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Radib Kar

Technical Content Writer @ IncludeHelp

Radib Kar
Name Radib Kar
Course Bachelor of Engineering (B.E), Computer Science & Eng.
College Jadavpur University
Technical skills C, C++, Java, JavaScript, MATLAB, HTML, CSS

His submissions

Data Structure

  1. Implementation of Queue using two Stacks
  2. Implementation of Stack using two Queues
  3. Level Order Traversal on a Binary Tree | Data Structure
  4. Find the number of leaf nodes in a Binary Tree | Data Structure
  5. Find whether two trees are structurally identical or not | Data Structure
  6. Introduction to Linked List
  7. Single Linked list and its basic operations with traversing implementation
  8. Single linked list insertion
  9. Single linked list deletion
  10. Deleting a node from a linked list without head pointer

C, C++

  1. Queue in C++ Standard Template Library (STL)
  2. C++ program Input list of candidates and find winner of the Election based on received votes
  3. C++ program of Airline Seat Reservation Problem
  4. C++ STL sort function to sort an array or vector
  5. <bits/stdc++.h> as header file in C++
  6. C program to find second largest elements in a one dimensional array
  7. C program to find two largest elements in a one dimensional array
  8. C program to find second smallest element in a one dimensional array
  9. C program to find two smallest elements in a one dimensional array
  10. C Program to Cyclically Permute the Elements of an Array
  11. C program to accept Sorted Array and do Search using Binary Search
  12. C Program to find the Biggest Number in an Array of Numbers using Recursion
  13. C++ program to Sort Names in an Alphabetical Order
  14. C++ program to print all the Repeated Numbers with Frequency in an Array
  15. C++ program to print all the Non-repeated Numbers in an Array
  16. Bitwise Operators and their working with Examples in C
  17. C program to find the Highest Bit Set for any given Integer
  18. C program to check if all the bits of a given integer is one (1)
  19. C program to count number of bits set to 1 in an Integer
  20. C program to display a Linked List in Reverse
  21. C program to check whether a given number is palindrome or not using Bitwise Operator
  22. C program to Reverse only First N Elements of a Linked List
  23. C program to find odd or even number using bitmasking
  24. C program to replace bit in an integer at a specified position from another integer
  25. C program to swap two Integers using Bitwise Operators
  26. C program to Check if nth Bit in a 32-bit Integer is set or not
  27. Merge sort for single linked lists
  28. C++ program to find Union of two single Linked Lists
  29. Find intersection of two linked lists using C++ program
  30. C program to convert a Binary Tree into a Singly Linked List by Traversing Level by Level
  31. Stack in C++ STL (Standard Template Library)
  32. stack::push() function in C++ STL
  33. stack::pop() function in C++ STL
  34. stack::top() function in C++ STL
  35. stack::size() function in C++ STL
  36. stack::empty() function in C++ STL
  37. set::size() function in C++ STL
  38. set::erase() function in C++ STL
  39. set::insert() function in C++ STL
  40. set::empty() function in C++ STL
  41. set::emplace() function in C++ STL
  42. set::clear() function in C++ STL
  43. set::lower_bound() function in C++ STL
  44. set::upper_bound() function in C++ STL
  45. set::find() function in C++ STL
  46. Set in C++ STL (Standard Template Library)
  47. How to convert an integer to string in C++ STL?
  48. String::length() Function with Example in C++ STL
  49. How to convert a character to string in C++ STL?
  50. Accessing character elements from a string in C++ STL
  51. Comparing two string using comparison operators in C++ STL
  52. Concatenating two string using + (plus) operator in C++ STL
  53. std::string in C++ STL (Standard Template Library)
  54. Difference between Call by Reference and Call by Value | Use of Pointer


