批处理脚本实现C语言趣味编程百例009：杨辉三角形

@echo off&setlocal enabledelayedexpansion
set Line=15
for /l %%i in (0 1 %Line%) do set k=   !k!&set /a "var%%i_0=1,var%%i_%%i=1,_%%i=%%i-1"
for /l %%i in (2 1 %Line%) do (
    for /l %%j in (1 1 !_%%i!) do (
        set /a "var%%i_%%j=var!_%%i!_!_%%j!+var!_%%i!_%%j"
    )
)
for /l %%i in (0 1 %line%) do (
        set/a "M=(Line-%%i+1)*3"
    for /l %%j in (0 1 %line%) do IF "!var%%i_%%j!" neq "" set var=!var%%i_%%j!     !var!
    for %%k in (!M!) do echo !k:~-%%k!!var!&set var=
)
)
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@echo off&setlocal enabledelayedexpansion
set Line=15
for /l %%i in (0 1 %Line%) do set k=   !k!&set /a "_%%i=%%i-1"
for /l %%i in (0 1 %Line%) do (
    set/a "N=1,Var=1,M=(Line-%%i+1)*3"
    for /l %%j in (0 1 !_%%i!) do (
        set /a "N=N*(%%i-%%j)/(%%j+1)"
        set Var=!var!     !N!
    )
    for %%k in (!M!) do echo !k:~-%%k!!var!
)
pause
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@echo off&setlocal enabledelayedexpansion
set Line=9
for /l %%i in (0 1 %Line%) do set "k=   !k!"&set/a "_%%i=%%i-1"
for /l %%i in (1 1 %Line%) do (
    SET M1=1&set var=&set/a"M=(Line-%%i+1)*3"
    for /l %%j in (1 1 %%i) do  set /a "N%%j=M%%j+M!_%%j!"
    for /l %%j in (1 1 %%i) do set M%%j=!N%%j!&set Var=!var!     !M%%j!
    for %%k in (!M!) do echo !k:~-%%k!!var!
)
PAUSE
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