Second this. I used C for the first few exercises of the 2019 Advent of Code and it was SUPER fun. Granted, things that could been a single line of Ruby or Cr

Second this. I used C for the first few exercises of the 2019 Advent of Code and it was SUPER fun. Granted, things that could been a single line of Ruby or Crystal took a few hours for me to cobble together in C, but my level and depth of understanding went WAY up. Totally worthwhile.