2024: Add solution for Day 20

Author: dcoles

2024/README.md

@@ -29,7 +29,7 @@ cargo run --bin day01
 17. [](day17)
 18. [RAM Run](day18) 🌟🌟
 19. [Linen Layout](day19) 🌟🌟
-20. [](day20)
+20. [Race Condition](day20) 🌟🌟
 21. [](day21)
 22. [](day22)
 23. [](day23)

2024/day20/Cargo.toml

@@ -6,3 +6,4 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+lib.workspace = true

2024/day20/example1.txt

@@ -0,0 +1,15 @@
+###############
+#...#...#.....#
+#.#.#.#.#.###.#
+#S#...#.#.#...#
+#######.#.#.###
+#######.#.#...#
+#######.#.###.#
+###..E#...#...#
+###.#######.###
+#...###...#...#
+#.#####.#.###.#
+#.#...#.#.#...#
+#.#.#.#.#.#.###
+#...#...#...###
+###############