#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
ll count_tastiness( ll x, vector<ll> a ){
int n = 61;
while( (int)a.size() < n ) a.push_back(0);
for( int i = 0; i < n; i++ ){
if( a[i] >= x ){
int aux = (a[i] - x)/2;
a[i + 1] += aux;
a[i] -= 2*aux;
}
}
//
// cout << "a ";
// for( int x : a ) cout << x << " ";
// cout << endl;
int max_shift = __builtin_clzll(x);
function<ll( int, int, ll, ll )> solve = [&]( int i, int j, ll remain, ll num ){
if( i < 0 ){
return 1LL;
}
// cout << "estado " << i << " " << j << " " << remain << endl;
ll resp = solve(i - 1, j, remain, num);
if( i >= max_shift ) return resp;
ll goal = (x<<i);
if( j > i ){ j = i; remain = a[i]; }
if( (remain<<j) >= goal ){
int qtd = (goal>>j);
remain -= qtd;
ll aux = solve( i - 1, j, remain, num + (1<<i) );
// cout << "1 " << resp + aux << endl;
return resp + aux;
}
goal -= (remain<<j);
j--;
while( j >= 0 ){
if( (a[j]<<j) >= goal ){
int qtd = (goal>>j);
remain = a[j] - qtd;
ll aux = solve( i - 1, j, remain, num + (1<<i) );
// cout << "2 " << resp + aux << endl;
return resp + aux;
}
goal -= (a[j]<<j);
j--;
}
// cout << "3 " << resp << endl;
return resp;
};
return solve( n - 1, n - 1, a[n - 1], 0 );
}
