first commit

.gitignore

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+# Generated by Cargo
+# will have compiled files and executables
+debug/
+target/
+
+# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
+# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
+Cargo.lock
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+# MSVC Windows builds of rustc generate these, which store debugging information
+*.pdb

Cargo.toml

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+[package]
+name = "advent_of_code"
+version = "1.0.0"
+authors = ["John Doe"]
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[[bin]]
+name = "day01"
+path = "src/day01/bin/main.rs"
+
+[[bin]]
+name = "day02"
+path = "src/day02/bin/main.rs"
+
+[[bin]]
+name = "day03"
+path = "src/day03/bin/main.rs"
+
+[[bin]]
+name = "day04"
+path = "src/day04/bin/main.rs"
+
+[[bin]]
+name = "day05"
+path = "src/day05/bin/main.rs"
+
+[[bin]]
+name = "day06"
+path = "src/day06/bin/main.rs"
+
+[[bin]]
+name = "day07"
+path = "src/day07/bin/main.rs"
+
+[[bin]]
+name = "day08"
+path = "src/day08/bin/main.rs"
+
+[[bin]]
+name = "day09"
+path = "src/day09/bin/main.rs"
+
+[[bin]]
+name = "day10"
+path = "src/day10/bin/main.rs"
+
+[[bin]]
+name = "day11"
+path = "src/day11/bin/main.rs"
+
+[[bin]]
+name = "day12"
+path = "src/day12/bin/main.rs"
+
+[[bin]]
+name = "day13"
+path = "src/day13/bin/main.rs"
+
+[[bin]]
+name = "day14"
+path = "src/day14/bin/main.rs"
+
+[[bin]]
+name = "day15"
+path = "src/day15/bin/main.rs"
+
+[[bin]]
+name = "day16"
+path = "src/day16/bin/main.rs"
+
+[[bin]]
+name = "day17"
+path = "src/day17/bin/main.rs"
+
+[[bin]]
+name = "day18"
+path = "src/day18/bin/main.rs"
+
+[[bin]]
+name = "day19"
+path = "src/day19/bin/main.rs"
+
+[[bin]]
+name = "day20"
+path = "src/day20/bin/main.rs"
+
+[[bin]]
+name = "day21"
+path = "src/day21/bin/main.rs"
+
+[[bin]]
+name = "day22"
+path = "src/day22/bin/main.rs"
+
+[[bin]]
+name = "day23"
+path = "src/day23/bin/main.rs"
+
+[[bin]]
+name = "day24"
+path = "src/day24/bin/main.rs"
+
+[[bin]]
+name = "day25"
+path = "src/day25/bin/main.rs"
+
+[dependencies]
+regex = "1"

LICENSE

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+MIT License
+
+Copyright (c) 2021 Leonardo Javier Gago
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# Advent of Code Rust Starter
+
+- [Day 1](src/day01)
+- [Day 2](src/day02)
+- [Day 3](src/day03)
+- [Day 4](src/day04)
+- [Day 5](src/day05)
+- [Day 6](src/day06)
+- [Day 7](src/day07)
+- [Day 8](src/day08)
+- [Day 9](src/day09)
+- [Day 10](src/day10)
+- [Day 11](src/day11)
+- [Day 12](src/day12)
+- [Day 13](src/day13)
+- [Day 14](src/day14)
+- [Day 15](src/day15)
+- [Day 16](src/day16)
+- [Day 17](src/day17)
+- [Day 18](src/day18)
+- [Day 19](src/day19)
+- [Day 20](src/day20)
+- [Day 21](src/day21)
+- [Day 22](src/day22)
+- [Day 23](src/day23)
+- [Day 24](src/day24)
+- [Day 25](src/day25)
+
+## Usage
+
+The project is configured for `run`, `test` and `build` each day independently.
+
+For example:
+
+    # only run the day01
+    $ cargo run --bin day01
+
+    # only test the day02
+    $ cargo test --bin day02
+
+    # only build the day03
+    $ cargo build --bin day03
+
+Folder structure:
+
+    └── src
+        └── day01
+           ├── bin
+           │   ├── main.rs
+           │   ├── part1.rs
+           │   └── part2.rs
+           ├── README.md
+           └── resources
+               └── input.txt
+
+Happy coding!
+
+[MIT License](LICENSE)

