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FAANG Interview Questions

Most asked problems at top tech companies

18 Easy44 Medium13 Hard
0 of 75 solved0%

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Showing 75 of 75 problems

01Two Sumeasy
02Longest Substring Without Repeating Charactersmedium
03Longest Palindromic Substringmedium
04Regular Expression Matchinghard
05Longest Common Prefixeasy
063Summedium
07Remove Nth Node From End of Listmedium
08Valid Parentheseseasy
09Merge Two Sorted Listseasy
10Generate Parenthesesmedium
11Search in Rotated Sorted Arraymedium
12Count and Saymedium
13Trapping Rain Waterhard
14Wildcard Matchinghard
15Maximum Subarrayeasy
16Rotate Imagemedium
17Merge Intervalsmedium
18Unique Pathsmedium
19Plus One Linked Listmedium
20Set Matrix Zeroesmedium
21Sliding Window Maximumhard
22Word Searchmedium
23Largest Rectangle in Histogramhard
24Merge Sorted Arrayeasy
25Decode Waysmedium
26Binary Tree Inorder Traversaleasy
27Symmetric Treeeasy
28Balanced Binary Treeeasy
29Binary Tree Zigzag Level Order Traversalmedium
30Maximum Depth of Binary Treeeasy
31Populating Next Right Pointers in Each Nodemedium
32Pascal's Triangleeasy
33Best Time to Buy and Sell Stockeasy
34Best Time to Buy and Sell Stock IIeasy
35Binary Tree Maximum Path Sumhard
36Word Ladderhard
37Longest Consecutive Sequencemedium
38Palindrome Partitioningmedium
39Copy List with Random Pointermedium
40Word Breakmedium
41Linked List Cyclemedium
42LRU Cachehard
43Maximum Product Subarraymedium
44Intersection of Two Linked Listseasy
45Factorial Trailing Zeroeseasy
46Number of Islandsmedium
47Count Primesmedium
48Reverse Linked List IImedium
49Kth Smallest Element in a BSTmedium
50Palindrome Linked Listeasy
51Lowest Common Ancestor of a Binary Treemedium
52Find Missing and Repeatingmedium
53Inorder Successor in BSTmedium
54Find Median from Data Streamhard
55Serialize and Deserialize BSTmedium
56Longest Increasing Subsequencemedium
57Coin Changemedium
58Minimum Path Summedium
59Super Egg Drophard
60Minimum Platformsmedium
61Minimum Insertion Steps to Make a String Palindromehard
62Compare Version Numbersmedium
63Meeting Rooms IImedium
64Merge k Sorted Listshard
65Lowest Common Ancestor of a BSTeasy
66Flatten Binary Tree to Linked Listmedium
67Binary Tree Left Side Viewmedium
684Summedium
69Rotting Orangesmedium
70Next Greater Element Imedium
71Median of Two Sorted Arrayshard
72Count Inversionsmedium
73Maximum Subarray Sumeasy
74Distinct Numbers in Windowmedium
75K Closest Points to Originmedium