Submission #41204

#	Time	Username	Problem	Language	Result	Execution time	Memory
41204		MatheusLealV	Stove (JOI18_stove)	C++14	0 / 100	2 ms	248 KiB

stove

#include <bits/stdc++.h>
#define inf 2000000000000000000LL
#define N 500005
#define f first
#define s second
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pii;

ll n, resp, sum[N], a, b;

pii v[N];

int main()
{
	ios::sync_with_stdio(false); cin.tie(0);

	cin>>n;

	for(int i = 1; i <= n; i++) cin>>v[i].f>>v[i].s;

	sort(v + 1, v + n + 1);

	for(int i = 1; i <= n; i++) sum[i] = sum[i - 1] + v[i].s;

	ll melhor = -inf;

	for(int i = 1; i <= n; i++)
	{
		melhor = max(melhor, -sum[i - 1] + v[i].f);

		resp = max(resp, sum[i] - v[i].f + melhor);
	}

	cout<<resp<<"\n";
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50