Submission #227785

#	Time	Username	Problem	Language	Result	Execution time	Memory
227785		staniewzki	Rice Hub (IOI11_ricehub)	C++17	100 / 100	22 ms	2560 KiB

ricehub

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

#include "ricehub.h"

int besthub(int R, int L, int X[], LL B) {
	vector<LL> sum(R + 1);
	for(int i = 0; i < R; i++)
		sum[i + 1] = sum[i] + X[i];

	auto get = [&](int l, int r) {
		int m = (l + r) / 2;
		return sum[r + 1] - sum[m] - X[m] * LL(r + 1 - m)
			 + X[m] * LL(m - l) - sum[m] + sum[l];
	};

	int p = 0, ans = 0;
	for(int i = 0; i < R; i++)
		while(p < R && get(i, p) <= B)
			ans = max(ans, p++ - i + 1);
	return ans;
}

• Subtask 1: 17 / 17
• Subtask 2: 25 / 25
• Subtask 3: 26 / 26
• Subtask 4: 32 / 32