add 2024/day1

2024/helper/input.go

@@ -0,0 +1,39 @@
+package helper
+
+import (
+	"bufio"
+	"log"
+	"os"
+	"path/filepath"
+	"strconv"
+	"strings"
+)
+
+const INPUT_FILE = "input"
+
+func GetLines() *bufio.Scanner {
+	wd, err := os.Getwd()
+	filePath := filepath.Join(wd, INPUT_FILE)
+
+	file, err := os.Open(filePath)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	return bufio.NewScanner(file)
+}
+
+func ReadLinesTwoIntSlices() (list_a []int, list_b []int) {
+	scanner := GetLines()
+	for scanner.Scan() {
+		parts := strings.Fields(scanner.Text())
+
+		value_a, _ := strconv.Atoi(parts[0])
+		value_b, _ := strconv.Atoi(parts[1])
+
+		list_a = append(list_a, value_a)
+		list_b = append(list_b, value_b)
+	}
+
+	return list_a, list_b
+}