Submission #226242

#	Time	Username	Problem	Language	Result	Execution time	Memory
226242		Dilshod_Imomov	Art Exhibition (JOI18_art)	C++17	100 / 100	361 ms	48376 KiB

art

# include <bits/stdc++.h>
# define speed ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
# define int long long
  
using namespace std;
  
const int N = 5e5 + 7;
const int mod = 1e9 + 7;

pair < int, int > vc[N];
int sum[N], ans = -1e18;

int32_t main() {
	speed;
	int n;
	cin >> n;
	for ( int i = 1; i <= n; i++ ) {
		cin >> vc[i].first >> vc[i].second;
	}
	sort( vc + 1, vc + 1 + n );
	for ( int i = 1; i <= n; i++ ) {
		sum[i] = sum[i - 1] + vc[i].second;
	}
	set < int > st;
	for ( int k = 1; k <= n; k++ ) {
		st.insert( sum[k - 1] - vc[k].first );
		int x = *st.begin();
		ans = max( ans, sum[k] - vc[k].first - x );
	}
	cout << ans;
}

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