re-organise repo

2022/go/day02/day02.go

@@ -0,0 +1,89 @@
+package day02
+
+import (
+	"strings"
+)
+
+func Part1(input string) int {
+	var sum int = 0
+
+	values := map[string]int{
+		"Rock":     1,
+		"Paper":    2,
+		"Scissors": 3,
+	}
+
+	translateMap := map[string]string{
+		"X": "Rock",
+		"Y": "Paper",
+		"Z": "Scissors",
+		"A": "Rock",
+		"B": "Paper",
+		"C": "Scissors",
+	}
+
+	winOn := map[string]string{
+		"Rock":     "Scissors",
+		"Paper":    "Rock",
+		"Scissors": "Paper",
+	}
+
+	lines := strings.Split(input, "\n")
+	for _, line := range lines {
+		objects := strings.Split(line, " ")
+		opponent := translateMap[objects[0]]
+		player := translateMap[objects[1]]
+		sum = sum + values[player]
+		if player == opponent {
+			sum = sum + 3
+		} else if winOn[player] == opponent {
+			sum = sum + 6
+		}
+	}
+	return sum
+}
+
+func Part2(input string) int {
+	var sum int = 0
+
+	values := map[string]int{
+		"Rock":     1,
+		"Paper":    2,
+		"Scissors": 3,
+	}
+
+	translateMap := map[string]string{
+		"X": "Lose",
+		"Y": "Draw",
+		"Z": "Win",
+		"A": "Rock",
+		"B": "Paper",
+		"C": "Scissors",
+	}
+
+	winOn := map[string]string{
+		"Rock":     "Paper",
+		"Paper":    "Scissors",
+		"Scissors": "Rock",
+	}
+
+	loseOn := map[string]string{
+		"Rock":     "Scissors",
+		"Paper":    "Rock",
+		"Scissors": "Paper",
+	}
+
+	lines := strings.Split(input, "\n")
+	for _, line := range lines {
+		objects := strings.Split(line, " ")
+		opponent := translateMap[objects[0]]
+		result := translateMap[objects[1]]
+		if result == "Draw" {
+			sum = sum + 3 + values[opponent]
+		} else if result == "Win" {
+			sum = sum + 6 + values[winOn[opponent]]
+		} else {
+			sum = sum + values[loseOn[opponent]]
+		}
+	}
+	return sum}