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