LeetCode Add Binary
Given two binary strings, return their sum (also a binary string). For example,a = "11"b = "1"Return "100". 這題用數組來做可能更簡單，但考慮到可能面試的時候要求不能開額外的數組 ...
原文：Add Binary Leetcode java
題目： Given two binary strings, return their sum also a binary string . For example, a b Return . 題解： 二進制加法都是從最低位 從右加到左 。所以對兩個字符串要從最后一位開始加，如果遇見長度不一的情況，就把短的字符串高位補 . 每輪計算要加上進位，最后跳出循環后要堅持進位是否為 ，以便更新結果。 代碼 ...
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