Interview coding problems/challenges

  1. Run-length encoding (find/print frequency of letters in a string)
  2. Sort an array of 0's, 1's and 2's in linear time complexity
  3. Checking Anagrams (check whether two string is anagrams or not)
  4. Relative sorting algorithm
  5. Finding subarray with given sum
  6. Find the level in a binary tree with given sum K
  7. Check whether a Binary Tree is BST (Binary Search Tree) or not
  8. 1[0]1 Pattern Count
  9. Capitalize first and last letter of each word in a line
  10. Print vertical sum of a binary tree
  11. Print Boundary Sum of a Binary Tree
  12. Reverse a single linked list
  13. Greedy Strategy to solve major algorithm problems
  14. Job sequencing problem
  15. Root to leaf Path Sum
  16. Exit Point in a Matrix
  17. Find length of loop in a linked list
  18. Toppers of Class
  19. Print All Nodes that don't have Sibling
  20. Transform to Sum Tree
  21. Shortest Source to Destination Path
  22. Check for Valid Sudoku
  23. Count and Say sequence
  24. Longest Common Prefix
  25. Palindrome Linked List
  26. Symmetric Tree
  27. Convert Sorted Array to Binary Search Tree
  28. Finding First Bad Version
  29. House Robber
  30. Odd even level difference in a binary tree
  31. Maximum value in a bitonic array
  32. Palindromic Array
  33. Check if Tree is Isomorphic
  34. Count Substrings
  35. Expression Tree
  36. K distance from root
  37. Right View of Binary Tree
  38. Number following the pattern
  39. Diameter of Binary Tree
  40. Intersection Point in Y-Shaped Linked List
  41. Delete nodes greater than or equal to k in a BST
  42. Next Permutation
  43. Reverse Level Order Traversal
  44. Diagonal Traversal of Binary Tree
  45. Leftmost and Rightmost Nodes of Binary Tree
  46. Lowest Common Ancestor in a BST
  47. Generate Gray Code Sequences
  48. Convert Ternary Expression to Binary Tree
  49. Count of strings that can be formed using a, b and c under given constraints
  50. Bottom View of Binary Tree
  51. Minimum Number of Flips
  52. Picking Numbers
  53. Count Occurrences of Anagrams
  54. Sieve of Eratosthenes
  55. Largest Fibonacci Subsequence
  56. Rearrange a string
  57. Coin Change
  58. Ancestors in Binary Tree
  59. All Root to Leaf Paths
  60. Pairs of songs with total durations divisible by 60
  61. Sum of all numbers formed by root to leaf path
  62. Game of XOR
  63. Print bracket number
  64. Longest Palindromic Subsequence
  65. Prisoners and the poison
  66. K-th smallest element in a Binary Search Tree
  67. Find nth Magic number
  68. Level order traversal in spiral form
  69. Absolute sorting on a single linked list
  70. All subarray Sum of an array
  71. Total number of non-decreasing numbers with n digits
  72. Friends pairing problem
  73. Maximum Profit in Stock Buy and sell with at most K Transaction
  74. Floyd Warshall Algorithm
  75. Optimal Strategy for a Game
  76. Highway billboard
  77. Gold Mine Problem
  78. Longest Increasing Subsequence
  79. Minimum Number of coins to make the change
  80. Get Minimum Squares
  81. Count Numbers with unique digits
  82. String Matrix
  83. Maximum Sum Problem
  84. Find number of times a string occurs as a subsequence
  85. Number of Unique Paths
  86. Minimum number of jumps
  87. Rod Cutting
  88. Dice throw
  89. Longest Common Subsequence
  90. Longest Repeating Subsequence

Computer Networks

  1. Multiple Access Protocol | Computer Networks
  2. Random Access methods | Multiple Access protocols | Computer Networks
  3. Aloha: A random access method of multiple access | Computer Networks
  4. Carrier Sense Multiple Access (CSMA) | Computer Networks
  5. FDMA and TDMA: Channelization Processes | Computer Networks
  6. Code-Division Multiple Access (CDMA) | Computer Networks
  7. Logical addressing: IPV4 addressing | Computer Networks
  8. Classful and Classless Addressing: IPV4 addressing | Computer Networks
  9. Subnetting and Supernetting | Computer Networks
  10. Network Address Translation | Computer Networks


  1. Top 10 Programming Languages of the World – 2019 to play with

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