Submission #201289

#	Time	Username	Problem	Language	Result	Execution time	Memory
201289		abil	Art Exhibition (JOI18_art)	C++14	50 / 100	1044 ms	20728 KiB

art

#include <bits/stdc++.h>

#define fr first
#define sc second
#define pb push_back
#define sz(s) s.size()
#define all(s) s.begin(),s.end()
#define int long long

using namespace std;

const int N = (1e6 + 12);
const int mod = (1e9 + 7);
const int inf = (1e9 + 7);

pair<int,int > a[N];

main(){
	int n;
	cin >> n;
	for(int i = 1;i <= n; i++){
		scanf("%lld%lld", &a[i].fr, &a[i].sc);
	}
	sort(a + 1,a + 1 + n);
	int ans = 0;
	for(int i = 1;i <= n; i++){
		int sum = 0;
		for(int j = i;j <= n; j++){
			sum += a[j].sc;
			sum -= a[j].fr - a[i].fr;
			ans = max(ans, sum);
			sum += a[j].fr - a[i].fr; 
		}
	}
	cout << ans;
}

Compilation message (stderr)

art.cpp:18:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^
art.cpp: In function 'int main()':
art.cpp:22:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld", &a[i].fr, &a[i].sc);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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