@echo off
color 70
:begin
cls
echo 猜数字游戏(你有10次机会)

::生成随机数
set/a n1=%random%%%10
:nn2
set/a n2=%random%%%10
if %n2%==%n1% goto :nn2
:nn3
set/a n3=%random%%%10
if %n3%==%n2% goto :nn3
if %n3%==%n1% goto :nn3
:nn4
set/a n4=%random%%%10
if %n4%==%n3% goto :nn4
if %n4%==%n2% goto :nn4
if %n4%==%n1% goto :nn4
set nn=%n1%%n2%%n3%%n4%
::echo %nn%

::输入
set nt=
:numin
set/p nin=输入：
set m1=%nin:~0,1%
if "%m1%"=="" goto :numin
set m2=%nin:~1,1%
if %m2%==%m1% goto :numin
if "%m2%"=="" goto :numin
set m3=%nin:~2,1%
if %m3%==%m1% goto :numin
if %m3%==%m2% goto :numin
if "%m3%"=="" goto :numin
set m4=%nin:~3,1%
if %m4%==%m1% goto :numin
if %m4%==%m2% goto :numin
if %m4%==%m3% goto :numin
if "%m4%"=="" goto :numin
set m5=%nin:~4,1%
if not "%m5%"=="" goto :numin
set/a nt+=1

::判断AB
set/a a=0
if %n1%==%m1% set/a a+=1
if %n2%==%m2% set/a a+=1
if %n3%==%m3% set/a a+=1
if %n4%==%m4% set/a a+=1
set/a b=0
if %n1%==%m2% set/a b+=1
if %n1%==%m3% set/a b+=1
if %n1%==%m4% set/a b+=1
if %n2%==%m1% set/a b+=1
if %n2%==%m3% set/a b+=1
if %n2%==%m4% set/a b+=1
if %n3%==%m1% set/a b+=1
if %n3%==%m2% set/a b+=1
if %n3%==%m4% set/a b+=1
if %n4%==%m1% set/a b+=1
if %n4%==%m2% set/a b+=1
if %n4%==%m3% set/a b+=1
echo %a%A%b%B %nt%

::次数
if %a% equ 4 (
echo 成功&&goto :end
) else (
if %nt% lss 10 goto :numin
)
echo 失败，答案：%nn%

:end
set/p new=再来一局(y)：
if %new%==y goto :begin
echo.[按任意键退出]
pause>nul