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답안 #856147

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
856147 2023-10-02T17:47:41 Z aykhn 쌀 창고 (IOI11_ricehub) C++14
0 / 100
 4 ms 1372 KB 
#include "ricehub.h"
#include <bits/stdc++.h>

// author : aykhn

using namespace std;
typedef long long ll;

#define pb push_back
#define ins insert
#define mpr make_pair
#define all(v) v.begin(), v.end()
#define bpc __builtin_popcount
#define pii pair<int, int>
#define pll pair<ll, ll>
#define fi first
#define se second
#define infll 0x3F3F3F3F3F3F3F3F
#define inf 0x3F3F3F3F

int besthub(int n, int L, int X[], long long b)
{
	ll x[n];
	for (int i = 0; i < n; i++) x[i] = X[i];
	vector<ll> pref(n + 1);
	pref[0] = x[0];
	for (int i = 1; i < n; i++) pref[i] = pref[i - 1] + x[i];
	pref[n] = pref[n - 1];
	int ans = 1;
	int l = 0;
	int r = 1;
	for (int i = 0; i < n; i++)
	{
		ll sum = x[i] * (i - l + 1) - (pref[i] - (l ? pref[l - 1] : 0));
		sum += pref[r - 1] - (i ? pref[i - 1] : 0) - x[i] * (r - i); 
		assert(l > i);
		while (l < n)
		{
			if (sum <= b) break;
			sum -= abs(x[i] - x[l]);
			l++;
		} 
		while (r < n)
		{
			if (sum + abs(x[r] - x[i]) <= b)
			{
				sum += abs(x[r] - x[i]);
				r++;
			}
			else break;
		}
		while (r < n && abs(x[l] - x[i]) > abs(x[r] - x[i]))
		{
			sum -= abs(x[l] - x[i]);
			sum += abs(x[r] - x[i]);
			l++;
			r++;
		}
		ans = max(ans, r - l);
	}
	return ans;
}

Subtask #1
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 1 ms 604 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 1 ms 604 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #3
0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 1 ms 604 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 4 ms 1372 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -