Advent of Code 2025 Day 2: Gift Shop in C# ✅✅

Today we help the elves identify invalid product IDs in their gift shop!

Source code: https://github.com/MartinZikmund/advent-of-code

#adventofcode #puzzle #coding #csharp #dotnet #programming

Contents:
0:00 - Intro
0:10 - Part 1
1:10 - Solving part 1
11:22 - Part 2
12:38 - Solving part 2
20:30 - Summary

Видео Advent of Code 2025 Day 2: Gift Shop in C# ✅✅ канала Martin Zikmund