26 lines
395 B
Bash
Executable file
26 lines
395 B
Bash
Executable file
#!/usr/bin/zsh
|
|
|
|
integer aim=0
|
|
integer h=0
|
|
integer v=0
|
|
|
|
IFS="
|
|
"
|
|
for line in "${(@f)}"$(<input.txt)
|
|
{
|
|
cmd=(${(s/ /)line})
|
|
case $cmd[1] in
|
|
down)
|
|
((aim += $cmd[2]))
|
|
;;
|
|
up)
|
|
((aim -= $cmd[2]))
|
|
;;
|
|
forward)
|
|
((h += $cmd[2]))
|
|
((v += aim * $cmd[2]))
|
|
;;
|
|
esac
|
|
}
|
|
|
|
print Answer: $((h * v))
|