Day 11 done.

1 files changed, 75 insertions, 0 deletions

diff --git a/2024/go/src/day03/main.go b/2024/go/src/day03/main.go
new file mode 100644
index 0000000..11e9f47
--- /dev/null
+++ b/2024/go/src/day03/main.go
@@ -0,0 +1,75 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"regexp"
+	"strconv"
+)
+
+func FileRead(path string) string {
+	file, err := os.ReadFile(path)
+	if err != nil {
+		fmt.Println("Couldn't Read file: ", err)
+	}
+	return string(file)
+
+}
+
+func solve_part_one(data string) int {
+	pattern := `mul\((\d+),(\d+)\)`
+	regex := regexp.MustCompile(pattern)
+
+	// FindStringSubmatch returns the full match and all capture groups
+	matches := regex.FindAllStringSubmatch(data, -1)
+
+	ans := 0
+
+	// Iterate over all matches
+	for _, match := range matches {
+		// fmt.Printf("Match %d:\n", i+1)
+		// fmt.Println("  Full match:", match[0]) // Entire match
+		left, _ := strconv.Atoi(match[1])
+		right, _ := strconv.Atoi(match[2])
+		ans += left * right
+	}
+	return ans
+}
+
+func solve_part_two(data string) int {
+	pattern := `mul\((\d+),(\d+)\)|don't\(\)|do\(\)`
+	regex := regexp.MustCompile(pattern)
+
+	// FindStringSubmatch returns the full match and all capture groups
+	matches := regex.FindAllStringSubmatch(data, -1)
+
+	ans := 0
+	enabled := true
+
+	// Iterate over all matches
+	for _, match := range matches {
+		left, _ := strconv.Atoi(match[1])
+		right, _ := strconv.Atoi(match[2])
+		if match[0] == "don't()" {
+			enabled = false
+		} else if match[0] == "do()" {
+			enabled = true
+		}
+		if enabled {
+			ans += left * right
+		}
+	}
+	return ans
+}
+
+func main() {
+	test := FileRead("../input/day03.test")
+	test_2 := FileRead("../input/day03_2.test")
+	prod := FileRead("../input/day03.prod")
+	// Define the regex pattern with capture groups
+
+	fmt.Println("Part_1 test: ", solve_part_one(test))
+	fmt.Println("Part_1 prod: ", solve_part_one(prod))
+	fmt.Println("Part_2 test: ", solve_part_two(test_2))
+	fmt.Println("Part_2 prod: ", solve_part_two(prod))
+}