# Category Title
561 sorting-algorithm Quick Sort
562 sorting-algorithm Merge Sort
563 sorting-algorithm Insertion Sort
564 sorting-algorithm Selection Sort
565 sorting-algorithm Bubble Sort
566 programming How to swap two numbers using XOR
567 programming How to reverse a string and check Palindrome
568 programming How to count words in a string
569 programming Balanced Parenthesis
570 programming How to find modulus without using modulus operator
571 programming How to swap two numbers without using third variable
572 searching-algorithm Binary Search
573 searching-algorithm Linear Search
574 recursion-algorithm Tower Of Hanoi
575 recursion-algorithm Greatest Common Divisor - GCD
576 recursion-algorithm Fibonacci Series
577 recursion-algorithm Factorial
578 pseudo-code Exercise 1
579 pseudo-code Flow of Control
580 pseudo-code Introduction