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Re^2: Abusing Map

by Eily (Monsignor)
on May 17, 2018 at 16:16 UTC ( [id://1214756]=note: print w/replies, xml ) Need Help??

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  1. or download this
    $#b = $#a-1; # Allocate a big enough array
    $i = @b;
    $b[ $i ] = $a[ $i ] - $a[ $i+1 ] while $i--;
    

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