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The Definitive Coding Interview Guide: Crack Whiteboard Questions in C# & Recognize Patterns in the Most Popular Topics
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The Data Structures, Algorithms and Time Complexity Guide
Data Structures + Algorithms to Crack the Coding InterviewOnly in The Data Structures, Algorithms and Time Complexity Guide, learn the best way to answer an interview question, look at the most commonly asked questions, and analyze time complexity of various algorithms. Interview Question Solutions and Time ComplexityLearn through hands-on coding examples and learn to solve problems quickly. Refresh your C# knowledge and solve new problems with the most common beginner interview questions asked by FANG companies. Algorithms & Data Structures – Ultimate Coding Interview PrepLearn the most commonly asked questions by the likes of Facebook, Google, Amazon and Spotify for beginners. Preparing for the C# interview is hard. You need to understand not only concepts but also be able to articulate your thought process as you plan and execute a solution. COURSE BREAKDOWNSection 0: Introduction to Interview QuestionsCourse OverviewFizzBuzz: Print the numbers from 1 to 100 and for multiples of ‘3’ print “Fizz” instead of the number and for the multiples of ‘5’ print “Buzz”.Types of Time Complexity: Learn the types of time complexity in Big-O Notation in order of horrible to good. Section 1: String/Array Interview Questions01 Reverse Words in a String: Given an input string, reverse the string word by word.02 Rotate Array: Rotate an array of n elements to the left by k steps.03 Isomorphic Strings: Given two strings a and b, determine if they are isomorphic. 04 Kth Largest Element in an Array: Find the kth largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not the kth distinct element. Section 2: Matrix Interview Questions01 Set Matrix Zeroes: Given a 2D matrix, if an element is 0, set its entire row and column to 0. Do it in place.02 Spiral Matrix: Given a 2D matrix, return all elements of the matrix in spiral order.03 Number of Islands: Given a 2D grid map of 1s (land) and 0s (water), count the number of islands. Section 3: Linked List Interview Questions01 Implement a Stack Using an Array: Implement a stack using an array.02 Add Two Numbers: You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a linked list. 03 Reverse a Linked List: Reverse a singly linked list. Section 4: Tree Interview Questions01 Inorder Traversal: Perform inorder traversal on a binary tree.02 Preorder Traversal: Perform inorder traversal on a binary tree.03 Postorder Traversal: Perform inorder traversal on a binary tree.04 Binary Tree Maximum Path Sum: Given a binary tree, find the maximum path sum. Section 5: Graph Interview Questions01 Clone an Undirected Graph: Each node in the graph contains a label and a list of its neighbors. Section 6: Sorting and Time Complexity01 Bubble Sort Algorithm: Sort a list with bubble sort.02 Selection Sort Algorithm: Sort a list with selection sort.03 Insertion Sort Algorithm: Sort a list with insertion sort.04 Quick Sort Algorithm: Sort a list with Quick Sort.05 Merge Sort Algorithm: Sort a list with Merge Sort.06 Time Complexity of Different Sorting AlgorithmsSection 7 Dynamic Programming Interview Questions01 Coin Change: You are given coins of different denominations and a total amount of money amount. Write a function to compute the fewest number of coins that you need to make up that amount. 02 Edit Distance: Find the edit distance between two strings.03 Distinct Subsequences: Given a string S and a string T, count the number of distinct subsequences of T in S.04 Maximum Sum Subarray: Find the sum of contiguous subarray within a one-dimensional array of numbers which has the largest sumSection 8 Bit Manipulation Interview Questions01 Bitwise and Shift Operators: Manipulate bits and shift bits to change values.02 Single Number: Given an array of integers, every element appears twice except for one. Find that single one.03 Sum of Two Integers: Calculate the sum of two integers a and b, but you are not allowed to use the operator + and .04 Number of 1 Bits: Take an unsigned integer and return the number of 1′ bits it has (also known as the Hamming weight.)05 Reverse Bits: Reverse the bits of a given 32 bit unsigned integer.06 Bitwise AND of a Range: Given two non-negative long integers, a and b and given a <= b, find the bitwise AND of all integers from a and b.Section 9 Combinations and Permutations Interview Questions01 Permutations: Print all permutations of a given string.02 Distinct Permutations of a String: Print all distinct permutations of a string that contains duplicates.03 Letter Combinations of a Phone Number: Given a digit string, return all possible letter combinations that the number could represent on a phone board. 04 Factor Combination: Return all possible combinations of an integer ns factors. Section 10 Math Interview Questions01 Reverse Integer: Reverse the digits of an integer n.02 Palindrome Number: Determine whether an integer is a palindrome. Do this without extra space
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