#include <bits/stdc++.h>
#include "biscuits.h"
using namespace std;
const int bitc = 60;
long long count_tastiness(long long x, std::vector<long long> a) {
vector<long long> ossz(bitc, 0), dp(bitc, 0);
ossz[0] = a[0];
for(int i = 1; i < (int)a.size(); i++)
ossz[i] = ossz[i-1] + (1ll<<i)*a[i];
for(int i = (int)a.size(); i < bitc; i++)
ossz[i] = ossz[i-1];
for(int i = 0; i < bitc; i++){
if((1ll<<i)*x > (long long)1e18)
return dp[i-1] + 1ll;
if(ossz[i] >= (1ll<<i)*x){
//cout<<"\nbit: "<<i<<"\n";
//cout<<ossz[i]<<" ossz------------\n";
long long c = ossz[i] - (1ll<<i)*x;
//cout<<"c: "<<c<<"\n";
for(int j = i-1; j >= 0; j--){
if(((1ll<<(j+1))-1ll)*x <= c){
//cout<<j<<" all good\n";
dp[i] += dp[j];
break;
} else if((1ll<<j)*x <= c && ossz[j] >= (1ll<<j)*x){
c = min(c, ossz[j]) - (1ll<<j)*x;
//cout<<j<<" "<<dp[j-1]+1ll<<" one\n";
dp[i] += (j > 0 ? dp[j-1]+1ll : 1ll);
}
}
dp[i] += 1ll;
//cout<<"dp: "<<dp[i]<<"\n";
}
if(i > 0)
dp[i] += dp[i-1];
//cout<<i<<" dp: "<<dp[i]<<"\n";
}
return dp[bitc-1]+1ll;
}
