Oracle LeetCode interview questions

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Problem	Difficulty	Frequency	Acceptance
LRU Cache Hash Table Linked List Design +1 MEDIUM	Medium	100.0%	0.5%
Two Sum Array Hash Table EASY	Easy	85.3%	0.6%
Longest Substring Without Repeating Characters Hash Table String Sliding Window MEDIUM	Medium	84.6%	0.4%
Number of Islands Array Depth-First Search Breadth-First Search +2 MEDIUM	Medium	83.3%	0.7%
Group Anagrams Array Hash Table String +1 MEDIUM	Medium	81.0%	0.7%
Top K Frequent Elements Array Hash Table Divide and Conquer +5 MEDIUM	Medium	77.6%	0.7%
Sliding Window Maximum Array Queue Sliding Window +3 HARD	Hard	76.7%	0.5%
Merge k Sorted Lists Linked List Divide and Conquer Heap (Priority Queue) +2 HARD	Hard	75.7%	0.6%
Valid Parentheses String Stack Bracket Sequences EASY	Easy	73.6%	0.5%
Meeting Rooms II Array Two Pointers Greedy +3 MEDIUM	Medium	71.2%	0.5%
Search in Rotated Sorted Array Array Binary Search MEDIUM	Medium	69.9%	0.5%
LFU Cache Hash Table Linked List Design +1 HARD	Hard	69.9%	0.5%
Merge Intervals Array Sorting Quicksort MEDIUM	Medium	68.5%	0.5%
Reverse Linked List Linked List Recursion EASY	Easy	65.5%	0.8%
Remove All Adjacent Duplicates in String II String Stack MEDIUM	Medium	65.5%	0.6%
Longest Palindromic Substring Two Pointers String Dynamic Programming +1 MEDIUM	Medium	63.8%	0.4%
Container With Most Water Array Two Pointers Greedy MEDIUM	Medium	63.8%	0.6%
3Sum Array Two Pointers Sorting MEDIUM	Medium	63.8%	0.4%
Spiral Matrix Array Matrix Simulation MEDIUM	Medium	63.8%	0.6%
Decode String String Stack Recursion MEDIUM	Medium	63.8%	0.6%

Showing 1–20 of 282 matching problems · All Problems

Oracle LeetCode Interview Questions | Grind Practice