irresolute

@echo off
setlocal enabledelayedexpansion
set /a n=1
for /l %%i in (1,1,30) do (
set /a n*=2
call :count1 !n!
if "%%i"=="!ss!" echo !n!
)
pause>nul
goto :eof

:count1
set aa=%1
set ss=0
:count2
if "!aa!" neq "" (
set /a ss+=!aa:~0,1!
set aa=!aa:~1!
goto :count2 )
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[ 本帖最后由 irresolute 于 2009-2-22 13:05 编辑 ]