src/day01/README.md

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+# Advent of Code - Day 1
+
+## Part One
+
+TODO
+
+## Part Two
+
+TODO
+

src/day01/bin/main.rs

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+//! # Advent of Code - Day 1
+
+mod part1;
+mod part2;
+
+fn main() {
+    let _input = include_bytes!("../resources/input.txt");
+
+    println!("--- Part One ---");
+    println!("Result: {}", part1::result().unwrap());
+
+    println!("--- Part Two ---");
+    println!("Result: {}", part2::result().unwrap());
+}

src/day01/bin/part1.rs

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+//! # Advent of Code - Day 1 - Part One
+
+pub fn result() -> Result<i64, &'static str> {
+    Ok(0)
+}
+
+#[cfg(test)]
+mod day01 {
+    use super::*;
+
+    #[test]
+    fn test_result() {
+        assert_eq!(Ok(0), result());
+    }
+}

src/day01/bin/part2.rs

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+//! # Advent of Code - Day 1 - Part Two
+
+pub fn result() -> Result<i64, &'static str> {
+    Ok(0)
+}
+
+#[cfg(test)]
+mod day01 {
+    use super::*;
+
+    #[test]
+    fn test_result() {
+        assert_eq!(Ok(0), result());
+    }
+}

src/day02/README.md

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+# Advent of Code - Day 2
+
+## Part One
+
+TODO
+
+## Part Two
+
+TODO
+

src/day02/bin/main.rs

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+//! # Advent of Code - Day 2
+
+mod part1;
+mod part2;
+
+fn main() {
+    let _input = include_bytes!("../resources/input.txt");
+
+    println!("--- Part One ---");
+    println!("Result: {}", part1::result().unwrap());
+
+    println!("--- Part Two ---");
+    println!("Result: {}", part2::result().unwrap());
+}

src/day02/bin/part1.rs

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+//! # Advent of Code - Day 2 - Part One
+
+pub fn result() -> Result<i64, &'static str> {
+    Ok(0)
+}
+
+#[cfg(test)]
+mod day02 {
+    use super::*;
+
+    #[test]
+    fn test_result() {
+        assert_eq!(Ok(0), result());
+    }
+}

src/day02/bin/part2.rs

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+//! # Advent of Code - Day 2 - Part Two
+
+pub fn result() -> Result<i64, &'static str> {
+    Ok(0)
+}
+
+#[cfg(test)]
+mod day02 {
+    use super::*;
+
+    #[test]
+    fn test_result() {
+        assert_eq!(Ok(0), result());
+    }
+}

src/day03/README.md

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+# Advent of Code - Day 3
+
+## Part One
+
+TODO
+
+## Part Two
+
+TODO
+

src/day03/bin/main.rs

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+//! # Advent of Code - Day 3
+
+mod part1;
+mod part2;
+
+fn main() {
+    let _input = include_bytes!("../resources/input.txt");
+
+    println!("--- Part One ---");
+    println!("Result: {}", part1::result().unwrap());
+
+    println!("--- Part Two ---");
+    println!("Result: {}", part2::result().unwrap());
+}

src/day03/bin/part1.rs

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+//! # Advent of Code - Day 3 - Part One
+
+pub fn result() -> Result<i64, &'static str> {
+    Ok(0)
+}
+
+#[cfg(test)]
+mod day03 {
+    use super::*;
+
+    #[test]
+    fn test_result() {
+        assert_eq!(Ok(0), result());
+    }
+}

src/day03/bin/part2.rs

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+//! # Advent of Code - Day 3 - Part Two
+
+pub fn result() -> Result<i64, &'static str> {
+    Ok(0)
+}
+
+#[cfg(test)]
+mod day03 {
+    use super::*;
+
+    #[test]
+    fn test_result() {
+        assert_eq!(Ok(0), result());
+    }
+}

src/day04/README.md

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+# Advent of Code - Day 4
+
+## Part One
+
+TODO
+
+## Part Two
+
+TODO
+