diff options
Diffstat (limited to 'ruby_1_8_5/sample/fib.pl')
-rw-r--r-- | ruby_1_8_5/sample/fib.pl | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/ruby_1_8_5/sample/fib.pl b/ruby_1_8_5/sample/fib.pl new file mode 100644 index 0000000000..945a4929a7 --- /dev/null +++ b/ruby_1_8_5/sample/fib.pl @@ -0,0 +1,11 @@ +sub fib { + my($n)=@_; + if ($n<2) { + return $n; + } + else { + return fib($n-2)+fib($n-1); + } +} + +print fib(20), "\n"; |