DSA Atlas
beta
Source data
Back to Companies
Linkedin
Problems collected from leetcode for Linkedin.
16% Easy
65% Medium
20% Hard
Your progress
0/178
All
Easy
Medium
Hard
All topics
Status
Problem
Difficulty
Frequency
Acceptance
Topics
Todo
1.
Two Sum
Easy
Top 6 Months
57.5%
Todo
3.
Longest Substring Without Repeating Characters
Medium
Top 3 Months
39.1%
Todo
5.
Longest Palindromic Substring
Medium
Top 6 Months
37.8%
Todo
7.
Reverse Integer
Medium
Top 6 Months
31.9%
Todo
12.
Integer to Roman
Medium
Top 6 Months
71.0%
Todo
13.
Roman to Integer
Easy
Top 6 Months
66.6%
Todo
17.
Letter Combinations of a Phone Number
Medium
Top 3 Months
66.1%
Todo
18.
4Sum
Medium
Top 6 Months
40.6%
Todo
20.
Valid Parentheses
Easy
Top 3 Months
44.2%
Todo
21.
Merge Two Sorted Lists
Easy
Top 6 Months
68.3%
Todo
23.
Merge k Sorted Lists
Hard
Top 6 Months
59.6%
Todo
28.
Find the Index of the First Occurrence in a String
Easy
Top 6 Months
46.7%
Todo
32.
Longest Valid Parentheses
Hard
Top 6 Months
38.8%
Todo
33.
Search in Rotated Sorted Array
Medium
Top 3 Months
44.9%
Todo
34.
Find First and Last Position of Element in Sorted Array
Medium
Top 6 Months
48.9%
Todo
36.
Valid Sudoku
Medium
Top 6 Months
64.5%
Todo
39.
Combination Sum
Medium
Top 6 Months
76.5%
Todo
40.
Combination Sum II
Medium
Top 6 Months
59.5%
Todo
46.
Permutations
Medium
Top 6 Months
81.9%
Todo
47.
Permutations II
Medium
Top 6 Months
63.5%
Todo
50.
Pow(x, n)
Medium
Top 6 Months
38.7%
Todo
53.
Maximum Subarray
Medium
Top 3 Months
53.3%
Todo
56.
Merge Intervals
Medium
Top 6 Months
51.8%
Todo
57.
Insert Interval
Medium
Top 6 Months
45.2%
Todo
61.
Rotate List
Medium
Top 6 Months
42.6%
Todo
62.
Unique Paths
Medium
Top 6 Months
66.8%
Todo
65.
Valid Number
Hard
Top 3 Months
23.0%
Todo
68.
Text Justification
Hard
Top 6 Months
51.2%
Todo
69.
Sqrt(x)
Easy
Top 6 Months
41.8%
Todo
72.
Edit Distance
Medium
Top 6 Months
60.6%
Todo
76.
Minimum Window Substring
Hard
Top 6 Months
47.5%
Todo
81.
Search in Rotated Sorted Array II
Medium
Top All-time
40.1%
Todo
84.
Largest Rectangle in Histogram
Hard
Top 6 Months
49.9%
Todo
88.
Merge Sorted Array
Easy
Top 6 Months
54.9%
Todo
98.
Validate Binary Search Tree
Medium
Top All-time
35.8%
Todo
100.
Same Tree
Easy
Top 6 Months
67.1%
Todo
101.
Symmetric Tree
Easy
Top 6 Months
61.2%
Todo
102.
Binary Tree Level Order Traversal
Medium
Top 6 Months
72.7%
Todo
103.
Binary Tree Zigzag Level Order Traversal
Medium
Top 6 Months
63.7%
Todo
104.
Maximum Depth of Binary Tree
Easy
Top 3 Months
78.2%
Todo
121.
Best Time to Buy and Sell Stock
Easy
Top All-time
56.8%
Todo
126.
Word Ladder II
Hard
Top 6 Months
27.7%
Todo
127.
Word Ladder
Hard
Top 3 Months
45.6%
Todo
128.
Longest Consecutive Sequence
Medium
Top 6 Months
47.1%
Todo
139.
Word Break
Medium
Top 6 Months
49.5%
Todo
141.
Linked List Cycle
Easy
Top 6 Months
54.3%
Todo
143.
Reorder List
Medium
Top 6 Months
65.3%
Todo
146.
LRU Cache
Medium
Top 3 Months
47.4%
Todo
149.
Max Points on a Line
Hard
Top 6 Months
30.7%
Todo
150.
Evaluate Reverse Polish Notation
Medium
Top 6 Months
57.8%
Showing
1
to
50
of
178
questions
←
1
2
...
4
→