Submission #202338

#	Time	Username	Problem	Language	Result	Execution time	Memory
202338		someone_aa	Art Exhibition (JOI18_art)	C++17	50 / 100	1063 ms	18392 KiB

art

#include <bits/stdc++.h>
#define ll long long 
#define pb push_back
#define mp make_pair
using namespace std;
const int maxn = 500100;
vector<pair<ll,ll> > v;
ll pref[maxn], n;

int main() {
	cin>>n;
	ll a, b;
	for(int i=1;i<=n;i++) {
		cin>>a>>b;
		v.pb({a, b});
	} sort(v.begin(), v.end());

	ll result = 0LL;
	for(int i=1;i<=n;i++) {
		pref[i] = pref[i-1] + v[i-1].second;
		
		for(int j=1;j<=i;j++) {
			result = max(result, (pref[i] - pref[j-1]) - (v[i-1].first - v[j-1].first));
		}
	}
	cout<<result<<"\n";
}

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