diff --git a/day2/day2.go b/day2/day2.go new file mode 100644 index 0000000..acee5d9 --- /dev/null +++ b/day2/day2.go @@ -0,0 +1,87 @@ +package day2 + +import ( + "fmt" + "regexp" + "strconv" + "strings" +) + +func puzzleCount(lines []string) int { + result := 0 + prevResult := 0 + var re1 = regexp.MustCompile(`(?m)Game ([0-9]+):(.*)`) + + for _, l := range lines { + matches := re1.FindStringSubmatch(l) + + game, _ := strconv.Atoi(matches[1]) + prevResult = result + result += game + restOfLine := matches[2] + + sets := strings.Split(restOfLine, ";") + + for _, s := range sets { + draws := strings.Split(s, ",") + for _, d := range draws { + colors := strings.Split(strings.TrimSpace(d), " ") + n, _ := strconv.Atoi(colors[0]) + c := colors[1] + + switch c { + case "red": + if n > 12 { + fmt.Println("-----------> ", game) + result = prevResult + } + case "green": + if n > 13 { + fmt.Println("-----------> ", game) + result = prevResult + } + case "blue": + if n > 14 { + fmt.Println("-----------> ", game) + result = prevResult + } + } + } + } + } + + return result +} + +func puzzlePower(lines []string) int { + result := 0 + var re1 = regexp.MustCompile(`(?m)Game ([0-9]+):(.*)`) + + for _, l := range lines { + matches := re1.FindStringSubmatch(l) + + restOfLine := matches[2] + + sets := strings.Split(restOfLine, ";") + + minimums := map[string]int{"red": 1, "green": 1, "blue": 1} + + for _, s := range sets { + draws := strings.Split(s, ",") + for _, d := range draws { + colors := strings.Split(strings.TrimSpace(d), " ") + n, _ := strconv.Atoi(colors[0]) + c := colors[1] + + if n > minimums[c] { + minimums[c] = n + } + } + } + + power := minimums["red"] * minimums["green"] * minimums["blue"] + result += power + } + + return result +} diff --git a/day2/day2_test.go b/day2/day2_test.go new file mode 100644 index 0000000..6cbfb2f --- /dev/null +++ b/day2/day2_test.go @@ -0,0 +1,57 @@ +package day2 + +import ( + "testing" + + "gitea.paas.celticinfo.fr/oabrivard/aoc2023/utils" +) + +func TestPuzzleCount(t *testing.T) { + lines := []string{ + "Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green", + "Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue", + "Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red", + "Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red", + "Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green", + } + + result := puzzleCount(lines) + + if result != 8 { + t.Fatalf("expected 8, got %d", result) + } +} + +func TestPuzzleCountWithInput(t *testing.T) { + lines := utils.ReadLines("input.txt") + result := puzzleCount(lines) + + if result != 2377 { + t.Fatalf("expected 2377, got %d", result) + } +} + +func TestPuzzlePower(t *testing.T) { + lines := []string{ + "Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green", + "Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue", + "Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red", + "Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red", + "Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green", + } + + result := puzzlePower(lines) + + if result != 2286 { + t.Fatalf("expected 2286, got %d", result) + } +} + +func TestPuzzlePowerWithInput(t *testing.T) { + lines := utils.ReadLines("input.txt") + result := puzzlePower(lines) + + if result != 71220 { + t.Fatalf("expected 71220, got %d", result) + } +} diff --git a/day2/input.txt b/day2/input.txt new file mode 100644 index 0000000..1f1488b --- /dev/null +++ b/day2/input.txt @@ -0,0 +1,100 @@ +Game 1: 1 green, 1 blue, 1 red; 3 green, 1 blue, 1 red; 4 green, 3 blue, 1 red; 4 green, 2 blue, 1 red; 3 blue, 3 green +Game 2: 9 blue, 7 red; 5 blue, 6 green, 1 red; 2 blue, 10 red, 9 green; 3 green, 14 red, 5 blue; 8 red, 3 blue, 4 green; 8 green, 14 blue, 10 red +Game 3: 11 green, 8 blue, 7 red; 3 green, 4 red, 9 blue; 3 red, 4 green, 8 blue; 11 green, 1 red, 16 blue +Game 4: 3 blue, 20 green, 2 red; 1 green, 3 red, 3 blue; 1 blue, 9 green; 4 red, 17 green; 12 green, 3 red +Game 5: 2 red, 1 blue, 4 green; 6 blue, 2 green; 2 red, 5 green +Game 6: 1 green, 7 red; 1 blue, 3 green, 1 red; 1 blue, 2 red, 2 green; 1 blue, 1 green, 2 red; 3 red; 8 red, 1 green, 1 blue +Game 7: 13 green, 5 blue, 1 red; 9 green, 6 blue; 11 green, 2 blue, 2 red +Game 8: 2 red, 11 green, 6 blue; 5 green, 3 blue; 3 blue, 3 green, 5 red; 5 blue, 9 green, 1 red +Game 9: 3 blue, 5 green, 8 red; 4 green, 19 blue, 4 red; 4 red, 17 blue +Game 10: 2 green, 8 red, 4 blue; 1 green, 5 red, 9 blue; 3 green, 2 red, 4 blue; 2 green, 5 red, 2 blue; 6 green, 4 blue; 10 blue, 8 green, 8 red +Game 11: 3 green, 1 blue, 9 red; 2 blue, 1 red, 9 green; 1 blue, 9 green, 7 red; 8 red, 6 green +Game 12: 5 green; 8 green, 7 red, 1 blue; 8 blue, 8 green, 14 red; 6 red, 14 green; 14 green, 3 red, 8 blue +Game 13: 7 red, 2 green, 4 blue; 5 red, 3 blue, 8 green; 10 green, 1 red, 4 blue; 7 green, 1 red, 13 blue; 11 green, 12 blue, 2 red +Game 14: 9 green, 4 red; 7 green, 4 blue, 5 red; 2 red, 2 green; 3 green, 2 red, 8 blue; 7 green, 6 red, 8 blue +Game 15: 19 blue, 1 green; 1 red, 5 blue; 3 green, 8 blue; 1 red, 13 blue, 3 green +Game 16: 8 red, 11 blue, 3 green; 14 green, 1 red, 12 blue; 6 green, 1 red, 6 blue; 1 red, 6 blue, 17 green; 2 green, 8 blue, 3 red +Game 17: 3 red, 1 blue; 1 blue, 2 red, 1 green; 1 red; 3 red, 2 green +Game 18: 8 green, 2 red; 1 blue, 6 red; 8 green, 7 red, 2 blue; 1 red; 6 green, 1 blue, 3 red +Game 19: 4 blue, 2 green; 4 green, 18 blue, 2 red; 14 green, 4 blue; 1 red, 3 blue, 18 green; 11 blue, 3 red; 14 green, 4 red, 6 blue +Game 20: 7 blue; 1 blue, 6 green, 1 red; 1 red, 3 blue, 10 green; 7 green, 4 blue, 1 red; 6 green, 6 blue, 1 red; 1 red, 5 blue, 17 green +Game 21: 11 blue, 9 red; 8 red, 2 blue; 2 red, 11 blue, 2 green +Game 22: 4 