Leetcode： 67. Add Binary

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Leetcode： 67. Add Binary

二进制加法 https://discuss.leetcode.com/topic/33693/another-simple-java public String addBinary(String a, String b) { if(a==null||b==null){ return a==null?b:a; //如果其中一个为null,则返回另一个:结合着if条件语句可以包括两个都是null的情形 } int alen = a.length()-1; int blen = b.length()-…

【LeetCode】67. Add Binary

题目: Given two binary strings, return their sum (also a binary string). For example,a = "11"b = "1"Return "100". 提示: 此题我的第一反应是把输入的两个字符串转化为数字,相加以后再把结果转化为二进制输出,但是测试用例中会有很大的输入,此时即使是long long型也会造成溢出,所以只能用最传统的由低位到高位逐位相加的方法去做. 代码: c…

【LeetCode】67. Add Binary 解题报告（Python）

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录题目描述题目大意解题方法 BigInteger类模拟加法日期题目地址:https://leetcode.com/problems/add-binary/description/ 题目描述 Given two binary strings, return their sum (also a binary string). The input strings are bot…

【一天一道LeetCode】#67. Add Binary

一天一道LeetCode 本系列文章已全部上传至我的github,地址:ZeeCoder's Github 欢迎大家关注我的新浪微博,我的新浪微博欢迎转载,转载请注明出处 (一)题目 Given two binary strings, return their sum (also a binary string). For example, a = "11" b = "1" Return "100". (二)解题题意很简单,实现二进制加法逻辑…

[LeetCode] 415 Add Strings && 67 Add Binary && 43 Multiply Strings

这些题目是高精度加法和高精度乘法相关的,复习了一下就做了,没想到难住自己的是C++里面string的用法. 原题地址: 415 Add Strings:https://leetcode.com/problems/add-strings/description/ 67 Add Binary: https://leetcode.com/problems/add-binary/description/ 43 Multiply Strings:https://leetcode.com/problems/…

67. Add Binary【LeetCode】

67. Add Binary Given two binary strings, return their sum (also a binary string). For example,a = "11"b = "1"Return "100". public class Solution { public String addBinary(String a, String b) { String res =""; int l1…

LeetCode练题——67. Add Binary

1.题目 67. Add Binary——easy Given two binary strings, return their sum (also a binary string). The input strings are both non-empty and contains only characters 1 or 0. Example 1: Input: a = "11", b = "1"Output: "100"Example 2:…

Java [Leetcode 67]Add Binary

题目描述: Given two binary strings, return their sum (also a binary string). For example,a = "11"b = "1"Return "100". 解题思路: 使用StringBuilder,且使用进位. 代码如下: public class Solution { public String addBinary(String a, String b) { String…

LeetCode 67. Add Binary （二进制相加）

Given two binary strings, return their sum (also a binary string). For example,a = "11"b = "1"Return "100". 题目标签:Math 题目给了我们两个string a 和 b,让我们把这两个二进制相加. 首先把两个string 的长度得到,然后从右向左取两个string 的 digit. 增设一个 carry = 0: 每一轮把 digit…

[LeetCode] 67. Add Binary 二进制数相加

Given two binary strings, return their sum (also a binary string). The input strings are both non-empty and contains only characters 1 or 0. Example 1: Input: a = "11", b = "1" Output: "100" Example 2: Input: a = "1010&q…