Given a positive integer n and you can do operations as follow: If n is even, replace n with n/2. If n is odd, you can replace n ...
For a non negative integerX, thearray form ofXis an array of its digits in left to right order. For example, ifX , then the array form is , , , . Given the array formAof a non negativeintegerX, retur ...
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Given a positive integer n and you can do operations as follow: If n is even, replace n with n/2. If n is odd, you can replace n ...
Given a 32-bit signed integer, reverse digits of an integer. Example 1: Example 2: Example 3: Note:Assume we are dealing ...
Given a positive integer n, break it into the sum of at least two positive integers and maximize the product of those integers. Return the maximum ...
題目描述 給定一個 32 位有符號整數,將整數中的數字進行反轉。 示例 1: 示例 2: 示例 3: 注意: 假設我們的環境只能存儲 32 位有符號整數,其數值范圍是 [−231, 231 − 1]。根據這個假設,如果反轉后的整數溢出 ...
Given a non-empty array of non-negative integers nums, the degree of this array is defined as the maximum frequency of any one of its elements. ...
Shuffle a set of numbers without duplicates. Example: 這道題讓我們給數組洗牌,也就是隨機打亂順序,那么由於之前那道題Linked List Random Node我們接觸到了水塘抽樣Reservoir Sampling的思想 ...
Given a sorted positive integer array nums and an integer n, add/patch elements to the array such that any number in range [1, n] inclusive can ...
$bbbb=array("11"=>"aaa","22"=>"bbb"); //只能輸出值value不能輸出key foreach($bbbb as $color) { echo $color ...