green, 9 blue, 2 red; 2 blue, 8 green; 2 green, 2 red, 6 blue +Game 23: 7 green, 7 blue; 6 blue, 11 green; 1 red, 14 green; 15 green, 4 blue, 1 red; 1 red, 5 blue, 3 green; 1 red, 1 blue, 13 green +Game 24: 5 green, 2 red, 2 blue; 1 blue, 3 green, 2 red; 2 blue, 7 green, 3 red +Game 25: 16 red, 8 green; 2 red, 3 blue; 10 green, 5 red, 4 blue; 9 red, 7 green; 7 red, 6 blue +Game 26: 3 red, 1 green; 5 red, 1 blue, 10 green; 8 red, 5 green +Game 27: 3 red, 2 blue; 6 red, 8 green; 5 green, 13 red, 2 blue; 4 red, 1 blue, 8 green; 14 red, 1 blue, 3 green; 2 red, 1 green, 2 blue +Game 28: 9 red, 10 blue; 9 red, 9 blue; 1 green, 6 red, 4 blue; 12 blue, 3 green, 2 red; 2 green, 12 red, 8 blue +Game 29: 4 red, 15 blue; 5 blue, 3 green, 6 red; 1 green, 9 blue, 1 red; 5 green, 8 red, 1 blue +Game 30: 4 green, 2 blue, 10 red; 1 red, 5 green, 6 blue; 15 red, 2 blue; 5 green, 10 red, 8 blue +Game 31: 6 green, 2 blue, 2 red; 5 green, 6 red, 6 blue; 3 blue, 5 red, 1 green; 4 green, 6 red, 9 blue; 4 red; 3 green, 1 red, 3 blue +Game 32: 8 green, 17 red, 17 blue; 11 red, 6 green, 13 blue; 14 red, 1 green, 1 blue; 1 green, 17 red, 4 blue; 5 green, 14 red, 15 blue; 15 blue, 8 green +Game 33: 2 red, 14 blue; 3 blue, 17 red, 4 green; 9 blue, 8 red; 5 red, 2 blue; 4 green, 16 red, 5 blue; 15 blue, 6 green, 17 red +Game 34: 12 green, 2 red, 1 blue; 3 blue, 9 red, 13 green; 2 blue, 17 green, 6 red; 6 green, 4 red, 3 blue; 2 red, 1 blue; 7 green, 3 blue, 7 red +Game 35: 4 blue, 5 red, 5 green; 6 green, 12 red, 6 blue; 3 green, 18 red, 2 blue; 13 red, 6 green, 9 blue; 3 green, 10 blue, 17 red; 1 green, 3 blue, 16 red +Game 36: 4 green, 3 blue, 1 red; 3 green, 3 red, 10 blue; 1 red, 8 green, 8 blue; 3 blue, 1 red; 2 red, 2 blue, 14 green +Game 37: 16 blue, 1 green; 9 blue; 7 red, 13 blue +Game 38: 6 green, 8 red, 3 blue; 5 blue, 4 green, 6 red; 5 blue, 4 green; 5 red, 3 green, 1 blue; 6 green, 4 blue, 15 red +Game 39: 10 blue, 4 green; 1 blue, 7 green, 5 red; 8 red, 2 blue +Game 40: 2 blue, 2 green, 6 red; 8 green, 4 red, 2 blue; 4 blue, 12 green, 6 red +Game 41: 4 green, 2 blue, 11 red; 6 red, 11 green; 4 blue, 2 red, 19 green; 3 green, 2 blue, 1 red +Game 42: 2 blue, 2 green, 4 red; 1 red, 4 blue, 8 green; 5 red, 2 blue, 15 green; 10 green, 5 red, 1 blue; 10 green, 1 blue; 2 blue +Game 43: 10 red, 19 green, 11 blue; 11 green, 1 red, 2 blue; 13 red, 6 blue, 3 green; 12 red, 10 green; 5 red, 19 green, 8 blue; 2 red, 10 green, 3 blue +Game 44: 7 blue, 8 red; 1 green, 12 red; 19 red, 3 green, 5 blue +Game 45: 12 red; 2 green, 5 red, 3 blue; 10 green, 2 blue, 4 red; 10 green, 7 red +Game 46: 4 blue, 4 red, 2 green; 7 green, 6 blue; 6 blue, 1 red, 4 green +Game 47: 4 green, 8 red, 1 blue; 4 green, 1 blue, 11 red; 14 red, 3 blue, 10 green; 15 green, 2 blue, 7 red +Game 48: 6 blue, 3 green, 1 red; 15 blue, 11 red, 3 green; 17 blue, 14 red; 2 green, 13 red; 5 red, 