public/subjects/pingpong/README.md

### Instructions

Write a program that checks if all numbers up to a given number are odd or even.
The numbers will be between `0` and `100`.

- If the number is `odd` then it prints `ping` as in the example below.
- If the number is `even` then it prints `pong`.
- If the number of arguments is invalid then do nothing.

### Usage

```console
$ go run . 6 | cat -e
0 ping$
1 pong$
2 ping$
3 pong$
4 ping$
5 pong$
$ go run . | cat -e
$
```
docs: Add description of pingpong subject 2 years ago			`### Instructions`

docs: Reword instructions 2 years ago			`Write a program that checks if all numbers up to a given number are odd or even.`
			The numbers will be between `0` and `100`.
docs: Add description of pingpong subject 2 years ago
			- If the number is `odd` then it prints `ping` as in the example below.
			- If the number is `even` then it prints `pong`.
			`- If the number of arguments is invalid then do nothing.`

			`### Usage`

			```console
			`$ go run . 6 \| cat -e`
			`0 ping$`
			`1 pong$`
			`2 ping$`
			`3 pong$`
			`4 ping$`
			`5 pong$`
			`$ go run . \| cat -e`
			`$`
			```