RezaSi
diff --git a/‎2022/Day 4: Camp Cleanup/part-1/code.go
Lines changed: 46 additions & 0 deletions b/‎2022/Day 4: Camp Cleanup/part-1/code.go
Lines changed: 46 additions & 0 deletions
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+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"strconv"
+	"strings"
+)
+
+type Period struct {
+	start int
+	end   int
+}
+
+func NewPeriod(start, end int) Period {
+	return Period{start: start, end: end}
+}
+
+func (p Period) Contains(other Period) bool {
+	return p.start >= other.start && p.end <= other.end
+}
+
+func main() {
+	bytesRead, _ := ioutil.ReadFile("input.txt")
+	fileContent := string(bytesRead)
+	lines := strings.Split(fileContent, "\n")
+
+	var result int
+
+	for _, line := range lines {
+		elves := strings.Split(line, ",")
+		var periods []Period
+		for _, elf := range elves {
+			points := strings.Split(elf, "-")
+			start, _ := strconv.Atoi(points[0])
+			end, _ := strconv.Atoi(points[1])
+			periods = append(periods, NewPeriod(start, end))
+		}
+
+		if periods[0].Contains(periods[1]) || periods[1].Contains(periods[0]) {
+			result += 1
+		}
+	}
+
+	fmt.Println(result)
+}