day two, readme

README.md

@@ -0,0 +1,3 @@
+# Advent of Code 2022
+
+My solutions to the [Advent of Code 2022](https://adventofcode.com/2022) puzzles, written in Golang.

dayone.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	"fmt"
 	"math"
 	"strconv"
 	"strings"
@@ -44,47 +43,3 @@ func dayOne(input string) (maxCalories int) {
 
 	return
 }
-
-func main() {
-	var result int;
-	var input string;
-
-	input =
-		`1000
-		2000
-		3000
-
-		4000
-
-		5000
-		6000
-
-		7000
-		8000
-		9000
-
-		10000`
-
-	result = dayOne(input)
-
-	fmt.Println(result)
-
-	input =
-	`
-	245
-	256
-	939
-
-	-12039
-
-
-	4949
-
-	2
-	2
-	2
-	`
-
-	result = dayOne(input)
-	fmt.Println(result)
-}

daytwo.go

@@ -0,0 +1,77 @@
+package main
+
+import (
+	"fmt"
+	"strings"
+)
+
+func contains(s []string, e string) bool {
+	for _, a := range s {
+		if strings.EqualFold(a, e) {
+			return true
+		}
+	}
+	return false
+}
+
+func playValueOf(s string) int {
+	fmt.Println("played value: " + s)
+	fmt.Println("last char: " + string(s[len(s)-1]))
+
+	switch string(s[len(s)-1]) {
+	case "Z":
+		return 3
+	case "Y":
+		return 2
+	case "X":
+		return 1
+	default:
+		panic("Invalid input received at func playValueOf")
+	}
+}
+
+func dayTwo(input string) int {
+	// split input by newlines
+	var eachPart = strings.Split(input, "\n")
+
+	// trim all remaining whitespace
+	for j := range eachPart {
+		eachPart[j] = strings.TrimSpace(eachPart[j])
+	}
+
+	winningResults := []string{
+		"A Y",
+		"B Z",
+		"C X",
+	}
+
+	drawResult := []string{
+		"A X",
+		"B Y",
+		"C Z",
+	}
+
+	losingResult := []string{
+		"A Z",
+		"B X",
+		"C Y",
+	}
+
+	score := 0
+
+	for i := 0; i <= 3; i++ {
+		switch true {
+			case contains(winningResults, eachPart[i]):
+				score += playValueOf(eachPart[i]) + 6
+			case contains(drawResult, eachPart[i]):
+				score += playValueOf(eachPart[i]) + 3
+			case contains(losingResult, eachPart[i]):
+				score += playValueOf(eachPart[i])
+			default:
+				score += 0
+		}
+	}
+
+	return score
+}
+

go.mod

@@ -1,3 +1,3 @@
-module github.com/innocuous-symmetry/aoc
+module advent-of-code
 
 go 1.20

main.go

@@ -0,0 +1,58 @@
+package main
+
+import (
+	"fmt"
+)
+
+func main() {
+	fmt.Println("ADVENT OF CODE 2022 SOLUTIONS -- GOLANG")
+
+	/** DAY ONE */
+	fmt.Println("\nDAY ONE")
+
+	var dayOneResult = dayOne(
+	`1000
+	2000
+	3000
+
+	4000
+
+	5000
+	6000
+
+	7000
+	8000
+	9000
+
+	10000`)
+
+	fmt.Println(dayOneResult)
+
+	dayOneResult = dayOne(
+	`245
+	256
+	939
+
+	-12039
+
+
+	4949
+
+	2
+	2
+	2`)
+
+	fmt.Println(dayOneResult)
+
+	/** DAY TWO */
+	fmt.Println("\nDAY TWO")
+
+	var dayTwoResult = dayTwo(
+		`
+		A Y
+		B X
+		C Z
+		`,
+	)
+	fmt.Println(dayTwoResult)
+}