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Udemy

50 popular coding interview problems

via Udemy

Overview

Prepare for your coding interview with these 50 solved and explained popular coding problems

What you'll learn:
  • How to solve coding interview problems
  • How to use recursion, dynamic programming, memoization, divide and conquer, backtracking...
  • How to solve problems related to various data structures

WARNING: The instructor is not currently available to answer questions regarding this course


Preparing for coding interviews? Competitive programming? Then this course will help you for sure: 50 well-chosen problems to increase your problem-solving skills!

Many algorithms concepts covered: dynamic programming, divide and conquer, memoization, backtracking...

And many data structures used: arrays, hashmaps, sets, trees, stacks...

And also, time and space complexity analysis is provided for every problem!


Problems covered:

1- Find pair that sums up to k

2- First repeating character

3- Remove duplicates

4- Find the duplicate

5- Tree depth first search

6- Maximum subarray

7- Reverse a binary tree

8- Longest substring without repeating characters

9- Reverse a linked list

10- Peak finding

11- Palindrome linked list

12- Longest possible palindrome

13- Get substring index

14- Tree breadth first search

15- Sort a linked list

16- Valid binary search tree

17- Minimum cost path in matrix

18- Balanced binary tree

19- Paths in matrix

20- Tree breadth first search II

21- Product of array except self

22- Jump to last index

23- Graph depth first search

24- Graph breadth first search

25- String subsequences

26- Valid brackets

27- Flatten a binary tree

28- Lowest common ancestor

29- Minimum in rotated sorted array

30- Add two linked lists

31- Ways to climb stairs

32- Subsets that sum up to k

33- Ways to decode

34- Remove node from binary search tree

35- Array permutations

36- Longest common subsequence

37- Longest consecutive sequence

38- Edit distance

39- Count sorted vowel strings

40- Smallest number after removing k digits

41- Merge intervals

42- Insert interval

43- Binary tree max sum

44- 0-1 Knapsack

45- Shortest palindrome

46- Coin change

47- Word search

48- N-queens

49- Word ladder

50- Longest increasing subsequence

Syllabus

  • 0- Introduction
  • 1- Find pair that sums up to k
  • 2- First repeating character
  • 3- Remove duplicates
  • 4- Find the duplicate
  • 5- Tree depth first search
  • 6- Maximum subarray
  • 7- Reverse binary tree
  • 8- Longest substring without repeating characters
  • 9- Reverse linked list
  • 10- Peak finding
  • 11- Palindrome linked list
  • 12- Longest possible palindrome
  • 13- Get substring index
  • 14- Tree breadth first search
  • 15- Sort linked list
  • 16- Valid binary search tree
  • 17- Minimum cost path in matrix
  • 18- Balanced binary tree
  • 19- Paths in matrix
  • 20- Tree breadth first search II
  • 21- Product of array except self
  • 22- Jump to last index
  • 23- Graph depth first search
  • 24- Graph breadth first search
  • 25- String subsequences
  • 26- Valid brackets
  • 27- Flatten binary tree
  • 28- Lowest common ancestor
  • 29- Minimum in rotated sorted array
  • 30- Add two linked lists
  • 31- Ways to climb stairs
  • 32- Subsets that sum up to k
  • 33- Ways to decode
  • 34- Remove node from binary search tree
  • 35- Array permutations
  • 36- Longest common subsequence
  • 37- Longest consecutive sequence
  • 38- Edit distance
  • 39- Count sorted vowel strings
  • 40- Smallest number after removing k digits
  • 41- Merge intervals
  • 42- Insert interval
  • 43- Maximum path sum
  • 44- 0-1 Knapsack
  • 45- Shortest palindrome
  • 46- Coin change
  • 47- Word search
  • 48- N-queens
  • 49- Word ladder

Taught by

Inside Code

Reviews

4.4 rating at Udemy based on 383 ratings

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