Google Leetcode Questions

Understanding the type of Google Leetcode Questions, they frequently asked. This article will guide you through what to expect and how to prepare.

1. Overview of Google Company

Google LLC is an American multinational corporation and technology company focusing on online advertising, search engine technology, cloud computing, computer software, quantum computing, e-commerce, consumer electronics, and artificial intelligence (AI).

It has been referred to as “the most powerful company in the world” by the BBC and is one of the world’s most valuable brands due to its market dominance, data collection, and technological advantages in the field of AI.

Alongside Amazon, Apple, Meta, Microsoft, and Google’s parent company, Alphabet Inc. is one of the five Big Tech companies.

2. What Are Google LeetCode Questions?

Google LeetCode questions refer to coding challenges that align with the problem-solving patterns and concepts frequently tested in Google interviews. While Google avoids reusing exact LeetCode-tagged questions, they design problems with similar structures (e.g., matrix traversal, graph algorithms, dynamic programming) but add unique twists to assess adaptability.

3. Why Focus on LeetCode for Google Interviews?

Google’s coding interviews emphasize algorithmic thinking and clean code structure, mirroring the problem-solving style of LeetCode. Practicing these questions builds familiarity with patterns like:

• Graph algorithms (e.g., topological sorting, BFS/DFS)
• String manipulation (e.g., sliding window, anagrams)
• Dynamic Programming (e.g., memoization, state transitions)

4. How to Prepare for Google LeetCode Questions in 2025

1. Master Core Patterns: Use resources LeetCode’s Top Leetcode Questions based on Difficulty.
2. Practice Twists: Solve variations of classic problems.
3. Mock Interviews: Simulate real scenarios using LeetCode’s interview feature.
4. Focus on Medium Difficulty: 70% of Google questions are LC Medium-level with tweaks

List of all Leetcode Problem
1. Easy Problems
2. Medium Problems
3. Hard Problems

