#include <bits/stdc++.h>
#include "biscuits.h"
using namespace std;
typedef long long ll;
typedef __int128 xl;
typedef pair<ll, ll> pll;
#define vc vector
#define st first
#define nd second
#define all(a) a.begin(), a.end()
#define sz(a) (ll)a.size()
#define pub push_back
#define pob pop_back
ll count_tastiness(ll x, vc<ll> a) {
	xl n = sz(a);
	vc<xl> b = {0};
	b.reserve(200'000);
	xl sa = 0;
	for (xl i = 0; ; i++) {
		if (i < n)
			sa += xl(a[i]) * (xl(1) << i);
		xl k = sz(b);
		bool flag = false;
		for (xl j = 0; j < k; j++) {
			xl nw = b[j] + xl(x) * (xl(1) << i);
			if (nw <= sa) {
				b.pub(nw);
				flag = true;
			} else
				break;
		}
		if (i >= n and not flag)
			break;
	}
	return sz(b);
}
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