Leetcode PHP題解--D83 169. Majority Element
D83 169. Majority Element
題目連結
題目分析
給定一個數組,返回其中出現次數超過一半的元素。
思路
用array_count_values函式計算元素出現次數,用arsort逆序排序結果,輸出第一個即可。
最終程式碼
<?php class Solution { /** * @param Integer[] $nums * @return Integer */ function majorityElement($nums) { $values = array_count_values($nums); arsort($values); return key($values); } }
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