This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define vi vector<int>
#define REP(i,n) for(int i = 0; i < n; i ++)
#define SZ(v) (int)v.size()
int b[65],s[65];
map<int,int> dp;
int solve(int n,int x){
if(n <= 0) return 0;
if(n == 1) return 1;
if(dp.find(n) != dp.end()) return dp[n];
int i = 0,cur = 1;
while(cur < n){
cur *= 2;
i++;
}
i--;
cur /= 2;
return dp[n] = solve(cur,x)+solve(min(n,1+s[i]/x)-cur,x);
}
int count_tastiness(int x, vi a) {
REP(i,SZ(a)){
b[i] = a[i];
if(!i) s[i] = a[i];
else s[i] = s[i-1]+(1LL<<i)*a[i];
}
dp.clear();
return solve(1LL<<60,x);
}
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