2022/go/main.go

   1 package main
   2
   3 import (
   4         "fmt"
   5 //      "math/rand"
   6         "os"
   7 //      "strings"
   8 //      "time"
   9
  10         "adventofcode2022/utils"
  11         "adventofcode2022/day01"
  12         "adventofcode2022/day02"
  13         "adventofcode2022/day03"
  14         "adventofcode2022/day04"
  15         "adventofcode2022/day05"
  16         "adventofcode2022/day06"
  17         "adventofcode2022/day07"
  18         "adventofcode2022/day08"
  19         "adventofcode2022/day09"
  20         "adventofcode2022/day10"
  21         "adventofcode2022/day11"
  22
  23
  24 )
  25
  26 // Usage: go run main.go <NN>
  27 // assumes input is in day<NN>/input.txt
  28 func main() {
  29         d := day()
  30         fmt.Printf("Running day %02d\n", d)
  31
  32         switch d {
  33         case 1:
  34                 fmt.Printf("part 1: %d\n", day01.Part1(utils.Readfile(d)))
  35                 fmt.Printf("part 2: %d\n", day01.Part2(utils.Readfile(d)))
  36         case 2:
  37                 fmt.Printf("part 1: %d\n", day02.Part1(utils.Readfile(d)))
  38                 fmt.Printf("part 2: %d\n", day02.Part2(utils.Readfile(d)))
  39         case 3:
  40                 fmt.Printf("part 1: %d\n", day03.Part1(utils.Readfile(d)))
  41                 fmt.Printf("part 2: %d\n", day03.Part2(utils.Readfile(d)))
  42         case 4:
  43                 fmt.Printf("part 1: %d\n", day04.Part1(utils.Readfile(d)))
  44                 fmt.Printf("part 2: %d\n", day04.Part2(utils.Readfile(d)))
  45         case 5:
  46                 fmt.Printf("part 1: %s\n", day05.Part1(utils.Readfile(d)))
  47                 fmt.Printf("part 2: %s\n", day05.Part2(utils.Readfile(d)))
  48         case 6:
  49                 fmt.Printf("part 1: %d\n", day06.Part1(utils.Readfile(d)))
  50                 fmt.Printf("part 2: %d\n", day06.Part2(utils.Readfile(d)))
  51         case 7:
  52                 fmt.Printf("part 1: %d\n", day07.Part1(utils.Readfile(d)))
  53                 fmt.Printf("part 2: %d\n", day07.Part2(utils.Readfile(d)))
  54         case 8:
  55                 fmt.Printf("part 1: %d\n", day08.Part1(utils.Readfile(d)))
  56                 fmt.Printf("part 2: %d\n", day08.Part2(utils.Readfile(d)))
  57         case 9:
  58                 fmt.Printf("part 1: %d\n", day09.Part1(utils.Readfile(d)))
  59                 fmt.Printf("part 2: %d\n", day09.Part2(utils.Readfile(d)))
  60         case 10:
  61                 fmt.Printf("part 1: %d\n", day10.Part1(utils.Readfile(d)))
  62                 fmt.Printf("part 2: %s\n", day10.Part2(utils.Readfile(d)))
  63         case 11:
  64                 fmt.Printf("part 1: %d\n", day11.Part1(utils.Readfile(d)))
  65                 fmt.Printf("part 2: %d\n", day11.Part2(utils.Readfile(d)))
  66         default:
  67                 panic(fmt.Errorf("no such day: %d", d))
  68         }
  69 }
  70
  71 // Reads day from os.Args.
  72 func day() int {
  73         latest := 10
  74         if len(os.Args) == 1 {
  75                 return latest
  76         }
  77
  78         if os.Args[1] == "next" {
  79                 genNext(latest + 1)
  80                 os.Exit(0)
  81         }
  82         day := utils.MustAtoi(os.Args[1])
  83         return day
  84 }
  85
  86
  87 func genNext(n int) {
  88         os.Mkdir(fmt.Sprintf("day%02d", n), 0755)
  89         f, err := os.Create(fmt.Sprintf("day%02d/day%02d.go", n, n))
  90         utils.PanicOnErr(err)
  91         defer f.Close()
  92         f.WriteString(fmt.Sprintf(`package day%02d
  93
  94 func Part1(input string) int {
  95         return 0
  96 }
  97
  98 func Part2(input string) int {
  99         return 0
 100 }
 101 `, n))
 102         fmt.Printf("wrote day%02d/day%02d.go\n", n, n)
 103
 104         f, err = os.Create(fmt.Sprintf("day%02d/day%02d_test.go", n, n))
 105         utils.PanicOnErr(err)
 106         defer f.Close()
 107         f.WriteString(fmt.Sprintf(`package day%02d
 108
 109 import (
 110         "testing"
 111
 112         "github.com/stretchr/testify/require"
 113 )
 114
 115 func TestPart1(t *testing.T) {
 116         r := Part1("")
 117         require.Equal(t, 0, r)
 118 }
 119
 120 func TestPart2(t *testing.T) {
 121         r := Part2("")
 122         require.Equal(t, 0, r)
 123 }
 124 `, n))
 125         fmt.Printf("wrote day%02d/day%02d_test.go\n", n, n)
 126
 127 }