25 lines
449 B
Bash
Executable File
25 lines
449 B
Bash
Executable File
#!/bin/bash
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aim=0
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depth=0
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horizontal=0
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while read current; do
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case "$current" in
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"down "*)
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current_tmp=${current/down /}
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aim=$((aim+current_tmp))
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;;
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"up "*)
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current_tmp=${current/up /}
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aim=$((aim-current_tmp))
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;;
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"forward "*)
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current_tmp=${current/forward /}
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horizontal=$((horizontal+current_tmp))
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depth=$((depth+aim*current_tmp))
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;;
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esac
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done
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echo $((depth*horizontal))
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