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Practice Add Binary

Read the task, work through the examples, and check your approach against the constraints. Use the original LeetCode task for coding and submissions.

Easy#67
LeetCode Problem

Add Binary

Problem Statement

Given two binary strings a and b, return their sum as a binary string.

Source: Add Binary on LeetCode. Use the original task for its coding environment and submissions.

Examples

# Example 1

Input
a = "11", b = "1"
Output
"100"

# Example 2

Input
a = "1010", b = "1011"
Output
"10101"

Constraints

1 <= a.length, b.length <= 10^4
a and b consist only of '0' or '1' characters.
Each string does not contain leading zeros except for the zero itself.

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