1 files changed, 99 insertions, 0 deletions
diff --git a/2024/go/src/day2/main.go b/2024/go/src/day2/main.go
new file mode 100644
index 0000000..6caad61
--- /dev/null
+++ b/2024/go/src/day2/main.go
@@ -0,0 +1,99 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"strconv"
+	"strings"
+)
+
+func FileRead(path string) string {
+	file, err := os.ReadFile(path)
+	if err != nil {
+		fmt.Println("Couldn't Read file: ", err)
+	}
+	return string(file)
+
+}
+
+func parseInput(data string) [][]int {
+	var reports [][]int
+	for _, line := range strings.Split(data, "\n") {
+		var report []int
+		if len(line) > 0 {
+			elements := strings.Split(line, " ")
+			for _, ele := range elements {
+				e, err := strconv.Atoi(ele)
+				if err != nil {
+					fmt.Println("Couldn't parse string to int ", err)
+				}
+				report = append(report, e)
+			}
+			reports = append(reports, report)
+		}
+	}
+	return reports
+}
+
+func isSafe(report []int) bool {
+	increasing := report[0] < report[1]
+	flag := true
+	for i := range len(report) - 1 {
+		if increasing {
+			diff := report[i+1] - report[i]
+			if report[i] >= report[i+1] || diff > 3 || diff < 1 {
+				flag = false
+				break
+			}
+		} else {
+			diff := report[i] - report[i+1]
+			if report[i] <= report[i+1] || diff > 3 || diff < 1 {
+				flag = false
+				break
+			}
+		}
+	}
+	return flag
+}
+
+func solve_part_one(data string) int {
+	reports := parseInput(data)
+	cnt := 0
+	for _, report := range reports {
+		if isSafe(report) {
+			cnt += 1
+		}
+	}
+	return cnt
+}
+
+func solve_part_two(data string) int {
+	reports := parseInput(data)
+	cnt := 0
+	for _, report := range reports {
+		if isSafe(report) {
+			cnt += 1
+		} else {
+			for i := range len(report) {
+				reportTmp := make([]int, len(report))
+				copy(reportTmp, report)
+				newReport := append(reportTmp[:i], reportTmp[i+1:]...)
+				if isSafe(newReport) {
+					cnt += 1
+					break
+				}
+			}
+		}
+	}
+	return cnt
+}
+
+func main() {
+	test := FileRead("../input/day_2.test")
+	prod := FileRead("../input/day_2.prod")
+
+	fmt.Println("Part_1 test: ", solve_part_one(test))
+	fmt.Println("Part_1 prod: ", solve_part_one(prod))
+	fmt.Println("Part_2 test: ", solve_part_two(test))
+	fmt.Println("Part_2 prod: ", solve_part_two(prod))
+}