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douboer
2025-09-17 16:08:16 +08:00
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perl/Examples/Chap5/fib-1 Normal file
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###
### fib1
###
## Chapter 5 section 4.3.1
sub fib {
my $n = shift;
if ($n < 2) {
return $n;
} else {
my $s1 = fib($n-2);
my $s2 = fib($n-1);
return $s1 + $s2;
}
}