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--
-- Perl Weekly Challenge 252
-- Task 1
--
-- See <https://perlweeklychallenge.org/blog/perl-weekly-challenge-252/>
--
CREATE SCHEMA IF NOT EXISTS pwc252;
CREATE OR REPLACE FUNCTION
pwc252.task1_plpgsql( nums int[] )
RETURNS int
AS $CODE$
DECLARE
sumx int := 0;
BEGIN
FOR i IN 1 .. array_length( nums, 1 ) LOOP
IF mod( array_length( nums, 1 ), i ) <> 0 THEN
CONTINUE;
END IF;
sumx := sumx + pow( nums[ i ], 2 );
END LOOP;
RETURN sumx;
END
$CODE$
LANGUAGE plpgsql;
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