init

2023/day2/p2/main.go

@@ -0,0 +1,52 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strconv"
+	"strings"
+)
+
+func main() {
+	file, _ := os.Open("./input.text")
+	defer file.Close()
+
+	scanner := bufio.NewScanner(file)
+
+	sum := 0
+
+	for scanner.Scan() {
+		line := strings.Split(scanner.Text(), ":")
+
+		draws := strings.Split(line[1], ";")
+
+		max_red := 0
+		max_green := 0
+		max_blue := 0
+
+		for _, draw := range draws {
+
+			cubes := strings.Split(draw, ",")
+			for _, cube := range cubes {
+				v := strings.Fields(cube)
+				value, _ := strconv.Atoi(v[0])
+				color := v[1]
+
+				if color == "red" && value > max_red {
+					max_red = value
+				}
+				if color == "green" && value > max_green {
+					max_green = value
+				}
+				if color == "blue" && value > max_blue {
+					max_blue = value
+				}
+			}
+		}
+
+		sum += max_red * max_green * max_blue
+	}
+
+	fmt.Println("Sum of the minimum power of all games:", sum)
+}