제출 #867884

#제출 시각아이디문제언어결과실행 시간메모리
867884iskhakkutbilimArt Exhibition (JOI18_art)C++17
50 / 100
1093 ms20820 KiB
#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));
	for(int i = 0;i < n; i++){
		int mx = a[i].ff, mn = a[i].ff;
		ans = max(ans, a[i].ss);
		int sum = a[i].ss;	
		for(int j = i+1;j < n; j++){
			mx = max(mx, a[j].ff);
			mn = min(mn, a[j].ff);
			sum+= a[j].ss;
			ans = max(ans, sum - (mx - mn));
		}
	}
	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(){
      | ^~~~
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