中国DOS联盟

@echo off

setlocal enabledelayedexpansion

::::::::::::::::::::::::::::Find The Smallest Public Doubles::::::::::::::::::::::::::::

::::::::::::::::::::::::::::       {s11ss  2007-9-20}       ::::::::::::::::::::::::::::

:r

echo Please input two integers,like 9,20:

set /p n=

echo.

echo Calculating...

set /a i=1

for %%a in (!n!) do (

	set n!i!=%%a

	set /a i+=1

)

if !n1! equ !n2! (

	call :e !n1!

	goto :eof

)

if !n1! lss !n2! (

	set t=!n1!

	set n1=!n2!

	set n2=!t!

)

set /a big=!n1!

set /a t=!n1!

set /a small=!n2!

:c

set /a remain=!big!%%!small!

if !remain! equ 0 (

	call :e !big!

	goto :eof

) else (

	set /a big+=!t!

	goto :c

	)

:e

echo.

echo The smallest public doubles is %1.

echo.

echo Press Any Key To Exit...

pause>nul