1. Maximum water that can be stored between two buildings
  2. Find the node with maximum value in a Binary Search Tree using recursion
  3. Count pairs with set bits sum equal to K
  4. Sort the character array based on ASCII % N
  5. Delete Nth node from the end of the given linked list
  6. Print first N Mosaic numbers
  7. Minimum steps required to convert the matrix into lower hessenberg matrix
  8. Find the first duplicate element in the linked list
  9. Find the sum of Eigen Values of the given N*N matrix
  10. Encrypt the given string with the following operations
  11. Maximum XOR with given value in the path from root to given node in the tree
  12. Sequence with sum K and minimum sum of absolute differences between consecutive elements
  13. Minimum and maximum possible length of the third side of a triangle
  14. Check if all the elements can be made equal on dividing with X and Y
  15. Distinct strings such that they contains given strings as sub-sequences
  16. Case-specific sorting of Strings in O(n) time and O(1) space
  17. Count pairs in an array such that the absolute difference between them is ≥ K
  18. Minimum Bitwise XOR operations to make any two array elements equal
  19. Count equal pairs from given string arrays
  20. Map every character of one string to another such that all occurrences are mapped to the same character
  21. Append a digit in the end to make the number equal to the length of the remaining string
  22. Find area of the larger circle when radius of the smaller circle and difference in the area is given
  23. Longest subsequence with at least one character appearing in every string
  24. Maximum sum contiguous nodes in the given linked list
  25. Check if the given string is vowel prime
  26. Card Shuffle Problem | TCS Digital Advanced Coding Question
  27. Find the sum of elements of the Matrix generated by the given rules
  28. Repeat substrings of the given String required number of times
  29. Lexicographical smallest alternate Array
  30. First N terms whose sum of digits is a multiple of 10
  31. Check if an array is increasing or decreasing
  32. Queries for rotation and Kth character of the given string in constant time
  33. Generate N integers satisfying the given conditions
  34. Queries for the smallest and the largest prime number of given digit
  35. Find the winner of the game
  36. Find Maximum Level Sum in Binary Tree using Recursion
  37. Find the occurrence of the given binary pattern in the binary representation of the array elements
  38. Sort groups of numbers and characters separately in a String
  39. Check if two Integer are anagrams of each other
  40. Find the possible permutation of the bits of N
  41. Modulo of a large Binary String
  42. Minimum steps required to reduce all the elements of the array to zero
  43. Queries to find the count of integers in a range that contain the given pattern
  44. Find the quadratic equation from the given roots
  45. Minimum, maximum and average price values for all the items of given type
  46. Find the winner of the Game
  47. Minimum operations required to make the string satisfy the given condition
  48. Count of times second string can be formed from the characters of first string
  49. Count of indices in an array that satisfy the given condition
  50. Print all palindrome dates between the given years
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  1. Reversal algorithm for array rotation
  2. Count Inversions in an array | Set 1 (Using Merge Sort)
  3. A Product Array Puzzle
  4. Minimum number of jumps to reach end
  5. Find the smallest positive number missing from an unsorted array | Set 1
  6. Maximum Product Subarray
  7. Boundary Traversal of binary tree
  8. Find the element that appears once
  9. Dijkstra's shortest path algorithm | Greedy Algo-7
  10. Bellman–Ford Algorithm | DP-23
  11. Find if a string is interleaved of two other strings | DP-33
  12. Anagram Substring Search (Or Search for all permutations)
  13. An Interesting Method to Generate Binary Numbers from 1 to n
  14. Minimum time required to rot all oranges
  15. Find the longest path in a matrix with given constraints
  16. Count number of subsets of a set with GCD equal to a given number
  17. Modular Exponentiation (Power in Modular Arithmetic)
  18. Overview of Data Structures | Set 2 (Binary Tree, BST, Heap and Hash)
  19. Gray to Binary and Binary to Gray conversion
  20. Rearrange characters in a string such that no two adjacent are same
  21. Stack Data Structure (Introduction and Program)
  22. Check if a given string is a valid number (Integer or Floating Point) | SET 1(Basic approach)
  23. Minimum rotations required to get the same string
  24. Merge two sorted lists (in-place)
  25. Remove all leaf nodes from the binary search tree
  26. k-th number in the Odd-Even sequence
  27. Maximum AND value of a pair in an array
  28. Camel case of a given sentence
  29. Check if any valid sequence is divisible by M
  30. Print equal sum sets of array (Partition problem) | Set 1
  31. Alternatively Merge two Strings in Java
  32. Printing frequency of each character just after its consecutive occurrences
  33. Check if all sub-numbers have distinct Digit product
  34. Absolute difference between the Product of Non-Prime numbers and Prime numbers of an Array
  35. Find number of Positional Elements
  36. Count pairs in an array such that both elements has equal set bits
  37. Count occurrences of a character in a repeated string
  38. Sort an array according to the increasing count of distinct Prime Factors
  39. Sum of elements in an array having prime frequency
  40. Sum of Bitwise-OR of all subarrays of a given Array | Set 2
  41. Check if a number is perfect square without finding square root
  42. Program to Encrypt a String using ! and @
  43. Maximum water that can be stored between two buildings
  44. Run Length Decoding in Linked List
  45. Iterative approach to print all permutations of an Array
  46. Program to find the next prime number
  47. Find permutation with maximum remainder Sum
  48. Product of elements in an array having prime frequency
  49. XOR of K largest prime and composite numbers from the given array
  50. XOR of K smallest prime and composite numbers from the given array