aoc2023/day-7/one.go

package main

import log "github.com/sirupsen/logrus"

const (
	highcard     = iota // 0
	onepair      = iota // 1
	twopair      = iota // 2
	threeofakind = iota // 3
	fullhouse    = iota // 4
	fourofakind  = iota // 5
	fiveofakind  = iota // 6
	numKinds     = iota
)

// one returns the sum of products of hand values by bids
func one(lines []string) (int, error) {
	parselines(lines)

	strength := []rune{'A', 'K', 'Q', 'J', 'T', '9', '8', '7', '6', '5', '4', '3', '2'}
	log.Debug("strength: ", strength)
	sortByKindAndStrength(strength)

	sum := 0

	for i, hand := range hands {
		sum += (i + 1) * hand.bid
	}

	return sum, nil
}