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# Solutions by Packy Anderson
## Raku
* [Task 1](raku/ch-1.raku)
Sample output
```
$ raku/ch-1.raku
Example 1:
Input: $str = "loveleetcode", $char = "e"
Output: (3,2,1,0,1,0,0,1,2,2,1,0)
Example 2:
Input: $str = "aaab", $char = "b"
Output: (3,2,1,0)
```
* [Task 2](raku/ch-2.raku)
Sample output
```
$ raku/ch-2.raku
Example 1:
Input: $a = [
[1, 2, 3, 4],
[5, 6, 7, 8],
[9, 10, 11, 12]
]
Output: $b = [
[14, 18, 22],
[30, 34, 38]
]
Example 2:
Input: $a = [
[1, 0, 0, 0],
[0, 1, 0, 0],
[0, 0, 1, 0],
[0, 0, 0, 1]
]
Output: $b = [
[2, 1, 0],
[1, 2, 1],
[0, 1, 2]
]
```
## Perl
* [Task 1](perl/ch-1.pl)
Sample output
```
$ perl/ch-1.pl
Example 1:
Input: $str = "loveleetcode", $char = "e"
Output: (3,2,1,0,1,0,0,1,2,2,1,0)
Example 2:
Input: $str = "aaab", $char = "b"
Output: (3,2,1,0)
```
* [Task 2](perl/ch-2.pl)
Sample output
```
$ perl/ch-2.pl
Example 1:
Input: $a = [
[1, 2, 3, 4],
[5, 6, 7, 8],
[9, 10, 11, 12]
]
Output: $b = [
[14, 18, 22],
[30, 34, 38]
]
Example 2:
Input: $a = [
[1, 0, 0, 0],
[0, 1, 0, 0],
[0, 0, 1, 0],
[0, 0, 0, 1]
]
Output: $b = [
[2, 1, 0],
[1, 2, 1],
[0, 1, 2]
]
```
## Guest Language: Python
* [Task 1](python/ch-1.py)
* [Task 2](python/ch-2.py)
## Blog Post
[Perl Weekly Challenge: The Shortest Distance between Submatrix Sums](https://packy.dardan.com/b/Ff)
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