Merge branch 'main' into patch-1

DSA Preparation 450/Bit Manipulation/Bit Difference.cpp

@@ -33,11 +33,25 @@ int countBitsFlip(int a, int b){
     int c=a^b;
     while(c)
     {
-        c = c&(c-1);
-
-
+      c = c&(c-1);      
       count++;
     }
+//     11110 = c
+//     11101 = c-1
+//     c = c&(c-1);
+//     step -> 1
+//     c = 11100
+//     c-1 = 11011
+//     step -> 2
+//     c = 11000
+//     c-1 = 10111
+//     step -> 3
+//     c = 10000
+//     c-1 = 01111
+//     step -> 4
+//     c = 00000
+//     that means -> a^b == 0 -> a and b are equal.
+
 
     return count;
 

README.md

@@ -59,12 +59,16 @@ It will be a complete roadmap for your placement prep.
          1️⃣ [Tutorialpoint](https://www.tutorialspoint.com/java/index.htm)   
          2️⃣ [GFG](https://www.geeksforgeeks.org/java/)
          3️⃣ [Scaler Topics](https://www.scaler.com/topics/java/)
+         2️⃣ [GFG](https://www.geeksforgeeks.org/java/)  
+         3️⃣ [Scaler Topics](https://www.scaler.com/topics/java/) 
        * Time Required: same as above    
      * Python
        * Refrences:    
          1️⃣ [Tutorialspoint](https://www.tutorialspoint.com/python/index.htm)   
          2️⃣ [w3schools](https://www.w3schools.com/python/) 
          3️⃣ [Scaler Topics](https://www.scaler.com/topics/python/)
+         2️⃣ [w3schools](https://www.w3schools.com/python/)   
+         3️⃣ [Scaler Topics](https://www.scaler.com/topics/python/) 
        * Time Required: same as above
        * **Important Callout:** Some companies don't allow python as a coice in their online coding test, so prepare accordingly
 </details>