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
2. Add Two Numbers	Solve	Medium	Adobe+14	Linked List Math+1
3. Longest Substring Without Repeating Characters	Solve	Medium	Adobe+20	Hash Table Sliding Window+1
5. Longest Palindromic Substring	Solve	Medium	Accenture+50	Dynamic Programming String+1
7. Reverse Integer	Solve	Medium	Adobe+10	Math
8. String to Integer (atoi)	Solve	Medium	Adobe+8	String
11. Container With Most Water	Solve	Medium	Adobe+8	Array Greedy+1
12. Integer to Roman	Solve	Medium	Adobe+8	Hash Table Math+1
15. 3Sum	Solve	Medium	Adobe+21	Array Sorting+1
16. 3Sum Closest	Solve	Medium	Adobe+6	Array Sorting+1
17. Letter Combinations of a Phone Number	Solve	Medium	Airtel+34	Backtracking Hash Table+1
18. 4Sum	Solve	Medium	Adobe+8	Array Sorting+1
19. Remove Nth Node From End of List	Solve	Medium	Amazon+7	Linked List Two Pointers
22. Generate Parentheses	Solve	Medium	Adobe+12	Backtracking Dynamic Programming+1
29. Divide Two Integers	Solve	Medium	Adobe+6	Bit Manipulation Math
31. Next Permutation	Solve	Medium	Adobe+19	Array Two Pointers
33. Search in Rotated Sorted Array	Solve	Medium	Accenture+91	Array Binary Search
34. Find First and Last Position of Element in Sorted Array	Solve	Medium	Adobe+18	Array Binary Search
38. Count and Say	Solve	Medium	Adobe+6	String
43. Multiply Strings	Solve	Medium	Adobe+5	Math Simulation+1
45. Jump Game II	Solve	Medium	Adobe+9	Array Dynamic Programming+1
46. Permutations	Solve	Medium	Accenture+39	Array Backtracking
48. Rotate Image	Solve	Medium	Adobe+9	Array Math+1
49. Group Anagrams	Solve	Medium	Adobe+23	Array Hash Table+2
50. Pow(x, n)	Solve	Medium	Adobe+29	Math Recursion
53. Maximum Subarray	Solve	Medium	Adobe+22	Array Divide and Conquer+1
54. Spiral Matrix	Solve	Medium	Accenture+21	Array Matrix+1
55. Jump Game	Solve	Medium	Amazon+8	Array Dynamic Programming+1
56. Merge Intervals	Solve	Medium	Adobe+24	Array Sorting
57. Insert Interval	Solve	Medium	Amazon+4	Array
62. Unique Paths	Solve	Medium	Accoloite+41	Combinatorics Dynamic Programming+1
63. Unique Paths II	Solve	Medium	Amazon+19	Array Dynamic Programming+1
64. Minimum Path Sum	Solve	Medium	Amazon+8	Array Dynamic Programming+1
71. Simplify Path	Solve	Medium	Amazon+3	Stack String
72. Edit Distance	Solve	Medium	Amazon+7	Dynamic Programming String
77. Combinations	Solve	Medium	Adobe+7	Backtracking
78. Subsets	Solve	Medium	Adobe+9	Array Backtracking+1
91. Decode Ways	Solve	Medium	Amazon+8	Dynamic Programming String
92. Reverse Linked List II	Solve	Medium	1218 Global+122	Linked List
95. Unique Binary Search Trees II	Solve	Medium	Adobe+14	Backtracking Binary Search Tree+3
97. Interleaving String	Solve	Medium	Amazon+23	Dynamic Programming String
99. Recover Binary Search Tree	Solve	Medium	Adobe+5	Binary Search Tree Binary Tree+2
102. Binary Tree Level Order Traversal	Solve	Medium	Amazon+8	Binary Tree Breadth-First Search+1
103. Binary Tree Zigzag Level Order Traversal	Solve	Medium	Adobe+8	Binary Tree Breadth-First Search+1
105. Construct Binary Tree from Preorder and Inorder Traversal	Solve	Medium	Amazon+5	Array Binary Tree+3
109. Convert Sorted List to Binary Search Tree	Solve	Medium	Amazon+3	Binary Search Tree Binary Tree+3
113. Path Sum II	Solve	Medium	Amazon+4	Backtracking Binary Tree+2
116. Populating Next Right Pointers in Each Node	Solve	Medium	Adobe+11	Binary Tree Breadth-First Search+3
117. Populating Next Right Pointers in Each Node II	Solve	Medium	Adobe+8	Binary Tree Breadth-First Search+3
122. Best Time to Buy and Sell Stock II	Solve	Medium	Amazon+7	Array Dynamic Programming+1
128. Longest Consecutive Sequence	Solve	Medium	Adobe+9	Array Hash Table+1