[rosalind] flatten the Fibonacci Rabbits

Author: stmuk

categories/rosalind/fibd-grondilu.pl

@@ -19,7 +19,7 @@
 =end pod
 
 sub MAIN(Int $n = 6, Int $m = 3) {
-    my @population = 1, 0 xx ($m-1);
+    my @population = (1, 0 xx ($m-1)).flat;
     for 1 .. $n-1 -> \n {
         @population.unshift: [+] @population[1..*-1];  # reproduction
         @population.pop;                               # death