55 lines
987 B
Go
55 lines
987 B
Go
package main
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import (
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"fmt"
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h "git.bullercodeworks.com/brian/adventofcode/helpers"
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)
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func main() {
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inp := h.StdinToStringSlice()
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part1(inp)
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part2(inp)
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}
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func part1(inp []string) {
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var res int
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for i := range inp {
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wrk := inp[i]
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best, tPos := []byte{'0', '0'}, -1
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for j := range best {
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best[j], tPos = findBest(wrk, (len(best)-j)-1)
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wrk = wrk[tPos+1:]
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}
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res += h.Atoi(string(best))
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}
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fmt.Println("# Part 1")
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fmt.Println(res)
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}
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func part2(inp []string) {
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var res int
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for i := range inp {
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wrk := inp[i]
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best, tPos := []byte{'0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0'}, -1
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for j := range best {
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best[j], tPos = findBest(wrk, (len(best)-j)-1)
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wrk = wrk[tPos+1:]
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}
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res += h.Atoi(string(best))
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}
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fmt.Println("# Part 2")
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fmt.Println(res)
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}
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func findBest(inp string, rem int) (byte, int) {
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var best byte
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var pos int
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for i := 0; i < len(inp)-rem; i++ {
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if inp[i] > best {
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best, pos = inp[i], i
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}
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}
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return best, pos
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}
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