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