added day4 part 1

2023/day1/main.go

@@ -0,0 +1,66 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"unicode"
+)
+
+var SNUMBER = []string{"one", "two", "three", "four", "five", "six", "seven", "eight", "nine"}
+
+func readData(s string) []string {
+	var result []string
+	fileReader, err := os.Open(s)
+	if err != nil {
+		return nil
+	}
+	lines := bufio.NewScanner(fileReader)
+	lines.Split(bufio.ScanLines)
+	for lines.Scan() {
+		result = append(result, lines.Text())
+	}
+	return result
+}
+func getRealDigits(s string) []int {
+	var result []int
+
+	return result
+
+}
+func getDigits(s string) []int {
+	var result []int
+	a := []rune(s)
+	for _, r := range a {
+		if unicode.IsDigit(r) {
+			result = append(result, int(r-'0'))
+		}
+	}
+	return result
+}
+func main() {
+	fmt.Println("Goo Fast!")
+	//Part1()
+	Part2()
+}
+func Part1() {
+	data := readData("./data")
+	var result int
+	for _, line := range data {
+		d := getDigits(line)
+		fmt.Println(line)
+		number := d[0]*10 + d[len(d)-1]
+		result += number
+	}
+	fmt.Println("the result of part 1 is: ", result)
+}
+func Part2() {
+	data := readData("./test-data")
+	var result int
+	for _, line := range data {
+		d := getDigits(line)
+		fmt.Println(line)
+		number := d[0]*10 + d[len(d)-1]
+		result += number
+	}
+}