day3 and 4

2023/go/main.go

@@ -9,6 +9,8 @@ import (
 	"adventofcode2023/utils"
 	"adventofcode2023/day01"
 	"adventofcode2023/day02"
+	"adventofcode2023/day03"
+	"adventofcode2023/day04"
 )
 // Usage: go run main.go <NN>
 // assumes input is in day<NN>/input.txt
@@ -23,6 +25,12 @@ func main() {
 	case 2:
 		fmt.Printf("part 1: %d\n", day02.Part1(utils.Readfile(d)))
 		fmt.Printf("part 2: %d\n", day02.Part2(utils.Readfile(d)))
+	case 3:
+		fmt.Printf("part 1: %d\n", day03.Part1(utils.Readfile(d)))
+		fmt.Printf("part 2: %d\n", day03.Part2(utils.Readfile(d)))
+	case 4:
+		fmt.Printf("part 1: %d\n", day04.Part1(utils.Readfile(d)))
+		fmt.Printf("part 2: %d\n", day04.Part2(utils.Readfile(d)))
 	default:
 		panic(fmt.Errorf("no such day: %d", d))
 	}
@@ -30,7 +38,7 @@ func main() {
 
 // Reads day from os.Args.
 func day() int {
-	latest := 1
+	latest := 3
 	if len(os.Args) == 1 {
 		return latest
 	}
@@ -83,5 +91,6 @@ func TestPart2(t *testing.T) {
 }
 `, n))
 	fmt.Printf("wrote day%02d/day%02d_test.go\n", n, n)
+	utils.GenInputFile(n)
 
 }