perk11
diff --git a/‎2024/day1/day1.go
Lines changed: 36 additions & 0 deletions b/‎2024/day1/day1.go
Lines changed: 36 additions & 0 deletions
@@ -0,0 +1,36 @@
+package main
+
+import (
+	"fmt"
+	"math"
+	"os"
+	"slices"
+	"strconv"
+	"strings"
+)
+
+func main() {
+	filenames := []string{"testInput", "input"}
+	for _, fileName := range filenames {
+		fileContents, err := os.ReadFile(fileName)
+		if err != nil {
+			panic(err)
+		}
+		fmt.Println(fileName)
+		lines := strings.Split(string(fileContents), "\n")
+		list1 := make([]int, len(lines))
+		list2 := make([]int, len(lines))
+		for index, line := range lines {
+			split := strings.Fields(line)
+			list1[index], _ = strconv.Atoi(strings.Trim(split[0], " "))
+			list2[index], _ = strconv.Atoi(strings.Trim(split[1], " "))
+		}
+		slices.Sort(list1)
+		slices.Sort(list2)
+		var difference int = 0
+		for index, _ := range list1 {
+			difference += int(math.Abs(float64(list1[index] - list2[index])))
+		}
+		println(difference)
+	}
+}