Dashboard Questions Topics Companies Sheets

Google Interview Questions

969 coding problems asked in Google interviews. Prepare for your technical interview with real questions.

969

Problems

192

Easy

518

Medium

259

Hard

Difficulty

All969 Easy192 Medium518 Hard259

Title	Solve	Difficulty	Companies	Topics
504. Base 7	Solve	Easy	Google	Math
505. The Maze II	Solve	Medium	Bytedance+2	Array Breadth-First Search+5
506. Relative Ranks	Solve	Easy	Accenture+1	Array Heap (Priority Queue)+1
509. Fibonacci Number	Solve	Easy	Adobe+8	Dynamic Programming Math+2
514. Freedom Trail	Solve	Hard	DE Shaw+1	Breadth-First Search Depth-First Search+2
518. Coin Change II	Solve	Medium	Accenture+68	Array Dynamic Programming
519. Random Flip Matrix	Solve	Medium	Google	Hash Table Math+2
520. Detect Capital	Solve	Easy	Amazon+1	String
521. Longest Uncommon Subsequence I	Solve	Easy	Google	String
523. Continuous Subarray Sum	Solve	Medium	Amazon+6	Array Hash Table+2
524. Longest Word in Dictionary through Deleting	Solve	Medium	Google	Array Sorting+2
527. Word Abbreviation	Solve	Hard	Google+1	Array Greedy+3
528. Random Pick with Weight	Solve	Medium	Amazon+7	Array Binary Search+3
530. Minimum Absolute Difference in BST	Solve	Easy	Bloomberg+3	Binary Search Tree Binary Tree+3
531. Lonely Pixel I	Solve	Medium	Google+2	Array Hash Table+1
533. Lonely Pixel II	Solve	Medium	Google	Array Hash Table+1
539. Minimum Time Difference	Solve	Medium	Amazon+1	Array Math+2
540. Single Element in a Sorted Array	Solve	Medium	Amazon+5	Array Binary Search
542. 01 Matrix	Solve	Medium	Adobe+16	Array Breadth-First Search+2
543. Diameter of Binary Tree	Solve	Easy	Amazon+5	Binary Tree Depth-First Search+1
544. Output Contest Matches	Solve	Medium	Google	Recursion Simulation+1
547. Number of Provinces	Solve	Medium	Amazon+6	Breadth-First Search Depth-First Search+2
549. Binary Tree Longest Consecutive Sequence II	Solve	Medium	Google	Binary Tree Depth-First Search+1
551. Student Attendance Record I	Solve	Easy	Google	String
552. Student Attendance Record II	Solve	Hard	Google	Dynamic Programming
556. Next Greater Element III	Solve	Medium	Adobe+10	Math String+1
557. Reverse Words in a String III	Solve	Easy	Accolite+27	String Two Pointers
560. Subarray Sum Equals K	Solve	Medium	Adobe+15	Array Hash Table+1
562. Longest Line of Consecutive One in Matrix	Solve	Medium	Google	Array Dynamic Programming+1
564. Find the Closest Palindrome	Solve	Hard	Amazon+5	Math String
567. Permutation in String	Solve	Medium	Amazon+7	Hash Table Sliding Window+2
569. Median Employee Salary	Solve	Hard	Google	Database
570. Managers with at Least 5 Direct Reports	Solve	Medium	Adobe+7	Database
572. Subtree of Another Tree	Solve	Easy	Amazon+3	Binary Tree Depth-First Search+3
577. Employee Bonus	Solve	Easy	Amazon+2	Database
584. Find Customer Referee	Solve	Easy	Adobe+5	Database
586. Customer Placing the Largest Number of Orders	Solve	Easy	Adobe+4	Database
587. Erect the Fence	Solve	Hard	Google	Array Geometry+1
588. Design In-Memory File System	Solve	Hard	Amazon+5	Design Hash Table+3
589. N-ary Tree Preorder Traversal	Solve	Easy	Google	Depth-First Search Stack+1
593. Valid Square	Solve	Medium	Google+2	Geometry Math
595. Big Countries	Solve	Easy	Adobe+6	Database
604. Design Compressed String Iterator	Solve	Easy	Google	Array Design+2
631. Design Excel Sum Formula	Solve	Hard	Google+1	Array Design+3
632. Smallest Range Covering Elements from K Lists	Solve	Hard	Adobe+8	Array Greedy+4
636. Exclusive Time of Functions	Solve	Medium	DoorDash+4	Array Stack
638. Shopping Offers	Solve	Medium	Amazon+3	Array Backtracking+4
640. Solve the Equation	Solve	Medium	Amazon+1	Math Simulation+1
642. Design Search Autocomplete System	Solve	Hard	Amazon+5	Data Stream Depth-First Search+5
644. Maximum Average Subarray II	Solve	Hard	Google	Array Binary Search+1