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README.md

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+# Advent of Code 2025
+
+This repository contains my solutions for the [Advent of Code 2025](https://adventofcode.com/2025) challenges.
+
+## Languages
+
+I am using Go for this year's challenge again.
+
+## Structure
+
+Each day's solution is contained in a separate package.
+
+### Prerequisite
+
+- [Go](https://go.dev/doc/install)
+
+### Running the Solutions
+
+![TODO]: Update with instructions
+
+## Challenges
+
+| Day | Problem                                         | Solution          | Notes |
+|-----|-------------------------------------------------|-------------------|-------|
+| 01  | [Problem](https://adventofcode.com/2025/day/1)  | [Solution](./01/) |       |
+| 02  | [Problem](https://adventofcode.com/2025/day/2)  | [Solution](./02/) |       |
+| 03  | [Problem](https://adventofcode.com/2025/day/3)  | [Solution](./03/) |       |
+| 04  | [Problem](https://adventofcode.com/2025/day/4)  | [Solution](./04/) |       |
+| 05  | [Problem](https://adventofcode.com/2025/day/5)  | [Solution](./05/) |       |
+| 06  | [Problem](https://adventofcode.com/2025/day/6)  | [Solution](./06/) |       |
+| 07  | [Problem](https://adventofcode.com/2025/day/7)  | [Solution](./07/) |       |
+| 08  | [Problem](https://adventofcode.com/2025/day/8)  | [Solution](./08/) |       |
+| 09  | [Problem](https://adventofcode.com/2025/day/9)  | [Solution](./09/) |       |
+| 10  | [Problem](https://adventofcode.com/2025/day/10) | [Solution](./10/) |       |
+| 11  | [Problem](https://adventofcode.com/2025/day/11) | [Solution](./11/) |       |
+| 12  | [Problem](https://adventofcode.com/2025/day/12) | [Solution](./12/) |       |