#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define SZ(x) int(x.size())
const int MXN = 60;
unordered_map<ll, ll> dp;
ll x;
ll s[MXN];
ll DP(ll n) {
if(n<=1) return n==1;
if(dp.find(n)!=dp.end()) return dp[n];
int i = __lg(n-1);
return dp[n] = DP(1ll<<i) + DP(min(n, s[i]/x+1)-(1ll<<i));
}
ll count_tastiness(ll x, vector<ll> a) {
::x = x;
s[0] = a[0];
for(int i=1; i<SZ(a); i++)
s[i] = s[i-1] + (a[i]<<i);
for(int i=SZ(a); i<60; i++) s[i] = s[i-1];
dp.clear();
return DP(1ll<<60);
}
