#67
Add Binary
easy · verified · 57.7% accepted · 10,699 likes · top 53%
math · string · bit manipulation · simulation
Description
Given two binary strings a and b, return their sum as a binary string.
Example 1:
Input: a = "11", b = "1"
Output: "100"
Example 2:
Input: a = "1010", b = "1011"
Output: "10101"
Solution