2 green, 4 blue +Game 49: 7 blue, 1 green; 8 red, 2 blue, 1 green; 1 red, 1 green, 2 blue; 3 red, 2 blue, 1 green +Game 50: 13 red, 2 green, 2 blue; 13 red, 6 green, 1 blue; 12 red, 8 green; 1 red, 3 green; 13 red; 2 blue, 11 red, 2 green +Game 51: 7 green, 4 blue, 2 red; 3 red, 7 green, 5 blue; 10 green, 2 blue; 14 green, 3 red, 4 blue; 2 blue, 2 red, 10 green +Game 52: 7 blue, 10 red; 7 red, 4 blue, 8 green; 12 red, 4 blue, 7 green; 7 green, 7 red; 17 green, 11 blue, 6 red; 8 green, 8 red, 18 blue +Game 53: 6 green, 2 red; 10 red, 13 green; 2 blue, 3 green, 5 red; 4 red, 4 green; 8 green, 1 red; 13 green, 2 blue, 10 red +Game 54: 5 red, 9 green, 5 blue; 6 red, 15 green, 10 blue; 8 blue, 3 green, 1 red; 12 blue, 3 red, 13 green +Game 55: 10 green, 4 red, 2 blue; 2 green, 1 red, 2 blue; 2 blue, 4 red, 8 green; 5 blue, 3 green +Game 56: 7 green, 9 red, 2 blue; 4 red, 1 blue, 3 green; 3 red, 4 blue, 6 green; 7 green, 2 red; 5 blue, 2 red, 3 green; 7 green, 7 red, 5 blue +Game 57: 11 blue, 5 green, 6 red; 18 red, 15 green, 10 blue; 5 green, 14 red, 6 blue; 1 green, 11 red, 7 blue; 11 blue, 7 red, 12 green +Game 58: 9 red, 6 blue, 6 green; 6 blue, 12 red, 3 green; 8 red, 1 blue, 20 green; 3 green, 3 red, 15 blue; 4 blue, 15 green, 3 red +Game 59: 18 red, 4 blue, 7 green; 11 blue, 19 red, 7 green; 10 red, 9 blue, 1 green; 8 red, 12 green, 4 blue; 6 green, 5 blue, 12 red; 2 blue, 14 green, 2 red +Game 60: 1 blue, 9 green, 6 red; 1 red, 1 blue, 13 green; 15 green, 4 red; 1 blue, 2 red, 15 green +Game 61: 9 green, 3 red, 2 blue; 1 green, 5 blue, 10 red; 17 red, 9 green, 5 blue; 10 red, 5 green, 5 blue +Game 62: 4 red, 2 green; 2 red; 5 red, 2 green, 2 blue; 3 green, 1 blue; 2 blue, 3 red, 3 green +Game 63: 4 red, 6 blue, 2 green; 3 green, 1 red, 5 blue; 7 blue, 5 green +Game 64: 8 blue, 12 red; 1 green, 6 red, 14 blue; 12 red, 13 blue +Game 65: 2 red, 8 green; 1 blue, 2 red, 5 green; 2 blue, 3 green; 1 green, 1 red +Game 66: 6 red, 8 blue, 2 green; 6 blue, 7 green; 7 green, 11 blue; 5 green, 4 red, 10 blue; 5 blue, 4 green; 6 blue, 6 green, 5 red +Game 67: 12 green, 4 red; 2 blue, 11 green, 6 red; 9 red, 2 green, 6 blue; 2 red, 8 blue, 18 green; 17 green, 7 blue, 6 red; 12 blue, 9 green +Game 68: 3 red, 9 blue, 1 green; 3 green, 11 blue; 12 blue, 9 red; 6 red, 13 green, 8 blue +Game 69: 3 red, 8 green, 3 blue; 6 green, 3 red; 11 green, 3 blue; 4 red, 3 green; 7 green, 4 blue, 6 red; 1 red, 2 blue +Game 70: 6 green, 4 blue; 7 red, 9 green, 14 blue; 12 red; 9 green, 10 red; 6 green, 16 blue, 8 red +Game 71: 4 blue, 6 red, 9 green; 6 green, 2 red; 8 green, 4 blue, 2 red; 1 red, 3 blue, 8 green; 9 green, 3 red, 3 blue; 4 red, 6 green +Game 72: 3 red, 3 green, 3 blue; 4 red, 1 green, 3 blue; 2 red, 2 green, 1 blue +Game 73: 7 green, 6 red, 7 blue; 2 green, 4 blue; 2 blue, 15 green, 4 red; 1 blue, 4 green, 2 red; 7 blue, 14 green +Game 74: 