code php
function solve(array $arr) { $maxDay = 0; sort($arr); $checkDuplicateValue = array_unique($arr); if($arr !== $checkDuplicateValue) { $maxDay = $arr[0]; return $maxDay; } $maxDay = $arr[0] + 1; return $maxDay; }
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code php
function solve(array $arr)
{
$maxDay = 0;
sort($arr);
$checkDuplicateValue = array_unique($arr);
if($arr !== $checkDuplicateValue) {
$maxDay = $arr[0];
return $maxDay;
}
$maxDay = $arr[0] + 1;
return $maxDay;
}