Submission #789713

#	Time	Username	Problem	Language	Result	Execution time	Memory
789713		Bula	Art Exhibition (JOI18_art)	C++17	100 / 100	392 ms	20776 KiB

art

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

#define ll long long
#define pb push_back
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define int ll
#define f first
#define s second
const ll mod=1e9+7;

main(){
	int n;
	cin>>n;
	vector< pair<int,int> > v(n+1);
	int sum = 0;
	for(int i=1;i<=n;i++){
		cin>>v[i].first>>v[i].second;
		sum += v[i].second;
	}
	
	sort(all(v));
	int mn = INT_MAX,ans = 0,cur = 0;
	for(int i=1;i<=n;i++){
		mn = min(mn , cur - v[i].f);
		cur += v[i].s;
		ans = max(ans , cur - mn - v[i].f);
	}
	cout<<ans<<endl;
}

Compilation message (stderr)

art.cpp:13:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   13 | main(){
      | ^~~~

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