Google Leetcode Questions

S.No.	Name	Level of Question	Solution
1	Beautiful Arrangement	Medium	Link
2	Longest Word in Dictionary Through Deleting	Medium	Link
3	Longest Uncommon Subsequence II	Medium	Link
4	Predict the Winner	Medium	Link
5	Magical String	Medium	Link
6	Heaters	Medium	Link
7	Ones and Zeroes	Medium	Link
8	Number of Boomerangs	Medium	Link
9	Maximum XOR of Two Numbers in an Array	Medium	Link
10	Queue Reconstruction by Height	Medium	Link
11	Combination Sum IV	Medium	Link
12	Target Sum	Medium	Link
13	Flatten Nested List Iterator	Medium	Link
14	Binary Search Tree Iterator	Medium	Link
15	Clone Graph	Medium	Link
16	Longest Consecutive Sequence	Medium	Link
17	Game of Life	Medium	Link
18	H-Index	Medium	Link
19	Kth Smallest Element in a BST	Medium	Link
20	Implement Trie Prefix Tree	Medium	Link
21	LRU Cache	Medium	Link
22	Integer Replacement	Medium	Link
23	Peeking Iterator	Medium	Link
24	Encode and Decode Tinyurl	Medium	Link
25	Sort Characters by Frequency	Medium	Link
26	Insert Delete Get Random O(1)	Medium	Link
27	Search a 2D Matrix II	Medium	Link
28	Number of Islands	Medium	Link
29	Word Break	Medium	Link
30	Letter Combinations of a Phone Number	Medium	Link
31	Minimum Height Trees	Medium	Link
32	Super Ugly Number	Medium	Link
33	Maximum Product of Word Lengths	Medium	Link
34	Wiggle Sort II	Medium	Link
35	Verify Preorder Serialization of a Binary Tree	Medium	Link
36	Count Numbers with Unique Digits	Medium	Link
37	Largest Divisible Subset	Medium	Link
38	Remove Duplicate Letters	Medium	Link
39	Find K-Pairs with Smallest Sums	Medium	Link
40	Guess Number Higher or Lower II	Medium	Link
41	Kth Smallest Element in a Sorted Matrix	Medium	Link
42	Linked List Random Node	Medium	Link
43	Longest Absolute File Path	Medium	Link
44	UTF-8 Validation	Medium	Link
45	Decode String	Medium	Link
46	Evaluate Division	Medium	Link
47	N-th Digit	Medium	Link
48	Remove K Digits	Medium	Link
49	Diagonal Traverse	Medium	Link
50	Non-Decreasing Array	Medium	Link
51	Split Array into Consecutive Subsequences	Medium	Link
52	Find K-Closest Elements	Medium	Link
53	Find Duplicate Subtrees	Medium	Link
54	Delete Operation for Two Strings	Medium	Link
55	Shopping Offers	Medium	Link
56	Shortest Unsorted Continuous Subarray	Medium	Link
57	01-Matrix	Medium	Link
58	Subarray Sum Equals K	Medium	Link
59	Construct Binary Tree from Inorder and Postorder Traversal	Medium	Link
60	Partition to K Equal Sum Subsets	Medium	Link
61	Sum of Square Numbers	Medium	Link
62	Find Largest Value in Each Tree Row	Medium	Link
63	Can I Win	Medium	Link
64	Isomorphic Strings	Medium	Link
65	Beautiful Arrangement II	Medium	Link
66	Generate Parentheses	Medium	Link
67	Find Peak Element	Medium	Link
68	Fraction to Recurring Decimal	Medium	Link
69	Perfect Squares	Medium	Link
70	Best Time to Buy and Sell Stock with Cooldown	Medium	Link
71	Merge Intervals	Medium	Link
72	Palindrome Pairs	Hard	Link
73	Sliding Window Maximum	Hard	Link
74	Serialize and Deserialize Binary Tree	Hard	Link
75	Patching Array	Hard	Link
76	Longest Increasing Path in a Matrix	Hard	Link
77	Count of Range Sum	Hard	Link
78	Create Maximum Number	Hard	Link
79	Count of Smaller Numbers After Self	Hard	Link
80	Burst Balloons	Hard	Link
81	Find Median from Data Stream	Hard	Link
82	Basic Calculator	Hard	Link
83	Shortest Palindrome	Hard	Link
84	Maximum Sum of 3-Non Overlapping Subarrays	Hard	Link
85	Reconstruct Itinerary	Hard	Link
86	Expression Add Operators	Hard	Link
87	The Skyline Problem	Hard	Link
88	Word Break II	Hard	Link
89	LFU Cache	Hard	Link
90	Russian Doll Envelopes	Hard	Link
91	Max Sum of Rectangle No Larger Than K	Hard	Link
92	Perfect Rectangle	Hard	Link
93	Trapping Rain Water II	Hard	Link
94	Sliding Window Median	Hard	Link
95	Smallest Good Base	Hard	Link
96	Reverse Pairs	Hard	Link
97	Freedom Trail	Hard	Link
98	Student Attendance Record II	Hard	Link
99	Erect the Fence	Hard	Link
100	Kth Smallest Number in Multiplication Table	Hard	Link
101	24 Game	Hard	Link
102	Redundant Connection II	Hard	Link
103	Find K-th Smallest Pair Distance	Hard	Link
104	Number of Atoms	Hard	Link
105	Best Time to Buy and Sell Stock III	Hard	Link
106	Insert Interval	Medium	Link
107	Maximum Subarray	Medium	Link
108	Spiral Matrix	Medium	Link
109	Plus One	Easy	Link
110	Min Stack	Medium	Link
111	Pow(x,n)	Medium	Link
112	Wildcard Matching	Hard	Link
113	Trapping Rain Water	Hard	Link
114	Next Permutation	Medium	Link
115	Regular Expression Matching	Hard	Link
116	Valid Parentheses	Easy	Link
117	Merge K-Sorted Lists	Hard	Link
118	Word Search II	Hard	Link
119	Median of Two Sorted Arrays	Hard	Link

FAQs

Final Tips for Success

• Avoid memorization: Understand why a solution works.
• Use Premium Features: Access company-specific problem lists on LeetCode.
• Stay Updated: Follow platforms like Blind for real interview experiences

With the right strategy, Google LeetCode questions become a stepping stone—not a roadblock—to your dream job! 🚀

Happy Reading…