Submission #772677

#	Time	Username	Problem	Language	Result	Execution time	Memory
772677		NintsiChkhaidze	Art Exhibition (JOI18_art)	C++17	100 / 100	177 ms	13468 KiB

art

#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define s second
#define f first
#define pll pair <ll,ll>
#define pii pair <int,int>
#define left h*2,l,(l + r)/2
#define right h*2+1,(l + r)/2 + 1,r
using namespace std;

const int N = 5e5 + 5;

ll t[4*N],lz[4*N],p[N];
pll d[N];

signed main() {
	ios_base::sync_with_stdio(0),cin.tie(NULL),cout.tie(NULL);

	int n;
	cin>>n;

	for (int i = 1; i <= n; i++){
		cin>>d[i].f>>d[i].s;
	}
	sort(d + 1,d + n + 1);

	for (int i = 1; i <= n; i++){
		p[i] = p[i - 1] + d[i].s;
	}

	ll ans = 0,mn = 1e18;
	for (int i = 0; i <= n; i++){
		ans = max(ans, p[i] - d[i].f - mn);
		mn = min(mn, p[i] - d[i + 1].f);
	}
	cout<<ans;
}

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