Rename folders

01/main.go

@@ -0,0 +1,71 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strconv"
+	"strings"
+  "slices"
+)
+
+func totalDistance(firstList, secondList []int) int {
+  slices.Sort(firstList)
+  slices.Sort(secondList)
+//  fmt.Println(thirdList)
+  result := 0
+  for i := range firstList {
+    if firstList[i] > secondList[i] {
+      result = result + firstList[i] - secondList[i]
+    } else {
+      result = result + secondList[i] - firstList[i]
+    }
+  }
+  return result
+}
+
+func similarityScore(firstList, secondList []int) int {
+  result := 0
+  appearances := []int{}
+  for i:=range firstList {
+    count := 0
+    for j:=range secondList {
+      if firstList[i] == secondList[j] {
+        count = count + 1
+      }
+    }
+    appearances = append(appearances, count)
+    result = result + firstList[i] * count
+  }
+  return result
+}
+
+func main() {
+	filePath := "input"
+	file, err := os.Open(filePath)
+	if err != nil {
+		fmt.Printf("Error opening file: %v\n", err)
+		return
+	}
+	defer file.Close()
+	var firstList []int
+	var secondList []int
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		// Split the line into parts
+		line := scanner.Text()
+		parts := strings.Fields(line) // Fields splits by whitespace
+		// Convert parts to integers
+		first, err1 := strconv.Atoi(parts[0])
+		second, err2 := strconv.Atoi(parts[1])
+		if err1 != nil || err2 != nil {
+			fmt.Printf("Error parsing numbers on line: %s\n", line)
+			continue
+		}
+		firstList = append(firstList, first)
+		secondList = append(secondList, second)
+	}
+  fmt.Println(totalDistance(firstList, secondList))
+  fmt.Println(similarityScore(firstList, secondList))
+}
+