Question $3(30$ points$)$

Imagine a game where players earn different points with each move. There's also a target score to reach. Our goal is to determine the number of possible ways to reach that target score using the given points.

$\backslash$table$[[$Example $1$:$,$Example $2$:$],[$Input: points $=\{3,5,10\},$ target score $n=20,$Input: $n=13$