Submission #1256657

#	Time	Username	Problem	Language	Result	Execution time	Memory
1256657		XXBabaProBerkay	Art Exhibition (JOI18_art)	C++20	0 / 100	0 ms	328 KiB

art

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

#define F first
#define S second
#define MP make_pair
#define PB push_back

using ll = long long;
using ld = long double;
using pi = pair<int, int>;
using pll = pair<ll, ll>;

template<typename T>
using vec = vector<T>;

template<typename T, int N>
using arr = array<T, N>;

ll gcd(ll a, ll b) { return b == 0 ? a : gcd(b, a % b); }
ll lcm(ll a, ll b) { return a * b / gcd(a, b); }

const int INF = 1e9 + 7;
const int MOD = 998244353;

int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);

	int N;
	cin >> N;
	vec<pair<ll, ll>> A(N + 1);
	for (int i = 1; i <= N; i++)
		cin >> A[i].F >> A[i].S;

	sort(A.begin() + 1, A.end());
	A[0] = A[1];

	ll l = 1, ans = 0, sum = 0, diff = 0;
	for (int r = 1; r <= N; r++)
	{
		sum += A[r].S;
		diff += A[r].F - A[r - 1].F;
		while (l < r && A[l + 1].F - A[l].F > A[l].S)
		{
			sum -= A[l].S;
			diff -= A[l + 1].F - A[l].F;
			l++;
		}

		ans = max(ans, sum - diff);
	}

	cout << ans << '\n';
}

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