Ozon LeetCode Questions
11 questions all-time · 6 easy · 4 medium · 1 hard
| # | Problem | Difficulty | Frequency | Acceptance |
|---|---|---|---|---|
| 1 | Monotonic Array Array | Easy | 100 | 0.6% |
| 2 | Valid Parentheses String, Stack | Easy | 90 | 0.4% |
| 3 | Decode String String, Stack, Recursion | Medium | 90 | 0.6% |
| 4 | Two Sum Array, Hash Table | Easy | 83 | 0.6% |
| 5 | Merge Intervals Array, Sorting | Medium | 83 | 0.5% |
| 6 | Department Top Three Salaries Database | Hard | 83 | 0.6% |
| 7 | Squares of a Sorted Array Array, Two Pointers, Sorting | Easy | 73 | 0.7% |
| 8 | Best Time to Buy and Sell Stock Array, Dynamic Programming | Easy | 73 | 0.6% |
| 9 | Valid Anagram Hash Table, String, Sorting | Easy | 73 | 0.7% |
| 10 | Longest Substring Without Repeating Characters Hash Table, String, Sliding Window | Medium | 73 | 0.4% |
| 11 | Min Stack Stack, Design | Medium | 73 | 0.6% |
How to read this list
The tabs at the top split the questions by how recently people said they were asked in interviews. "Last 30 Days" is the past month, "Last 3 Months" is the past quarter, and so on. "All Time" is every question on record for this company.
Frequency is a score from 0 to 100 for how often a question showed up in that time window. A higher number means it came up more often, so the list starts with the most common questions first. Acceptance is the share of submissions that pass on LeetCode. Click any question to open it on LeetCode.