terse

回复 4# 悬崖之树
这个效率提升点

@echo off&setlocal enabledelayedexpansion
for /l %%i in (1 1 10000) do (
    set str=%%i&set "var=!str:~-1!"
    set "len=%%i543210"
    for /l %%j in (2,1,!len:~5^,1!) do set "var=!var!!str:~-%%j,1!"
    if "%%i" == "!var!" echo,%%i
)
pause
复制代码