Scaffold d21

Author: mnvr

21.swift

@@ -0,0 +1,14 @@
+// The Garden of Forking Paths
+//
+// Part 1: Do a BFS to find all reachable nodes within 64 steps.
+
+func readInput() -> [[Character]] {
+    var result: [[Character]] = []
+    while let line = readLine() {
+        result.append(Array(line))
+    }
+    return result
+}
+
+let map = readInput()
+print(map)

examples/21-a

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+...........
+.....###.#.
+.###.##..#.
+..#.#...#..
+....#.#....
+.##..S####.
+.##..#...#.
+.......##..
+.##.#.####.
+.##..##.##.
+...........