DSA Atlas
beta
Source data
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Ozon
Problems collected from leetcode for Ozon.
55% Easy
36% Medium
9% Hard
Your progress
0/11
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 All-time
39.1%
Todo
20.
Valid Parentheses
Easy
Top 6 Months
44.2%
Todo
56.
Merge Intervals
Medium
Top 6 Months
51.8%
Todo
121.
Best Time to Buy and Sell Stock
Easy
Top 6 Months
56.8%
Todo
155.
Min Stack
Medium
Top All-time
58.2%
Todo
185.
Department Top Three Salaries
Hard
Top 6 Months
60.5%
Todo
242.
Valid Anagram
Easy
Top 6 Months
68.1%
Todo
394.
Decode String
Medium
Top 6 Months
62.6%
Todo
896.
Monotonic Array
Easy
Top 6 Months
62.3%
Todo
977.
Squares of a Sorted Array
Easy
Top 6 Months
73.8%