제출 #867892

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
867892		iskhakkutbilim	Art Exhibition (JOI18_art)	C++17	0 / 100	0 ms	348 KiB

art

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

#define int long long
#define ff first
#define ss second
#define all(a) a.begin(), a.end()




main(){
   ios::sync_with_stdio(0);
   cin.tie(0); cout.tie(0);
	int n; cin >> n;
	int ans = LLONG_MIN;
	vector< pair<int, int> > a(n);
	for(auto &x : a) cin >> x.ff >> x.ss;
	sort(all(a));
	int cursum = 0;
	set<int> pref;
	pref.insert(-a[0].ff);
	for(int i = 0;i < n; i++){
		cursum+= a[i].ss;
//		cout << i+1 << " = " << cursum - *pref.begin() - a[i].ff << '\n';
		ans = max(ans, cursum - *pref.begin() - a[i].ff);
		pref.insert(cursum - a[i].ff);
	}
	cout << ans;
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

art.cpp:12:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   12 | main(){
      | ^~~~

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