Submission #224132

#	Time	Username	Problem	Language	Result	Execution time	Memory
224132		bharat2002	Art Exhibition (JOI18_art)	C++14	0 / 100	5 ms	384 KiB

art

/*input
3
2 3
11 2
4 5
*/
#include<bits/stdc++.h>
using namespace std;
const int N=5e5 + 100;
const int mod=1e9 + 7;
#define int long long
const int inf=1e18;
#define pii pair<int, int>
#define f first
#define s second 
#define mp make_pair
#define FOR(i, n) for(int i=1;i<=n;i++)
#define TRACE(x) cerr << #x << " = " << x << endl 
//Trace prints the name of the variable and the value.
int n;vector< pii > vals;int pref[N];
bool sf(pii a, pii b)
{
	return a.f<b.f;
}
signed main()
{
	ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
	cin>>n;
	for(int i=1;i<=n;i++)
	{
		int a, b;cin>>a>>b;vals.push_back(mp(a, b));
	}
	sort(vals.begin(), vals.end(), sf);
	int sum=0;int mval=0, ans=0;
	for(auto i:vals)
	{
		sum+=i.s;
		ans=max(ans, sum + mval - i.f);
		mval=max(mval, i.f - sum + i.s);
	}
	cout<<ans;
}

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