Topic: Algorithm-conceptual-questions / Level: Beginner

• 61. What is a red-black tree?
• 62. What is a B-tree?
• 63. Describe the concept of graph cycles.
• 64. What is a topological sort?
• 65. Explain the difference between directed and undirected graphs.
• 66. What is the significance of the shortest path problem?
• 67. What is the traveling salesman problem?
• 68. What is a brute force algorithm?
• 69. Describe a randomized algorithm.
• 70. Explain the concept of a state space in algorithms.
• 71. What is an algorithm for finding the maximum element in an array?
• 72. Describe how to find the minimum element in an array.
• 73. What is an algorithm for reversing a string?
• 74. Explain how to count the frequency of elements in an array.
• 75. What is an algorithm for checking if a string is a palindrome?
• 76. Describe how to merge two sorted arrays.
• 77. What is the significance of the Fibonacci sequence in algorithms?
• 78. Explain how to find the nth Fibonacci number using recursion.
• 79. Describe an algorithm for calculating factorials.
• 80. What is an algorithm for generating permutations of a set?
• 81. Explain the process of calculating combinations.
• 82. What is an algorithm for binary conversion?
• 83. Describe how to implement a simple hash function.
• 84. What is an algorithm for finding common elements in two arrays?
• 85. Explain how to remove duplicates from an array.
• 86. What is an algorithm for sorting a linked list?
• 87. Describe how to find the intersection of two linked lists.
• 88. What is an algorithm for detecting loops in a linked list?
• 89. Explain how to implement a queue using two stacks.
• 90. What is an algorithm for checking if a binary tree is balanced?

• More Levels

• Intermediate
• Advanced