Done very quickly and un-refactored! 🙂

$ ruby run.rb

Comment out the step you need (1st example, 1st input, 2nd example, 2nd data)

• Day 1 ✅
• Day 2 ✅
• Day 3 ✅
• Day 4 ✅
• Day 5 ✅
• Day 6 ✅
• Day 7 ✅
• Day 8 ✅
• Day 9 ✅
• Day 10 ✅
• Day 11 ✅
• Day 12 ✅
• Day 13 ✅
• Day 14 ✅
• Day 15 ✅
• Day 16 🙅🏻‍♂️ python solution brought in
• Day 17 ✅ (but too slow)
• Day 18 ⛔ (no time)
• Day 19 ✅
• Day 20 ⛔ (works for test cases part 1 & 2 🤷🏻‍♂️)
• Day 21 ✅ (but too much manual work)
• Day 22 🕰️
• Day 23
• Day 24