Submission #127261

#	Time	Username	Problem	Language	Result	Execution time	Memory
127261		shuvi_dola	Art Exhibition (JOI18_art)	C++14	0 / 100	2 ms	376 KiB

art

#include <bits/stdc++.h>
#define int long long
#define fi first
#define se second

using namespace std;
const int N = 1e5+3;
int c[N], best[N], n, k;
pair <int,int> pic[N];
signed main()
{
	cin>>n;
	for(int i=1;i<=n;i++)
	{
		scanf("%lld %lld",&pic[i].fi,&pic[i].se);
	}

	sort(pic+1,pic+1+n);
	c[1] = pic[1].se;
	for(int i=2;i<=n;i++)
	{
		c[i] = pic[i].se - (pic[i].fi - pic[i-1].fi);
	}

	// for(int i=1;i<=n;i++)
	// {
	// 	cout<<c[i]<<' ';
	// }

	int ans = 0;
	for(int i=1;i<=n;i++)
	{
		best[i] = max(best[i-1] + c[i], c[i]);
		ans = max(ans, best[i]);
	}
	cout<<ans;
}

Compilation message (stderr)

art.cpp: In function 'int main()':
art.cpp:15:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %lld",&pic[i].fi,&pic[i].se);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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