Submission #80571

#TimeUsernameProblemLanguageResultExecution timeMemory
80571arman_ferdousRice Hub (IOI11_ricehub)C++17
17 / 100
61 ms2896 KiB
#include <bits/stdc++.h>
#include "ricehub.h"
using namespace std;

typedef long long ll;
const int N = 1e5+10;
int n; ll arr[N], sum[N], cap;

ll calc(ll i, ll j, ll x) {
	ll p = lower_bound(arr,arr+n,x) - arr; p++;
	ll ret = x * (p - i) - (sum[p-1] - sum[i-1]);
	ret = ret + sum[j] - sum[p-1] - x * (j - p + 1);
	return ret;
}

bool ok(int l, int r) {
	ll med = (sum[r] - sum[l-1]) / (r - l + 1);
	for(ll i = med - 5; i <= med+5; i++)
		if(calc(l,r,i) <= cap) return true;
	return false;
}

int besthub(int R, int L, int X[], ll B) {
	n = R, cap = B; sum[0] = 0;
	for(int i = 0; i < R; i++) arr[i] = X[i];
	for(int i = 1; i <= R; i++) sum[i] = sum[i-1] + X[i-1];

	int r = 0, ans = 0;
	for(int l = 0; l < n; l++) {
		while(r + 1 < n && ok(l,r+1)) ++r;
		ans = max(ans, r - l + 1);
	}
	return ans;
}
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