Day 1 & Day 2

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/AOC2022.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="Go" enabled="true" />
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/AOC2022.iml" filepath="$PROJECT_DIR$/.idea/AOC2022.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/day1" vcs="Git" />
+  </component>
+</project>

day1

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+Subproject commit 19acbd7f9a47614490ff9edf6f5ea6ee44a5f3d2

day2/day2.go

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+package main
+
+import (
+	"AOC2022/helper"
+	"fmt"
+	"os"
+)
+
+func main() {
+	args := os.Args[1:]
+	rounds := helper.ReadTextFile(args[0])
+	sum := 0
+	for _, round := range rounds {
+		sum += roundResult(int(round[0])-64, int(round[2])-87)
+	}
+	fmt.Println(sum)
+	sum = 0
+	for _, round := range rounds {
+		opponent := int(round[0]) - 64
+		neededResult := int(round[2]) - 87
+		move := generateCorrectMove(opponent, neededResult)
+		sum += roundResult(opponent, move)
+	}
+	fmt.Println(sum)
+}
+
+func roundResult(opponent, player int) int {
+	weakness := getWeakness(opponent)
+	if player == weakness {
+		return player + 6
+	}
+	if opponent == player {
+		return player + 3
+	}
+	return player + 0
+}
+
+func getWeakness(input int) int {
+	tmpWeakness := (input + 1) % 4
+	if tmpWeakness == 0 {
+		return 1
+	}
+	return tmpWeakness
+}
+
+func generateCorrectMove(opponent, neededResult int) int {
+	weakness := getWeakness(opponent)
+	if neededResult == 3 {
+		return weakness
+	}
+	if neededResult == 1 {
+		possibleMove := []int{1, 2, 3}
+		for _, x := range possibleMove {
+			if x != weakness && x != opponent {
+				return x
+			}
+		}
+	}
+	return opponent
+}

day2/testInput

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+A Y
+B X
+C Z

go.mod

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+module AOC2022
+
+go 1.18

helper/helper.go

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+package helper
+
+import (
+	"os"
+	"strings"
+)
+
+func check(e error) {
+	if e != nil {
+		panic(e)
+	}
+}
+
+func RemoveError[T any](value T, e error) T {
+	check(e)
+	return value
+}
+
+func ReadTextFile(filePath string) []string {
+	file, err := os.ReadFile(filePath)
+	check(err)
+	return strings.Split(string(file), "\r\n")
+}
+
+func FindMax[T int | int64](slice []T) (m T) {
+	for i, e := range slice {
+		if i == 0 || e > m {
+			m = e
+		}
+	}
+	return
+}
+
+func Sum[T int | int64](slice []T) (s T) {
+	for _, e := range slice {
+		s += e
+	}
+	return
+}