## Perl weekly challenge 105

Here are solutions to this weeks challenges from the Perl Weekly Challenge.

You can find my full code on Github

### Nth root

You are given positive numbers \$N and \$k.

Write a script to find out the \$Nth root of \$k.

#### The solution

I decided that I would not go the easy way this week and just use the power function `**` i.e. `return \$k**(1/\$N)…`

## Perl weekly challenge 104

Here are solutions to this weeks challenges from the Perl Weekly Challenge.

You can find my full code on Github

Write a script to generate first 50 members of FUSC Sequence. Please refer to OEIS for more information.

The sequence defined as below:

```fusc(0) = 0
fusc(1) = 1
for n > 1:
when n is even: fusc(n) = fusc(n / 2),
when n is odd:  fusc(n) = fusc((n-1)/2) + fusc((n+1)/2)
```

## Perl weekly challenge 103

Here are solutions to this weeks challenges from the Perl Weekly Challenge.

You can find my full code on Github

You are given a year \$year.

The animal cycle: Rat, Ox, Tiger, Rabbit, Dragon, Snake, Horse, Goat, Monkey, Rooster, Dog, Pig.

The element cycle: Wood, Fire, Earth, Metal, Water.

Additionally there is a two year cycle between Yin & Yang

This challenge is …

## Perl weekly challenge 102

Here are solutions to this weeks challenges from the Perl Weekly Challenge.

You can find my full code on Github

You are given a positive integer \$N. Write a script to generate all Rare numbers of size \$N if exists. Please checkout the page for more information about it.

#### Examples:

• 2 digits: 65
• 6 digits: 621,770
• 9 digits: 281,089,082

## Perl weekly challenge 101

Here are solutions to this weeks challenges from the Perl Weekly Challenge.

You can find my full code on Github

### Task 1: Pack a Spiral

You are given an array @A of items (integers say, but they can be anything).

Your task is to pack that array into an MxN matrix spirally counterclockwise, as tightly as possible.

‘Tightly’ means the absolute value |M-N| of the difference has to be as small as possible./var/www/users/james_curtis-smith/index.html