follow up: 换成八进制
public class Solution {
public String addBinary(String a, String b) {
StringBuilder res=new StringBuilder();
int i=a.length()-1,j=b.length()-1,carry=0;
while(i>=0||j>=0){
int sum=carry;
if(i>=0) sum+=a.charAt(i--)-'0';
if(j>=0) sum+=b.charAt(j--)-'0';
res.append(sum%2);
carry=sum/2;
}
if(carry!=0) res.append(carry);
return res.reverse().toString();
}
}
67. Add Binary
67. Add Binary Description Answer
leetcode 67. Add Binary Given two binary strings, return ...
67. Add Binary 题目：Given two binary strings, return their ...
67. Add Binary Given two binary strings, return their sum...
67. Add Binary 题目：https://leetcode.com/problems/add-binar...
Problem Given two binary strings, return their sum (also ...
https://leetcode.com/problems/add-binary/description/ 解题思...
问题 Given two binary strings, return their sum (also a bin...
Description: Given two binary strings, return their sum (...
本文标题：67. Add Binary
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