57 lines
941 B
Go
57 lines
941 B
Go
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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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fmt.Println("# Part 1")
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fmt.Printf("Score: %d\n", part1(inp))
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fmt.Println("# Part 2")
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fmt.Printf("Score: %d\n", part2(inp))
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}
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func part1(input []string) int {
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score := 0
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for i := range input {
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first, second := input[i][0], (input[i][2] - 23)
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score += int(second - 'A' + 1)
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switch second - first {
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case 1, 254:
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score += 6
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case 0:
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score += 3
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}
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}
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return score
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}
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func part2(input []string) int {
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score := 0
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for i := range input {
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against, to := input[i][0], input[i][2]
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choose := byte(64)
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switch to {
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case 'X':
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choose = (against - 1)
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if choose < 'A' {
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choose = 'C'
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}
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case 'Y':
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score += 3
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choose = against
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case 'Z':
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choose = (against + 1)
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if choose > 'C' {
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choose = 'A'
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}
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score += 6
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}
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score += int(choose - 64)
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}
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return score
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}
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