Find Out if a Linked List has a Cycle
Without marking nodes, find out if a linked list has a cycle in it or not.
Data Structures
Dynamic Programming
Fruit Jar Problem
You have 3 jars that are all mislabeled. One jar contains Apple, another contains Oranges and the third jar contains
Brain Teasers
A Man with Burning Ropes
A man has two ropes of varying thickness, those two ropes are not identical, they aren’t the same density nor
Coding Interview Questions
Write a Function for r and 5()
Write a function for r and 5() that returns a random int between 0 and 5, implement r and 7
Logic Puzzles
Out of 10 Coins
Out of 10 coins, one weighs less then the others. You have a scale. How will you determine which one
Math Problems
Probability of a Car Passing By
The probability of a car passing a certain intersection in a 20 minute windows is 0.9. What is the probability
Arrays, Data Structures
Missing or Duplicate Number in an Array
Write a function that will find a missing or duplicated number in an array.
Arrays, Data Structures, Math Problems
Probability Distribution Function
Write code to generate all possible combinations of ‘r’ elements in a given array of size ‘n’?
String Manipulation
Removing a Character from a String
What method can be used to pick or remove any given character from a string?
Algorithms, Dynamic Programming, String Manipulation
Find Longest Palindrome In A String
How will you find out the longest palindrome in a given string.
Bit Manipulation, Data Structures
Find The Depth of a Binary Tree
How will you find the depth of a binary tree?
Bit Manipulation
Check If a Number is Power of Two
What code will you write to check if a number is power of two or not?
Algorithms, Data Structures
Check if a Linked list is a Palindrome or Not
Write code that will check if a linked list is a palindrome or not.
Data Structures
Write a program for producer-consumer problem
Write a program for producer-consumer problem. Use a blocking queue.
Bit Manipulation, Data Structures
Serialize and Deserialize a Binary Tree
Write code to serialize and deserialize a given binary tree.