data structure Swap 2 Number Without Using Temp Variable Stack swap 3 Number Without Temp Reverse a String merge Two Sorted Arrays Find Largest and Smallest in array Find the element that appears twice in an array where every other element appears once Intersection of 2 arrays Palindrome Reverse a String with Space Check Strings are Anagram Duplicate in String Remove Duplicate from Sorted Array Bubble Sort 100 doors Toggle Puzzle Autocomplete Word With Prefix - Tries Binary Search Binary Tree Boyer Moore Majority Vote Algorithm Check Automorphic Number Check Toeplitz Matrix Check if Number is Prime Check if Number is Twisted Prime Connect Multiple Ropes With Minimum Cost Count Distinct Pairs having Difference Equal to K Count Number of Sub Arrays With Odd Sum Count Number of Ways to Reach End of Stare Count Sub Strings in Binary Array With equal Consecutive 0 and 1 Design Browser History Factorial Program Using DP Find Element Before Which All Elements Are Smaller Than It, And After Which All Are Greater Find First Positive Missing Number in Unsorted Array Find Greatest Common Divisor Find Greatest Number by Rearranging Same Digits Find Kth Most Occurring Element in an Array Find Largest Element in Unsorted Array Find Longest Bitonic Subarray Find Longest Palindrome in a String Find Maximum Contiguous Sum Sub Array Kadane algorithm Find Maximum Possible Loot from not Adjacent Houses Find Minimum Platforms Required for Railway or Bus Station Find N th Largest Element in Array Find Next Greater Number by Rearranging Same Digits Find Next Smallest Number by Rearranging Same Digits Find Pair of Elements in Unsorted Array Whose Sum is Equal to Required Number Find Pairs of Nuts and Bolts in Minimum Number of Iteration Find Random Elements From Array Without Repetition Find Row having Maximum 1 in 2 Dimensional Matrix Find Second Largest Element in Unsorted Array Find Smallest Number by Rearranging Same Digits Find Sub Array With Zero Sum Find Sum of Integer Until Becomes Single Digit Find The Longest Sub-Array With Switching Elements Find Triplets of Elements in Array Whose Sum is Equal to Required Number Find Ways to Make Total Amount With Coins Change Find all the prime numbers Find k Closest Elements of a Value in Sorted Array Interleave Array or Alternatively Selected Element Array LRU and MRU Cache Implementation Merge 2 Sorted Linked List in Reverse Order Merge All Overlapping Intervals Print Diagonals of 2 Dimensional Array Print Spiral Matrix Rearrange Positive and Negative Numbers in Array Without Extra Space Remove Even Element from 2 Dimensional Array Search Element In Row And Column Wise Sorted Matrix Sequencing Job with Deadlines Smallest Difference Pair of Values Between Two Sorted Arrays Sort String According to Order Defined by Pattern String Sort the Array With Multiple Duplicated Values Sort the Array having 0s, 1s, 2s and 3s only Sparse Matrix Representation in LinkedList Split Integer Array Into Two Equal Sum Sub Arrays Find Recursive Sum of Integer Find Reverse of Integer Find the Length of Longest Consecutive Integer Sequence from Unsorted Array Find the Rotation Count in Array Check String is Isomorphic Run Length Encoding Data Compression Algorithm Count Occurrences of a Character Without Using Loop Sort Map Based on Value Create Notes Using Magazine Words Find Pair of Elements in Sorted Array Whose Sum is Equal to Required Number Find all Factors of Integer Height of histogram Longest Substring Without Repeating Character Minimum Swap Required to Sort an Array Starts with 1, Jumbled, No Duplicate, Nothing Missing Array left rotation Binary Tree Bit Manipulation Buy and Sell Stock Only Multiple Times to Maximize Profit Buy and Sell Stock Only Once to Maximize Profit Common element in 2 sorted arrays Common element in 3 sorted arrays Fibonacci program using DP Linked List Move all 0's to the end of an array Number of character Deletion Required to Make 2 String Anagrams Print a String 1000 Times Without Using Loop Remove Duplicate from Sorted Integer Array Without Using Set Remove Pair of Consecutive Duplicate Characters Sort Array Containing 3 Digits Only Dutch flag Algorithm Sort Binary Array String Permutation Toggle All Character of String Trapping Rain Water Book traversal links for Data Structure Swap 2 Number Without Using Temp Variable ›
