Add Go

data/Y22/day1/day1.go

@@ -0,0 +1,56 @@
+package Y22
+
+import (
+	"adventofcode/src-go/helpers"
+	"sort"
+	"strconv"
+)
+
+func Day1() helpers.DayResults {
+	day1Example := helpers.ReadFileByLine("data/Y22/day1/example.txt")
+	day1 := helpers.ReadFileByLine("data/Y22/day1/data.txt")
+
+	calorieCount := calculateCalories(day1Example)
+	part1Example := calorieCount[len(calorieCount)-1]
+	part2Example := calorieCount[len(calorieCount)-1] + calorieCount[len(calorieCount)-2] + calorieCount[len(calorieCount)-3]
+
+	calorieCount = calculateCalories(day1)
+	part1Result := calorieCount[len(calorieCount)-1]
+	part2Result := calorieCount[len(calorieCount)-1] + calorieCount[len(calorieCount)-2] + calorieCount[len(calorieCount)-3]
+
+	results := helpers.DayResults{
+		Day:          1,
+		Year:         2022,
+		Part1Example: part1Example,
+		Part1:        part1Result,
+		Part2Example: part2Example,
+		Part2:        part2Result,
+	}
+
+	return results
+}
+
+func calculateCalories(data []string) []int {
+	var calorieCount []int
+	total := 0
+	for _, line := range data {
+		if line == "" {
+			calorieCount = append(calorieCount, total)
+			total = 0
+			continue
+		}
+
+		val, err := strconv.Atoi(line)
+		if err != nil {
+			panic(err)
+		}
+
+		total += val
+	}
+
+	sort.Slice(calorieCount, func(i, j int) bool {
+		return calorieCount[i] < calorieCount[j]
+	})
+
+	return calorieCount
+}