caruko

大概是中规中矩的办法吧...

@echo off
setlocal enabledelayedexpansion
set str=1234567890
set n=9
for /l %%a in (1 1 4) do (
	set /a rd=!random!%%!n!
	call set n%%a=%%str:~!rd!,1%%
	call set str=%%str:!n%%a!=%%
	set /a n=!n!-1
)
echo %n1%%n2%%n3%%n4%
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