38 lines
668 B
Go
38 lines
668 B
Go
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
)
|
|
|
|
func main() {
|
|
args := os.Args[1:]
|
|
input := args[0]
|
|
fmt.Println(input)
|
|
row, column := getRow(input)
|
|
fmt.Printf("|%d|%d|\n", row, column)
|
|
}
|
|
|
|
func getRow(boardingPass string) (int, int) {
|
|
rowP1 := 0
|
|
rowP2 := 127
|
|
for _,char := range boardingPass[:7] {
|
|
if char == 'F' {
|
|
rowP2 = rowP2 - (rowP2-rowP1)/2 - 1
|
|
}
|
|
if char == 'B' {
|
|
rowP1 = rowP1 + (rowP2-rowP1)/2 + 1
|
|
}
|
|
}
|
|
columnP1 := 0
|
|
columnP2 := 7
|
|
for _,char := range boardingPass[7:] {
|
|
if char == 'L' {
|
|
columnP2 = columnP2 - (columnP2-columnP1)/2 - 1
|
|
}
|
|
if char == 'R' {
|
|
columnP1 = columnP1 + (columnP2-columnP1)/2 + 1
|
|
}
|
|
}
|
|
return rowP1, columnP1
|
|
} |