Changed variable names for clarity

Author: gahogg

Add Binary - Leetcode 67/Add Binary - Leetcode 67.java

@@ -2,16 +2,19 @@
 
 public class Solution {
     public String addBinary(String a, String b) {
+        // Convert the binary strings to BigInteger
         BigInteger x = new BigInteger(a, 2);
         BigInteger y = new BigInteger(b, 2);
 
+        // Perform the binary addition using bitwise operations
         while (y.compareTo(BigInteger.ZERO) != 0) {
-            BigInteger answer = x.xor(y);
+            BigInteger withoutCarry = x.xor(y);
             BigInteger carry = x.and(y).shiftLeft(1);
-            x = answer;
+            x = withoutCarry;
             y = carry;
         }
 
+        // Convert the result back to binary and return it as a string
         return x.toString(2);
     }
 }

Add Binary - Leetcode 67/Add Binary - Leetcode 67.js

@@ -1,13 +1,16 @@
 var addBinary = function(a, b) {
+    // Convert the binary strings to BigInt
     let x = BigInt("0b" + a);
     let y = BigInt("0b" + b);
 
+    // Perform the binary addition using bitwise operations
     while (y !== 0n) {
-        let answer = x ^ y;
+        let withoutCarry = x ^ y;
         let carry = (x & y) << 1n;
-        x = answer;
+        x = withoutCarry;
         y = carry;
     }
 
+    // Convert the result back to binary and return it as a string
     return x.toString(2);
 };

Add Binary - Leetcode 67/Add Binary - Leetcode 67.py

@@ -1,12 +1,12 @@
 class Solution:
     def addBinary(self, a, b) -> str:
-        x, y = int(a, 2), int(b, 2)
+        a, b = int(a, 2), int(b, 2)
 
-        while y:
-            answer = x ^ y
-            carry = (x & y) << 1
-            x, y = answer, carry
+        while b:
+            without_carry = a ^ b
+            carry = (a & b) << 1
+            a, b = without_carry, carry
 
-        return bin(x)[2:]
+        return bin(a)[2:]
         # Time: O(A + B)
         # Space: O(max(A, B))