# [Day 9](https://adventofcode.com/2023/day/9) 
:gift::gift::gift::gift::gift::gift::gift::gift::gift:

Today's language: **Rust**

Lines of code: **88**

Execution time: **0,003 s**

This solution uses a custom triangle datatype.
It is a bit overkill code-wise, but efficient with memory and re-allocations.

```shell
rustc day09.rs
./day09
```
<!-- implemented triangle datatype -->