Preparing NOJ

Divide it!

1000ms 262144K

Description:

You are given an integer $$$n$$$.

You can perform any of the following operations with this number an arbitrary (possibly, zero) number of times:

  1. Replace $$$n$$$ with $$$\frac{n}{2}$$$ if $$$n$$$ is divisible by $$$2$$$;
  2. Replace $$$n$$$ with $$$\frac{2n}{3}$$$ if $$$n$$$ is divisible by $$$3$$$;
  3. Replace $$$n$$$ with $$$\frac{4n}{5}$$$ if $$$n$$$ is divisible by $$$5$$$.

For example, you can replace $$$30$$$ with $$$15$$$ using the first operation, with $$$20$$$ using the second operation or with $$$24$$$ using the third operation.

Your task is to find the minimum number of moves required to obtain $$$1$$$ from $$$n$$$ or say that it is impossible to do it.

You have to answer $$$q$$$ independent queries.

Input:

The first line of the input contains one integer $$$q$$$ ($$$1 \le q \le 1000$$$) — the number of queries.

The next $$$q$$$ lines contain the queries. For each query you are given the integer number $$$n$$$ ($$$1 \le n \le 10^{18}$$$).

Output:

Print the answer for each query on a new line. If it is impossible to obtain $$$1$$$ from $$$n$$$, print -1. Otherwise, print the minimum number of moves required to do it.

Sample Input:

 7 1 10 25 30 14 27 1000000000000000000 

Sample Output:

 0 4 6 6 -1 6 72 

Info

CodeForces

Provider CodeForces

Origin Codeforces Round #565 (Div. 3)

Code CF1176A

Tags

brute forcegreedyimplementation

Submitted 136

Passed 82

AC Rate 60.29%

Date 07/21/2019 13:41:28

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