尘丶

@echo off&setlocal enabledelayedexpansion
set s=123456789
for /l %%a in (0,1,100) do (
    set s1=!s:~%%a,3!
    set s2=!s1:~3!
    if "!s2!"=="" if !s1! gtr 100 set /a n+=1&echo;!s1!
)
echo;!n!
pause
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