87 lines
1.5 KiB
Go
87 lines
1.5 KiB
Go
package main
|
|
|
|
import (
|
|
"bufio"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
)
|
|
|
|
var (
|
|
f = "../../2.input.txt"
|
|
|
|
RPS = map[string] int {
|
|
"X":1,
|
|
"Y":2,
|
|
"Z":3,
|
|
"A":1,
|
|
"B":2,
|
|
"C":3,
|
|
}
|
|
outcome = map[string] int {
|
|
"A X":3,
|
|
"A Y":6,
|
|
"A Z":0,
|
|
"B X":0,
|
|
"B Y":3,
|
|
"B Z":6,
|
|
"C X":6,
|
|
"C Y":0,
|
|
"C Z":3,
|
|
}
|
|
// A:Rock B:Paper C:Scissor
|
|
// X:lose Y:draw Z:win
|
|
rRPS = map[string] string {
|
|
"A X":"C",
|
|
"A Y":"A",
|
|
"A Z":"B",
|
|
"B X":"A",
|
|
"B Y":"B",
|
|
"B Z":"C",
|
|
"C X":"B",
|
|
"C Y":"C",
|
|
"C Z":"A",
|
|
}
|
|
rOutcome = map[string] int {
|
|
"X":0,
|
|
"Y":3,
|
|
"Z":6,
|
|
}
|
|
)
|
|
|
|
func must(e error) {
|
|
if e != nil {
|
|
panic(e)
|
|
}
|
|
}
|
|
|
|
func Score(line string) int {
|
|
sp := strings.Split(line, " ")
|
|
return RPS[sp[1]] + outcome[line]
|
|
}
|
|
|
|
func RealScore(line string) int {
|
|
sp := strings.Split(line, " ")
|
|
throw := rRPS[line]
|
|
return RPS[throw] + rOutcome[sp[1]]
|
|
}
|
|
|
|
func main() {
|
|
fp, err:= filepath.Abs(f)
|
|
must(err)
|
|
rf, err := os.Open(fp)
|
|
must(err)
|
|
s := bufio.NewScanner(rf)
|
|
s.Split(bufio.ScanLines)
|
|
|
|
totScore := 0
|
|
totRealScore := 0
|
|
for s.Scan() {
|
|
l := s.Text()
|
|
totScore = Score(l) + totScore
|
|
totRealScore = RealScore(l) + totRealScore
|
|
}
|
|
|
|
println("part 1 score:", totScore)
|
|
println("part 2 score:", totRealScore)
|
|
} |