Created
January 21, 2019 15:57
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#!/usr/bin/perl | |
use Data::Dumper; | |
use strict; | |
use warnings; | |
# Complete the divisibleSumPairs function below. | |
sub divisibleSumPairs { | |
my $n = shift; | |
my $k = shift; | |
my $ar = shift; | |
my $sum = 0; | |
my $r =0; | |
for my $u1(0 .. ($n-1) ){ | |
for my $u2 ( ($u1+1) .. $n){ | |
$sum = $ar->[$u1] + $ar->[$u2]; | |
my $kk = $sum % $k; | |
if (!($sum % $k)){ | |
$r++; | |
} | |
} | |
} | |
return $r; | |
} | |
open(my $fptr, '>', $ENV{'OUTPUT_PATH'}); | |
my $nk = <>; | |
$nk =~ s/\s+$//; | |
my @nk = split /\s+/, $nk; | |
my $n = $nk[0]; | |
$n =~ s/\s+$//; | |
my $k = $nk[1]; | |
$k =~ s/\s+$//; | |
my $ar = <>; | |
$ar =~ s/\s+$//; | |
my @ar = split /\s+/, $ar; | |
$n--; | |
my $result = divisibleSumPairs $n, $k, \@ar; | |
print $fptr "$result\n"; | |
close $fptr; |
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