DSA Atlas
beta
Source data
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Coupang
Problems collected from leetcode for Coupang.
6% Easy
65% Medium
29% Hard
Your progress
0/49
All
Easy
Medium
Hard
All topics
Status
Problem
Difficulty
Frequency
Acceptance
Topics
Todo
3.
Longest Substring Without Repeating Characters
Medium
Top 6 Months
39.1%
Todo
10.
Regular Expression Matching
Hard
Top 6 Months
31.0%
Todo
15.
3Sum
Medium
Top All-time
39.1%
Todo
23.
Merge k Sorted Lists
Hard
Top 6 Months
59.6%
Todo
44.
Wildcard Matching
Hard
Top 6 Months
32.0%
Todo
49.
Group Anagrams
Medium
Top 6 Months
72.6%
Todo
53.
Maximum Subarray
Medium
Top 6 Months
53.3%
Todo
56.
Merge Intervals
Medium
Top 6 Months
51.8%
Todo
78.
Subsets
Medium
Top 6 Months
82.3%
Todo
84.
Largest Rectangle in Histogram
Hard
Top 6 Months
49.9%
Todo
115.
Distinct Subsequences
Hard
Top 6 Months
51.9%
Todo
131.
Palindrome Partitioning
Medium
Top 6 Months
74.1%
Todo
139.
Word Break
Medium
Top 6 Months
49.5%
Todo
146.
LRU Cache
Medium
Top 6 Months
47.4%
Todo
200.
Number of Islands
Medium
Top 6 Months
64.4%
Todo
207.
Course Schedule
Medium
Top 6 Months
51.4%
Todo
215.
Kth Largest Element in an Array
Medium
Top 6 Months
68.9%
Todo
224.
Basic Calculator
Hard
Top 6 Months
46.9%
Todo
239.
Sliding Window Maximum
Hard
Top 6 Months
48.8%
Todo
269.
Alien Dictionary
Hard
Top 6 Months
37.2%
Todo
295.
Find Median from Data Stream
Hard
Top 6 Months
54.5%
Todo
334.
Increasing Triplet Subsequence
Medium
Top 6 Months
39.4%
Todo
340.
Longest Substring with At Most K Distinct Characters
Medium
Top 6 Months
50.0%
Todo
355.
Design Twitter
Medium
Top 6 Months
44.7%
Todo
362.
Design Hit Counter
Medium
Top 6 Months
69.7%
Todo
380.
Insert Delete GetRandom O(1)
Medium
Top 6 Months
55.4%
Todo
394.
Decode String
Medium
Top 6 Months
62.6%
Todo
402.
Remove K Digits
Medium
Top 6 Months
36.9%
Todo
460.
LFU Cache
Hard
Top 6 Months
49.2%
Todo
528.
Random Pick with Weight
Medium
Top 6 Months
49.1%
Todo
540.
Single Element in a Sorted Array
Medium
Top 6 Months
59.3%
Todo
588.
Design In-Memory File System
Hard
Top 6 Months
48.4%
Todo
621.
Task Scheduler
Medium
Top 6 Months
63.1%
Todo
638.
Shopping Offers
Medium
Top 6 Months
52.5%
Todo
658.
Find K Closest Elements
Medium
Top 6 Months
49.7%
Todo
694.
Number of Distinct Islands
Medium
Top 6 Months
62.8%
Todo
715.
Range Module
Hard
Top 6 Months
45.0%
Todo
724.
Find Pivot Index
Easy
Top 6 Months
62.7%
Todo
752.
Open the Lock
Medium
Top 6 Months
61.3%
Todo
772.
Basic Calculator III
Hard
Top 6 Months
53.3%
Todo
776.
Split BST
Medium
Top 6 Months
82.2%
Todo
934.
Shortest Bridge
Medium
Top 6 Months
59.5%
Todo
1044.
Longest Duplicate Substring
Hard
Top 6 Months
31.2%
Todo
1062.
Longest Repeating Substring
Medium
Top 6 Months
63.5%
Todo
1146.
Snapshot Array
Medium
Top 6 Months
36.8%
Todo
1762.
Buildings With an Ocean View
Medium
Top 6 Months
80.9%
Todo
2441.
Largest Positive Integer That Exists With Its Negative
Easy
Top 6 Months
74.5%
Todo
2788.
Split Strings by Separator
Easy
Top 6 Months
76.2%
Todo
3026.
Maximum Good Subarray Sum
Medium
Top 6 Months
21.9%