4 green, 2 red, 2 blue; 9 blue, 13 green, 4 red; 10 green, 12 blue, 7 red; 4 blue, 8 green, 7 red +Game 75: 3 red, 3 green; 3 green, 12 red; 18 red, 2 blue; 3 green, 9 red, 1 blue; 14 red, 1 green; 15 red +Game 76: 1 blue, 7 red, 8 green; 3 blue, 4 red, 1 green; 6 green, 6 red +Game 77: 2 green, 8 red; 5 green, 11 red, 1 blue; 5 red, 2 blue, 2 green; 6 red, 5 green, 2 blue; 11 red, 2 green, 1 blue; 2 red, 8 green, 2 blue +Game 78: 1 blue, 4 red, 10 green; 13 green, 4 red, 9 blue; 12 green, 6 blue, 3 red; 5 blue, 8 green, 6 red +Game 79: 9 red, 1 blue, 17 green; 9 green, 6 red; 15 green, 1 blue, 9 red; 1 blue, 8 red, 12 green; 11 green, 1 blue, 1 red +Game 80: 3 red, 3 blue, 1 green; 1 blue, 8 green; 10 green, 16 blue +Game 81: 15 blue, 2 red; 1 red, 8 blue; 2 green, 7 red, 11 blue; 19 blue, 8 red, 2 green; 20 red, 19 blue +Game 82: 3 red, 17 blue, 9 green; 10 red, 2 green, 17 blue; 13 red, 3 blue, 10 green; 11 red, 10 green, 18 blue; 1 green, 12 blue, 9 red; 3 red, 10 blue, 8 green +Game 83: 4 green, 2 blue, 14 red; 7 red, 2 blue, 7 green; 16 red, 7 green; 16 red, 2 green; 3 blue, 4 green, 15 red; 6 red, 1 blue, 4 green +Game 84: 4 blue, 1 green, 2 red; 7 blue, 6 red; 1 blue, 4 red, 3 green +Game 85: 5 blue, 1 red, 4 green; 14 blue, 7 green; 9 blue, 1 red, 7 green; 15 blue, 9 green; 8 blue, 6 green, 1 red +Game 86: 12 red, 12 blue, 7 green; 16 red, 11 green, 4 blue; 14 blue, 8 green, 8 red; 2 blue, 15 red, 6 green; 1 green, 6 red, 5 blue; 11 blue, 9 green +Game 87: 4 blue, 2 green, 6 red; 8 red, 3 green, 5 blue; 10 red, 1 green; 1 green, 3 blue, 1 red +Game 88: 2 green, 2 red, 4 blue; 4 blue, 4 green, 12 red; 2 green, 3 blue, 4 red; 2 green, 2 blue, 12 red; 4 blue, 8 red, 2 green +Game 89: 13 blue, 1 red, 5 green; 8 green, 16 blue, 5 red; 12 green, 2 red, 18 blue +Game 90: 7 red, 11 blue, 1 green; 8 green, 13 blue; 7 green, 16 blue; 5 green, 13 red, 11 blue; 5 blue, 10 green, 3 red +Game 91: 1 blue; 1 blue, 3 green; 1 green, 2 red +Game 92: 16 red, 4 blue, 14 green; 15 red, 7 blue, 13 green; 7 green, 13 red, 8 blue; 4 blue, 9 red, 5 green; 6 red, 7 blue, 8 green; 14 green, 7 red, 10 blue +Game 93: 2 red, 6 blue, 7 green; 8 green, 3 red, 10 blue; 1 green, 4 red; 2 red, 2 green; 8 blue, 7 green +Game 94: 2 green, 3 blue, 5 red; 10 blue; 1 green, 7 red; 3 blue, 1 green, 12 red +Game 95: 13 blue, 5 red; 9 blue, 3 red, 7 green; 10 green, 4 red, 12 blue; 14 blue; 7 green, 2 blue, 1 red +Game 96: 5 red, 2 blue; 4 red; 1 green, 2 blue +Game 97: 9 red, 10 green, 3 blue; 2 green, 15 red, 1 blue; 2 blue, 16 green, 16 red; 8 green, 14 red; 16 red +Game 98: 18 green, 16 red, 1 blue; 3 red, 2 blue, 20 green; 1 blue, 20 green, 14 red; 14 red, 2 green +Game 99: 7 red, 9 green, 5 blue; 6 blue, 1 green; 4 green, 5 blue, 1 red; 8 green, 6 red, 7 blue; 1 blue, 2 red, 9 green +Game 100: 10 blue, 2 red; 7 green, 20 blue, 9 red; 8 red, 6 green, 2 blue