		nguyentuankhangtp	Art Exhibition (JOI18_art)	C++20	100 / 100	113 ms	12116 KiB

art

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define fi first
#define se second
int const N=5e5+10;
pair<int,int> a[N];
int sum[N];
int ma=-1000000000;
signed main()
{
    cin.tie(0)->sync_with_stdio(false);
    int n;
    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++){
        sum[i]=sum[i-1]+a[i].se;
    }
    int ma = 0, res = 0;
    for(int i = 1; i <= n; i ++) {
        ma = max(ma, a[i].fi - sum[i - 1]);
        res = max(res, ma + sum[i] - a[i].fi);
    }
    cout<<res;
}

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