Submission #471286

#	Time	Username	Problem	Language	Result	Execution time	Memory
471286		IvnF	Art Exhibition (JOI18_art)	C++14	0 / 100	1 ms	204 KiB

art

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define ull unsigned long long
#define fi first
#define se second
#define ld long double
ll n, pref[500005];
pair<ll, ll>arr[500005];

int main(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	cin >> n;
	for(int i=1;i<=n;++i){
		cin >> arr[i].fi >> arr[i].se;
	}
	sort(arr+1, arr+1+n);
	for(int i=1;i<=n;++i) pref[i]=pref[i-1]+arr[i].se;
	ll l=1, maks=0;
	for(int i=1;i<=n;++i){
		while((pref[i]-pref[l-1])-(arr[i].fi-arr[l].fi) < 0){
			++l;
		}
		maks=max(maks, (pref[i]-pref[l-1])-(arr[i].fi-arr[l].fi));
	}
	cout << maks << '\n';
}

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