Leetcode: Create Maximum Number
the question is: how to get maximum number(x digit ...
原文：[LeetCode] Third Maximum Number 第三大的數
Given anon emptyarray of integers, return thethirdmaximum number in this array. If it does not exist, return the maximum number. The time complexity must be in O n . Example : Example : Example : 這道題 ...
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Leetcode練習（python）：第414題：第三大的數：給定一個非空數組，返回此數組中第三大的數。如果不存在，則返回數組中最大的數。要求算法時間復雜度必須是O(n)。
題目： 第三大的數：給定一個非空數組，返回此數組中第三大的數。如果不存在，則返回數組中最大的數。要求算法時間復雜度必須是O(n)。 示例 1: 輸入: [3, 2, 1] 輸出: 1 解釋: 第三大的數是 1.示例 2: 輸入: [1, 2] 輸出: 2 解釋: 第三大的數不存在 ...
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