Implemtend Day 01 of 2025 with Golang

2015/1/example.txt

@@ -0,0 +1 @@
+))(((((

2015/1/golang/.vscode/settings.json

@@ -0,0 +1,10 @@
+{
+    "[go]": {
+        "editor.insertSpaces": false,
+        "editor.formatOnSave": true,
+        "editor.defaultFormatter": "golang.go",
+        "editor.codeActionsOnSave": {
+            "source.organizeImports": "explicit"
+        }
+    }
+}

2015/1/golang/go.mod

@@ -0,0 +1,3 @@
+module aoc/day-1
+
+go 1.24.3

2015/1/golang/main.go

@@ -0,0 +1,55 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"strings"
+)
+
+func main() {
+	data := readFile("../input.txt")
+	characters := strings.Split(data, "")
+	part1 := part1(characters)
+	part2 := part2(characters)
+	fmt.Printf("Part 1: %d\n", part1)
+	fmt.Printf("Part 2: %d\n", part2)
+}
+
+func part1(input []string) int {
+	floorLevel := 0
+	for _, v := range input {
+		switch v {
+		case "(":
+			floorLevel += 1
+		default:
+			floorLevel -= 1
+		}
+	}
+	return floorLevel
+}
+
+func part2(input []string) int {
+	floorLevel := 0
+	position := 0
+	for i, v := range input {
+		switch v {
+		case "(":
+			floorLevel += 1
+		default:
+			floorLevel -= 1
+		}
+		if floorLevel == -1 {
+			position = i + 1
+			break
+		}
+	}
+	return position
+}
+
+func readFile(filename string) string {
+	content, err := os.ReadFile(filename)
+	if err != nil {
+		return ""
+	}
+	return string(content)
+}