DSA Atlas
beta
Source data
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Problems collected from leetcode for Pinterest.
2% Easy
61% Medium
36% Hard
Your progress
0/44
All
Easy
Medium
Hard
All topics
Status
Problem
Difficulty
Frequency
Acceptance
Topics
Todo
17.
Letter Combinations of a Phone Number
Medium
Top 6 Months
66.1%
Todo
23.
Merge k Sorted Lists
Hard
Top 6 Months
59.6%
Todo
34.
Find First and Last Position of Element in Sorted Array
Medium
Top 6 Months
48.9%
Todo
38.
Count and Say
Medium
Top 6 Months
62.9%
Todo
39.
Combination Sum
Medium
Top 6 Months
76.5%
Todo
43.
Multiply Strings
Medium
Top 3 Months
44.2%
Todo
63.
Unique Paths II
Medium
Top 6 Months
44.5%
Todo
68.
Text Justification
Hard
Top 6 Months
51.2%
Todo
200.
Number of Islands
Medium
Top 6 Months
64.4%
Todo
253.
Meeting Rooms II
Medium
Top 6 Months
52.7%
Todo
282.
Expression Add Operators
Hard
Top 30 Days
43.2%
Todo
295.
Find Median from Data Stream
Hard
Top 6 Months
54.5%
Todo
311.
Sparse Matrix Multiplication
Medium
Top 6 Months
69.3%
Todo
322.
Coin Change
Medium
Top 3 Months
48.4%
Todo
332.
Reconstruct Itinerary
Hard
Top 3 Months
44.6%
Todo
347.
Top K Frequent Elements
Medium
Top 6 Months
66.4%
Todo
392.
Is Subsequence
Easy
Top 6 Months
49.0%
Todo
410.
Split Array Largest Sum
Hard
Top 3 Months
60.4%
Todo
443.
String Compression
Medium
Top 6 Months
60.0%
Todo
465.
Optimal Account Balancing
Hard
Top 3 Months
50.5%
Todo
490.
The Maze
Medium
Top 6 Months
60.4%
Todo
494.
Target Sum
Medium
Top 6 Months
52.2%
Todo
547.
Number of Provinces
Medium
Top All-time
70.4%
Todo
571.
Find Median Given Frequency of Numbers
Hard
Top 6 Months
42.3%
Todo
642.
Design Search Autocomplete System
Hard
Top 3 Months
50.0%
Todo
720.
Longest Word in Dictionary
Medium
Top 6 Months
54.8%
Todo
721.
Accounts Merge
Medium
Top 6 Months
61.3%
Todo
723.
Candy Crush
Medium
Top 6 Months
77.4%
Todo
759.
Employee Free Time
Hard
Top 6 Months
72.9%
Todo
767.
Reorganize String
Medium
Top 6 Months
57.1%
Todo
815.
Bus Routes
Hard
Top 3 Months
47.3%
Todo
1055.
Shortest Way to Form String
Medium
Top 30 Days
61.7%
Todo
1110.
Delete Nodes And Return Forest
Medium
Top 3 Months
72.5%
Todo
1235.
Maximum Profit in Job Scheduling
Hard
Top 6 Months
54.7%
Todo
1244.
Design A Leaderboard
Medium
Top 6 Months
68.1%
Todo
1293.
Shortest Path in a Grid with Obstacles Elimination
Hard
Top 6 Months
46.3%
Todo
1564.
Put Boxes Into the Warehouse I
Medium
Top 30 Days
67.5%
Todo
1570.
Dot Product of Two Sparse Vectors
Medium
Top 6 Months
89.9%
Todo
1580.
Put Boxes Into the Warehouse II
Medium
Top 6 Months
66.0%
Todo
1723.
Find Minimum Time to Finish All Jobs
Hard
Top 6 Months
45.8%
Todo
1996.
The Number of Weak Characters in the Game
Medium
Top 6 Months
44.6%
Todo
2232.
Minimize Result by Adding Parentheses to Expression
Medium
Top 6 Months
68.1%
Todo
2302.
Count Subarrays With Score Less Than K
Hard
Top 6 Months
62.2%
Todo
2402.
Meeting Rooms III
Hard
Top 6 Months
51.5%