批处理bat递归计算N!的实现代码
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2022-03-02 12:33:00
核心代码:
@echo off
:: 代码来自网友:liangbch
setlocal enabledelayedexpansion
echo to c...
核心代码:
@echo off :: 代码来自网友:liangbch setlocal enabledelayedexpansion echo to calculate n^^! set/p nn=n=? set/a "buff_1=1,rad=10000,len=1" for /l %%i in (1,1,%nn% ) do ( set/a cc=0 for /l %%j in (1,1,!len!) do ( set/a "tt=buff_%%j* %%i+!cc!" set/a "buff_%%j=!tt! %% !rad!,cc=!tt!/!rad!" ) if !cc! gtr 0 ( set/a len+=1 set/a buff_!len!=!cc! ) ) set/p xx=n^^!=<nul set/a tt=buff_%len% set/p xx=!tt!<nul set/a len-=1 for /l %%i in (%len%,-1,1 ) do ( set/a tt=buff_%%i if !tt! lss 1000 set tt=00000!tt! set/p xx=!tt:~-4!<nul ) echo. pause
双击输入数字即可。