Submission #482113

#	Time	Username	Problem	Language	Result	Execution time	Memory
482113		ymm	Art Exhibition (JOI18_art)	C++17	50 / 100	51 ms	6788 KiB

art

///
///   NOW'S YOUR CHANCE TO BE A [[BIG SHOT]]!!
///

#include <bits/stdc++.h>
typedef long long ll;
using namespace std;

const int N = 200010;
pair<ll,ll> a[N];
ll dp[N];
int n;

int main()
{
	ios::sync_with_stdio(false); cin.tie(0);
	cin >> n;
	for(int i = 0; i < n; ++i)
		cin >> a[i].first >> a[i].second;
	sort(a,a+n);
	for(int i = 0; i < n; ++i)
		dp[i+1] = max(a[i].first+a[i].second, dp[i]+a[i].second);
	ll ans = 0;
	for(int i = 0; i < n; ++i)
		ans = max(ans, dp[i+1]-a[i].first);
	cout << ans << '\n';
}

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