#include "biscuits.h"
#include <vector>
#include <map>
using namespace std;
map<long long, long long> m;
int lg(long long a) {
for (int i = 60; i > 0; i--) {
if (1ll<<i & a) return i;
}
return 0;
}
long long f(vector<long long> &s, long long x, long long n) {
if(n<=0) return 0;
if(n==1) return 1;
if(m.find(n)!=m.end()) {
return m[n];
}
long long a = lg(n-1);
return m[n] = f(s,x,1LL<<a) + f(s,x,min(n,1+s[a]/x)-(1LL<<a));
}
long long count_tastiness(long long x, std::vector<long long> a) {
m.clear();
for(int i=1; i<(int)a.size(); i++) {
a[i] = a[i-1] + (a[i]<<i);
}
while(a.size()<=60) a.push_back(a.back());
return f(a, x, 1+a.back());
}
