Submission #48465

#	Time	Username	Problem	Language	Result	Execution time	Memory
48465		arman_ferdous	Art Exhibition (JOI18_art)	C++17	50 / 100	1083 ms	24444 KiB

art

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

typedef long long ll;
const int N = 5e5+10;
pair<ll,ll> arr[N];

int main() {
	int n;
	scanf("%d", &n);
	for(int i = 0; i < n; i++)
		scanf("%lld %lld", &arr[i].first, &arr[i].second);

	sort(arr,arr+n);
	ll ans = 0;
	for(int i = 0; i < n; i++) {
		ll sum = 0;
		for(int j = i; j < n; j++) {
			sum += arr[j].second;
			ans = max(ans, sum - arr[j].first + arr[i].first);
		}
	}
	printf("%lld", ans);
	return 0;
}

Compilation message (stderr)

art.cpp: In function 'int main()':
art.cpp:10:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
art.cpp:12:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %lld", &arr[i].first, &arr[i].second);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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