Companies

4.Best time to buy and sell stock with transaction fees

also at 9 more

4

Medium12 co.

Medium

also at 11 more

5

5.Stock span problem

Medium10 co.

Medium

6.Non-overlapping Intervals

also at 9 more

6

Medium22 co.

Medium

Arrays Greedy Algorithms

also at 21 more

7

7.Max Consecutive Ones III

Medium20 co.

Medium

also at 19 more

8

8.Edit distance

Medium24 co.

Medium

9.Match Alphanumerical Pattern in Matrix I

also at 23 more

9

Medium6 co.

Medium

Arrays Hashing

also at 5 more

10

10.Add two numbers in Linked List

Medium38 co.

Medium

Linked List

also at 37 more

11

11.Search in 2D matrix - II

Medium17 co.

Medium

12.Best time to buy and sell stock III

also at 16 more

12

Medium13 co.

Medium

13.Maximum Font To Fit A Sentence In A Screen

also at 12 more

13

Medium1 co.

Medium

14.Topological sort or Kahn's algorithm

also at 0 more

14

Medium9 co.

Medium

Graphs

also at 8 more

15

15.LFU Cache

Hard28 co.

Hard

Hashing Linked List

also at 27 more

16

16.4 Keys Keyboard

Medium9 co.

Medium

17.Minimum insertions to make string palindrome

also at 8 more

17

Medium7 co.

Medium

also at 6 more

18

18.4 Sum

Medium25 co.

Medium

19.Maximum Nesting Depth of the Parentheses

also at 24 more

19

Medium11 co.

Medium

Strings Stack & Queues

also at 10 more

20

20.Koko eating bananas

Medium33 co.

Medium

22.Best Time to Buy and Sell Stock with Cooldown

also at 32 more

21

21.Course Schedule II

Medium26 co.

Medium

Graphs

also at 25 more

22

Medium12 co.

Medium

23.Find the intersection point of Y LL

also at 11 more

23

Medium17 co.

Medium

Linked List

also at 16 more

24

24.Minimum insertions or deletions to convert string A to B

Medium6 co.

Medium

25.Merge two Sorted Lists

also at 5 more

25

Medium32 co.

Medium

Linked List Recursion & Backtracking

also at 31 more

26

26.Maximum Points You Can Obtain from Cards

Medium19 co.

Medium

27.Find Sorted Submatrices With Maximum Element at Most K

also at 18 more

27

Hard4 co.

Hard

28.Next Palindrome Using Same Digits

also at 3 more

28

Medium3 co.

Medium

29.Sparse Matrix Multiplication

also at 2 more

29

Medium6 co.

Medium

Hashing

also at 5 more

30

30.Find peak element

Medium28 co.

Medium

31.Union of two sorted arrays

also at 27 more

31

Medium6 co.

Medium

32.Count number of Nice subarrays

also at 5 more

32

Medium13 co.

Medium

Arrays Hashing+1

also at 12 more

33

33.Parallel Courses

Medium6 co.

Medium

Graphs

also at 5 more

34

34.Maximum Array Hopping Score II

Medium1 co.

Medium

35.Finding the Number of Visible Mountains

also at 0 more

35

Medium2 co.

Medium

also at 1 more

36

36.Trapping Rainwater

Medium48 co.

Medium

37.Longest Substring Without Repeating Characters

also at 47 more

37

Medium51 co.

Medium

39.Single element in sorted array

also at 50 more

38

38.Best Meeting Point

Medium5 co.

Medium

Sorting

also at 4 more

39

Medium23 co.

Medium

40.Longest common subsequence

also at 22 more

40

Medium22 co.

Medium

41.Better Compression of String

also at 21 more

41

Medium1 co.

Medium

Sorting

also at 0 more

42

42.Count subarrays with given sum

Medium36 co.

Medium

Arrays Hashing

also at 35 more

43

43.Minimize Max Distance to Gas Station

Medium8 co.

Medium

44.Maximum Length of Semi Decreasing Subarrays

also at 7 more

44

Medium1 co.

Medium

45.Find Peak Element - II

also at 0 more

45

Medium8 co.

Medium

Arrays Binary Search

also at 7 more

46

46.Reverse Words in a String II

Medium5 co.

Medium

47.Sum of Subarray Ranges

also at 4 more

47

Medium10 co.

Medium

48.Longest common substring

also at 9 more

48

Medium8 co.

Medium

49.Sliding Window Maximum

also at 7 more

49

Medium36 co.

Medium