8000 day 4 parses input · jamesjarvis/adventofcode@90fefde · GitHub
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day 4 parses input
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‎04/go.mod

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module github.com/jamesjarvis/adventofcode/04
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go 1.17

‎04/input.txt

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7,4,9,5,11,17,23,2,0,14,21,24,10,16,13,6,15,25,12,22,18,20,8,19,3,26,1

‎04/inputBoards.txt

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22 13 17 11 0
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8 2 23 4 24
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21 9 14 16 7
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6 10 3 18 5
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1 12 20 15 19
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3 15 0 2 22
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9 18 13 17 5
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19 8 7 25 23
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20 11 10 24 4
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14 21 16 12 6
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14 21 17 24 4
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10 16 15 9 19
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18 8 23 26 20
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22 11 13 6 5
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2 0 12 3 7

‎04/main.go

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package main
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import (
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_ "embed"
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"fmt"
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"strconv"
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"strings"
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)
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//go:embed input.txt
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var input string
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//go:embed inputBoards.txt
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var inputBoards string
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func main() {
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if input == "" {
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panic("input cannot be empty")
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}
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if inputBoards == "" {
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panic("inputBoards cannot be empty")
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}
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inputstrarr := strings.Split(input, ",")
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inputarr := make([]int, len(inputstrarr))
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for i, v := range inputstrarr {
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n, err := strconv.Atoi(v)
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if err != nil {
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panic(err)
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}
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inputarr[i] = n
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}
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fmt.Println(inputarr)
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boards := [][][]int{}
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// string: " 3 15 0 2 22"
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// int: 1
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// float/real: 2.3
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// bool: true/false
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// arrays: [type, type]
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boardsstrarr := strings.Split(inputBoards, "\n")
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board := [][]int{}
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for _, line := range boardsstrarr {
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if line == "" {
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boards = append(boards, board)
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board = [][]int{}
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continue
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}
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vals := strings.Split(line, " ")
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boardline := []int{}
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for _, val := range vals {
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if val == "" {
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continue
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}
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n, err := strconv.Atoi(val)
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if err != nil {
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panic(err)
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}
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boardline = append(boardline, n)
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}
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board = append(board, boardline)
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}
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fmt.Println(boards)
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// ox, co2 := getShit(inputstrarr)
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// fmt.Printf("Answer: %d\n", ox*co2)
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}

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