2020 Day 19 & 20 Complete

2020/day20/main.go

@@ -26,7 +26,9 @@ func init() {
 	}
 	for y := range monster {
 		for x := range monster[y] {
-			SeaMonster[h.Coordinate{X: x, Y: y}] = monster[y][x] == '#'
+			if monster[y][x] == '#' {
+				SeaMonster[h.Coordinate{X: x, Y: y}] = true
+			}
 		}
 	}
 }
@@ -58,12 +60,8 @@ func solve(inp []string, part int) {
 			for x := range image[y] {
 				if image[y][x] {
 					waves++
-					fmt.Print("#")
-				} else {
-					fmt.Print(" ")
 				}
 			}
-			fmt.Println()
 		}
 		fmt.Println("## Part2\nAnswer:", waves)
 	}
@@ -200,11 +198,6 @@ func buildMapFromTiles(tiles map[int]*Tile) [][]bool {
 func monsterSlayer(inp [][]bool) [][]bool {
 	var found bool
 	for r := 0; r < 8; r++ {
-		if r == 6 {
-			// This is the correct orientation
-			fmt.Println("Rotation:", r)
-			PrintMap(inp)
-		}
 		for y := range inp {
 			for x := range inp[y] {
 				match := true
@@ -232,7 +225,6 @@ func monsterSlayer(inp [][]bool) [][]bool {
 			}
 		}
 		if found {
-			fmt.Println("Found, breaking")
 			break
 		}
 		if r&1 == 0 {
@@ -284,3 +276,39 @@ func PrintMap(inp [][]bool) {
 		fmt.Println()
 	}
 }
+
+func PrintCoordMap(m map[h.Coordinate]bool) {
+	minX := h.MAX_INT
+	maxX := h.MIN_INT
+	minY := h.MAX_INT
+	maxY := h.MIN_INT
+
+	for k := range m {
+		if k.X < minX {
+			minX = k.X
+		}
+		if k.X > maxX {
+			maxX = k.X
+		}
+		if k.Y < minY {
+			minY = k.Y
+		}
+		if k.Y > maxY {
+			maxY = k.Y
+		}
+	}
+	for y := minY; y <= maxY; y++ {
+		for x := minX; x <= maxX; x++ {
+			if v, ok := m[h.Coordinate{X: x, Y: y}]; ok {
+				if v {
+					fmt.Print("#")
+				} else {
+					fmt.Print(".")
+				}
+			} else {
+				fmt.Print(".")
+			}
+		}
+		fmt.Println()
+	}
+}

2020/day20/testinput

@@ -0,0 +1,107 @@
+Tile 2311:
+..##.#..#.
+##..#.....
+#...##..#.
+####.#...#
+##.##.###.
+##...#.###
+.#.#.#..##
+..#....#..
+###...#.#.
+..###..###
+
+Tile 1951:
+#.##...##.
+#.####...#
+.....#..##
+#...######
+.##.#....#
+.###.#####
+###.##.##.
+.###....#.
+..#.#..#.#
+#...##.#..
+
+Tile 1171:
+####...##.
+#..##.#..#
+##.#..#.#.
+.###.####.
+..###.####
+.##....##.
+.#...####.
+#.##.####.
+####..#...
+.....##...
+
+Tile 1427:
+###.##.#..
+.#..#.##..
+.#.##.#..#
+#.#.#.##.#
+....#...##
+...##..##.
+...#.#####
+.#.####.#.
+..#..###.#
+..##.#..#.
+
+Tile 1489:
+##.#.#....
+..##...#..
+.##..##...
+..#...#...
+#####...#.
+#..#.#.#.#
+...#.#.#..
+##.#...##.
+..##.##.##
+###.##.#..
+
+Tile 2473:
+#....####.
+#..#.##...
+#.##..#...
+######.#.#
+.#...#.#.#
+.#########
+.###.#..#.
+########.#
+##...##.#.
+..###.#.#.
+
+Tile 2971:
+..#.#....#
+#...###...
+#.#.###...
+##.##..#..
+.#####..##
+.#..####.#
+#..#.#..#.
+..####.###
+..#.#.###.
+...#.#.#.#
+
+Tile 2729:
+...#.#.#.#
+####.#....
+..#.#.....
+....#..#.#
+.##..##.#.
+.#.####...
+####.#.#..
+##.####...
+##..#.##..
+#.##...##.
+
+Tile 3079:
+#.#.#####.
+.#..######
+..#.......
+######....
+####.#..#.
+.#...#.##.
+#.#####.##
+..#.###...
+..#.......
+..#.###...