Using example: fibonacci.cmd 9 (returns 55).
Batch, 25 lines
Download
Copy to clipboard1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | @echo off
setlocal
::condition for execution
if "%1" leq "0" (
echo The number must be greater than 'null'.
goto:eof
)
::variables
set "a=0"
set "b=1"
set "c="
set "i=0"
::cycle to retrieve Fibonacci number
:loop
if "%i%" equ "%1" goto:result
set /a "c=%a% + %b%"
set /a "a=%b%"
set /a "b=%c%"
set /a "i+=1"
goto:loop
::print result
:result
echo %b%
endlocal
exit /b
|
Tags: fibonacci
