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@echo off&setlocal enabledelayedexpansion set "num=5" :begin set /a num-=1 for /l %%i in (0,1,%num%) do ( set /a a=!random!%%20 if defined _!a! set /a num+=1&goto begin set /p=!a! <nul&set "_!a!=!a!"&goto begin ) pause>nul复制代码
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