Code Library

1. Find minimum
2. Minimum changes from one string to another
3. Swap characters of a string
4. Next Lexicographic Permutation of a String
5. Driver of print next permutation XOR operations
6. input a vector
7. Finding unique element in series
8. Finding no of X such that n + x = n ^ x
9. Gaming array problem
10. power function for large numbers with mod
11. Catalan Numbers
12. Setting a bit at a position in a number
13. Check if a bit at a position is set or no
14. Clear a bit at a position
15. Count number of set bits
16. Counting set bits the other way
17. The assignment problem
18. Running sum problem
19. Shuffled array problem
20. Richest customer wealth problem (Maximum row)
21. Number of ways to distribute extra candies
22. Number of identical pairs
23. Number of jewels in a given stone
24. Number of values smaller than current
25. Difference between product and sum of digits
26. Number of steps to reduce to 0
27. Decompress List of values
28. Creating an array as directed
29. Transalte strings in () to normal form
30. Counting the number of items matching a rule
31. Sum of all values in a BST in the given range
32. Converting linked list of Binary numbers to decimal
33. Finding the higest peak
34. Number of digits in a number
35. Find the numbers with even digits
36. Make the largest possible number with 5 & 4
37. Query Problem: Number of students busy currently
38. Number of people not arranged in order of height
39. Simpler power function
40. Can we create the target word on sum of the numbers the first two words represent
41. Swap characters
42. Reverse a string stored as a vector
43. Returns length of linked list
44. Returns middle node of a linked list
45. Delete a node in a linked list
46. Invert a binary tree 47 . Returns non repeating element
47. Returns most occurring element
48. Returns sum of digits of a number
49. Binary search
50. First Unique character in a string
51. Maximum consecutive occurence of X
52. Does the sum of squares of digits continous end with 1
53. tells if a number is a palindrome
54. tells if is a subsequence
55. Maximum sub array (kadane's algorithm)
56. returns indices to add to get target value
57. Checks consecutive similarity record
58. Groups binary data into 2-bit 1-bit groups
59. Tells if guess correct or no
60. Guess the number by knowledge of if guess higher or lower (works in logN)
61. tells if a number is a power of two
62. Number atleast twice of others
63. Number of rows whten n elements stacked like a staircase
64. Search position to insert a value in a sorted array
65. tells if a number is a power of 4
66. Finds first bad version in a series 1 to n
67. Word counter
68. reversing a integer
69. Finds best combination of flights to send N people to city A and N to city B
70. Counting sort for array with numbers 0,1,2 (inplace)
71. Creating a random set to store different values
72. returns starting and ending positions of target value
73. Binary search on a rotated sorted array
74. Longest Paranthesis match
75. GCD with template
76. Bubble sort (inplace)
77. Depth first Search
78. Breadth first Search
79. Decimal to binary value in array
80. Brute force pattern mathcing
81. Binary Search Tree -- creation
82. Insert into a BST
83. Inorder traversal BST
84. Postorder traversal BST
85. Preorder traversal BST
86. Dijkstras algorithm
87. Heapify
88. Floyd's Algorithm
89. Heap Sort
90. Insertion Sort
91. Insertion sort
92. Stack manipularion
93. Swap
94. Fibonacci Print with loops
95. Initialise Union-Find
96. Find function
97. Union function