grindmapcompany-wise LeetCode
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Optiver LeetCode Questions

7 questions all-time · 2 easy · 4 medium · 1 hard
# Problem Difficulty Frequency Acceptance
1Design Circular Queue
Array, Linked List, Design, Queue
Medium
100
0.5%
2Design Skiplist
Linked List, Design
Hard
92
0.6%
3Design Order Management System
Hash Table, Design
Medium
90
0.8%
4Number of Days Between Two Dates
Math, String
Easy
83
0.5%
5LRU Cache
Hash Table, Linked List, Design, Doubly-Linked List
Medium
74
0.5%
6Best Time to Buy and Sell Stock
Array, Dynamic Programming
Easy
68
0.6%
7Best Time to Buy and Sell Stock II
Array, Dynamic Programming, Greedy
Medium
59
0.7%

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.