#!/usr/bin/perl use v5.14; my $result = 0; sub fib { my @frame = @_; @frame[0] = @frame[0] + @frame[1]; @frame[1] = @frame[2]; @frame[3] = @frame[2]; count($frame[0]); return fib(@frame) unless($frame[0] >= 4000000); } sub count { my $increment = @_; if(($increment % 2) == 0) { $result = $result + $increment; } } fib(1,2,3); print $result;
In reply to How am i doing? by Anonymous Monk
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