#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
long long count_tastiness(long long x, std::vector<long long> a) {
int n = (int)a.size();
set<ll>S;
vector<ll>s(61, 0);
for(int i=0; i<61; ++i) {
if(i < n) s[i] = (1LL<<i) * a[i];
if(i) s[i] += s[i-1];
}
S.insert(0);
for(int i=0; i<61; ++i) {
auto it = S.end();
--it;
while(true) {
ll cur = (*it);
if((s[i]/x) >= (cur+(1LL<<i))) {
S.insert(cur + (1LL<<i));
}
if(it == S.begin()) break;
--it;
}
}
return (ll)S.size();
}
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