优化目标: 12行57步
JUMP main out: COPYFROM 0 OUTBOX main: INBOX COPYTO 0 INBOX COPYTO 1 COPYFROM 0 divide: SUB 1 JUMPN out COPYTO 0 JUMP divide
JUMP main out: COPYFROM 0 OUTBOX main: INBOX COPYTO 0 INBOX COPYTO 1 divide: COPYFROM 0 SUB 1 JUMPN out COPYTO 0 JUMP divide