day 20a incomplete

day20/20a/main.go

@@ -0,0 +1,78 @@
+package main
+
+import (
+	"AdventOfCode2021/shared"
+	"bufio"
+	"fmt"
+	"os"
+	"strconv"
+)
+
+func main() {
+	//content := returnContent("../input")
+	content := returnContent("../testInput")
+
+	fmt.Println(*content)
+
+	key := (*content)[0]
+
+	input := [][]int{}
+
+	for i := 2; i < len(*content); i++ {
+		input = append(input, (*content)[i])
+	}
+
+	for x := 1; x < len(input)-1; x++ {
+		for y := 1; y < len(input[0]); y++ {
+			binary := GetSurroundingValue(&input, x, y)
+			newValue := shared.BinaryToInteger(&binary)
+
+			fmt.Println(newValue, key[newValue])
+
+		}
+	}
+
+}
+
+func GetSurroundingValue(input *[][]int, xVal int, yVal int) (binary string) {
+	for x := xVal - 1; x <= xVal+1; x++ {
+		for y := yVal - 1; y <= yVal+1; y++ {
+			binary += strconv.Itoa((*input)[x][y])
+		}
+	}
+	return
+}
+
+func returnContent(path string) *[][]int {
+	//read file and return it as an array of integers
+
+	file, err := os.Open(path)
+	var content [][]int
+
+	if err != nil {
+		fmt.Println("Unlucky, the file didn't open")
+		return &content
+	}
+	defer file.Close()
+
+	scanner := bufio.NewScanner(file)
+
+	for scanner.Scan() {
+		line := scanner.Text()
+
+		nums := []int{}
+
+		for i := 0; i < len(line); i++ {
+			num := 0
+
+			if line[i] == '#' {
+				num = 1
+			}
+
+			nums = append(nums, num)
+		}
+		content = append(content, nums)
+	}
+
+	return &content
+}

day20/input

@@ -0,0 +1,102 @@
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day20/testInput

@@ -0,0 +1,7 @@
+..#.#..#####.#.#.#.###.##.....###.##.#..###.####..#####..#....#..#..##..###..######.###...####..#..#####..##..#.#####...##.#.#..#.##..#.#......#.###.######.###.####...#.##.##..#..#..#####.....#.#....###..#.##......#.....#..#..#..##..#...##.######.####.####.#.#...#.......#..#.#.#...####.##.#......#..#...##.#.##..#...##.#.##..###.#......#.#.......#.#.#.####.###.##...#.....####.#..#..#.##.#....##..#.####....##...##..#...#......#.#.......#.......##..####..#...#.#.#...##..#.#..###..#####........#..####......#..#
+
+#..#.
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+..###