4位。其余你依葫芦画瓢。。。- @echo off
- (for /f "delims=" %%i in (a.txt) do (
- setlocal enabledelayedexpansion
- for %%a in (%%i) do set/a n+=1&set "A!n!=%%a"
- for /l %%b in (1 1 !n!) do (
- set/a n1=%%b+1
- for /l %%c in (!n1! 1 !n!) do (
- set/a n2=%%c+1
- for /l %%d in (!n2! 1 !n!) do (
- set/a n3=%%d+1
- for /l %%e in (!n3! 1 !n!) do echo !A%%b! !A%%c! !A%%d! !A%%e!
- )
- )
- )
- endlocal
- ))>b.txt
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