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<?php
declare(strict_types=1);
namespace leetcode;
class ArrayPartitionI
{
public static function arrayPairSum(array $nums): int
$ans = 0;
$ans
if (empty($nums)) {
return 0;
}
sort($nums);
[$ans, $n] = [0, count($nums)];
for ($i = 0; $i < $n; $i += 2) {
$ans += $nums[$i];
return $ans;
imajinyun /
leetcode-php
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