155 lines
4.5 KiB
Go
155 lines
4.5 KiB
Go
package main
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import (
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"fmt"
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"time"
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// "math/rand"
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"os"
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// "strings"
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// "time"
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"adventofcode2025/day01"
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"adventofcode2025/utils"
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)
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// Usage: go run main.go <NN>
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// assumes input is in day<NN>/input.txt
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func main() {
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d := day()
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fmt.Printf("Running day %02d\n", d)
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start := time.Now()
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switch d {
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case 1:
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fmt.Printf("part 1: %d\n", day01.Part1(utils.Readfile(d)))
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fmt.Printf("part 2: %d\n", day01.Part2(utils.Readfile(d)))
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// case 2:
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// fmt.Printf("part 1: %d\n", day02.Part1(utils.Readfile(d)))
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// fmt.Printf("part 2: %d\n", day02.Part2(utils.Readfile(d)))
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// case 3:
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// fmt.Printf("part 1: %d\n", day03.Part1(utils.Readfile(d)))
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// fmt.Printf("part 2: %d\n", day03.Part2(utils.Readfile(d)))
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// case 4:
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// fmt.Printf("part 1: %d\n", day04.Part1(utils.Readfile(d)))
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// fmt.Printf("part 2: %d\n", day04.Part2(utils.Readfile(d)))
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// case 6:
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// fmt.Printf("part 1: %d\n", day06.Part1(utils.Readfile(d)))
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// fmt.Printf("part 2: %d\n", day06.Part2(utils.Readfile(d)))
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// case 7:
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// fmt.Printf("part 1: %d\n", day07.Part1(utils.Readfile(d)))
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// fmt.Printf("part 2: %d\n", day07.Part2(utils.Readfile(d)))
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// case 8:
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// fmt.Printf("part 1: %d\n", day08.Part1(utils.Readfile(d)))
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// fmt.Printf("part 2: %d\n", day08.Part2(utils.Readfile(d)))
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// case 9:
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// fmt.Printf("part 1: %d\n", day09.Part1(utils.Readfile(d)))
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// fmt.Printf("part 2: %d\n", day09.Part2(utils.Readfile(d)))
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// case 10:
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// fmt.Printf("part 1: %d\n", day10.Part1(utils.Readfile(d)))
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// fmt.Printf("part 2: %d\n", day10.Part2(utils.Readfile(d)))
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// case 11:
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// fmt.Printf("part 1: %d\n", day11.Part1(utils.Readfile(d)))
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// fmt.Printf("part 2: %d\n", day11.Part2(utils.Readfile(d)))
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// case 12:
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// fmt.Printf("part 1: %d\n", day12.Part1(utils.Readfile(d)))
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// fmt.Printf("part 2: %d\n", day12.Part2(utils.Readfile(d)))
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// case 13:
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// fmt.Printf("part 1: %d\n", day13.Part1(utils.Readfile(d)))
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// fmt.Printf("part 2: %d\n", day13.Part2(utils.Readfile(d)))
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// case 14:
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// fmt.Printf("part 1: %d\n", day14.Part1(utils.Readfile(d)))
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// fmt.Printf("part 2: %d\n", day14.Part2(utils.Readfile(d)))
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// case 15:
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// fmt.Printf("part 1: %d\n", day15.Part1(utils.Readfile(d)))
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// fmt.Printf("part 2: %d\n", day15.Part2(utils.Readfile(d)))
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// case 16:
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// fmt.Printf("part 1: %d\n", day16.Part1(utils.Readfile(d)))
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// fmt.Printf("part 2: %d\n", day16.Part2(utils.Readfile(d)))
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// case 17:
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// fmt.Printf("part 1: %s\n", day17.Part1(utils.Readfile(d)))
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// fmt.Printf("part 2: %d\n", day17.Part2(utils.Readfile(d)))
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// case 18:
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// fmt.Printf("part 1: %d\n", day18.Part1(utils.Readfile(d)))
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// fmt.Printf("part 2: %d\n", day18.Part2(utils.Readfile(d)))
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// case 19:
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// fmt.Printf("part 1: %d\n", day19.Part1(utils.Readfile(d)))
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// fmt.Printf("part 2: %d\n", day19.Part2(utils.Readfile(d)))
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// case 21:
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// fmt.Printf("part 1: %d\n", day21.Part1(utils.Readfile(d)))
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// fmt.Printf("part 2: %d\n", day21.Part2(utils.Readfile(d)))
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// case 22:
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// fmt.Printf("part 1: %d\n", day22.Part1(utils.Readfile(d)))
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// fmt.Printf("part 2: %d\n", day22.Part2(utils.Readfile(d)))
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// case 23:
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// fmt.Printf("part 1: %d\n", day23.Part1(utils.Readfile(d)))
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// fmt.Printf("part 2: %d\n", day23.Part2(utils.Readfile(d)))
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// case 24:
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// fmt.Printf("part 1: %d\n", day24.Part1(utils.Readfile(d)))
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// fmt.Printf("part 2: %d\n", day24.Part2(utils.Readfile(d)))
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// case 25:
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// fmt.Printf("part 1: %d\n", day25.Part1(utils.Readfile(d)))
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// fmt.Printf("part 2: %d\n", day25.Part2(utils.Readfile(d)))
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default:
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panic(fmt.Errorf("no such day: %d", d))
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}
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elapsed := time.Since(start)
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fmt.Printf("Execution time: %s\n", elapsed)
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}
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// Reads day from os.Args.
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func day() int {
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latest := 0
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if len(os.Args) == 1 {
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return latest
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}
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if os.Args[1] == "next" {
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genNext(latest + 1)
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os.Exit(0)
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}
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day := utils.MustAtoi(os.Args[1])
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return day
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}
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func genNext(n int) {
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os.Mkdir(fmt.Sprintf("day%02d", n), 0755)
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f, err := os.Create(fmt.Sprintf("day%02d/day%02d.go", n, n))
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utils.PanicOnErr(err)
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defer f.Close()
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f.WriteString(fmt.Sprintf(`package day%02d
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func Part1(input string) int {
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return 0
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}
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func Part2(input string) int {
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return 0
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}
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`, n))
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fmt.Printf("wrote day%02d/day%02d.go\n", n, n)
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f, err = os.Create(fmt.Sprintf("day%02d/day%02d_test.go", n, n))
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utils.PanicOnErr(err)
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defer f.Close()
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f.WriteString(fmt.Sprintf(`package day%02d
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import (
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestPart1(t *testing.T) {
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r := Part1("")
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require.Equal(t, 0, r)
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}
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func TestPart2(t *testing.T) {
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r := Part2("")
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require.Equal(t, 0, r)
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}
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`, n))
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fmt.Printf("wrote day%02d/day%02d_test.go\n", n, n)
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utils.GenInputFile(n)
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}
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