feat(2025: add day 1 part 2

2025/day/1/part2/go.mod

@@ -0,0 +1,3 @@
+module part2
+
+go 1.23.4

2025/day/1/part2/part2.go

@@ -0,0 +1,34 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strconv"
+)
+
+func main() {
+	file, _ := os.Open("input.txt")
+	defer file.Close()
+
+	scanner := bufio.NewScanner(file)
+	current := 50
+	counter := 0
+	for scanner.Scan() {
+		line := scanner.Text()
+		direction := line[0]
+		multiplier := 1
+		if direction == 'L' {
+			multiplier = -1
+		}
+		number, _ := strconv.Atoi(line[1:])
+		for range number {
+			current += multiplier
+			current = ((current % 100) + 100) % 100
+			if current == 0 {
+				counter++
+			}
+		}
+	}
+	fmt.Printf("%d\n", counter)
+}