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Add Binary Strings InterviewBit Solution

Problem Description:

Given two binary strings, return their sum (also a binary string).


a = "100"  -> 4 in decimal
b = "11"   -> 3 in decimal
Return a + b = “111” -> 7 in decimal

Solution Approach:

How will you add two binary numbers on paper? Just try implementing that approach.

Time Complexity:

O(N), where N is the size of input string.

Soultion in C++:


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