Zoho Interview Questions (179)

Practice real interview problems from Zoho

Title	Solution	Practice	Difficulty	Companies	Topics
1. Two Sum	Solution	Solve	Easy	Accenture+128	Array Hash Table
9. Palindrome Number	Solution	Solve	Easy	Accenture+34	Math
13. Roman to Integer	Solution	Solve	Easy	Accenture+44	Hash Table Math+1
14. Longest Common Prefix	Solution	Solve	Easy	Accenture+56	String Trie
20. Valid Parentheses	Solution	Solve	Easy	Accenture+118	Stack String
21. Merge Two Sorted Lists	Solution	Solve	Easy	Adobe+39	Linked List Recursion
26. Remove Duplicates from Sorted Array	Solution	Solve	Easy	Accenture+27	Array Two Pointers
28. Find the Index of the First Occurrence in a String	Solution	Solve	Easy	Adobe+16	String String Matching+1
35. Search Insert Position	Solution	Solve	Easy	Accenture+13	Array Binary Search
66. Plus One	Solution	Solve	Easy	Accenture+13	Array Math
69. Sqrt(x)	Solution	Solve	Easy	Adobe+18	Binary Search Math
70. Climbing Stairs	Solution	Solve	Easy	Accenture+37	Dynamic Programming Math+1
88. Merge Sorted Array	Solution	Solve	Easy	Accenture+41	Array Sorting+1
118. Pascal's Triangle	Solution	Solve	Easy	Accenture+18	Array Dynamic Programming
121. Best Time to Buy and Sell Stock	Solution	Solve	Easy	Accenture+103	Array Dynamic Programming
125. Valid Palindrome	Solution	Solve	Easy	Accenture+41	String Two Pointers
168. Excel Sheet Column Title	Solution	Solve	Easy	Amazon+7	Math String
169. Majority Element	Solution	Solve	Easy	Accenture+21	Array Counting+3
171. Excel Sheet Column Number	Solution	Solve	Easy	Adobe+9	Math String
202. Happy Number	Solution	Solve	Easy	Accenture+30	Hash Table Math+1
205. Isomorphic Strings	Solution	Solve	Easy	Accenture+20	Hash Table String
217. Contains Duplicate	Solution	Solve	Easy	Accenture+22	Array Hash Table+1
219. Contains Duplicate II	Solution	Solve	Easy	Accenture+13	Array Hash Table+1
228. Summary Ranges	Solution	Solve	Easy	Amazon+9	Array
234. Palindrome Linked List	Solution	Solve	Easy	Adobe+17	Linked List Recursion+2
242. Valid Anagram	Solution	Solve	Easy	Accenture+40	Hash Table Sorting+1
258. Add Digits	Solution	Solve	Easy	Adobe+10	Math Number Theory+1
268. Missing Number	Solution	Solve	Easy	Adobe+20	Array Binary Search+4
283. Move Zeroes	Solution	Solve	Easy	Accenture+48	Array Two Pointers
290. Word Pattern	Solution	Solve	Easy	Amazon+9	Hash Table String
345. Reverse Vowels of a String	Solution	Solve	Easy	Accenture+11	String Two Pointers
349. Intersection of Two Arrays	Solution	Solve	Easy	Accenture+19	Array Binary Search+3
387. First Unique Character in a String	Solution	Solve	Easy	Accenture+24	Counting Hash Table+2
392. Is Subsequence	Solution	Solve	Easy	Adobe+18	Dynamic Programming String+1
455. Assign Cookies	Solution	Solve	Easy	Accenture+8	Array Greedy+2
463. Island Perimeter	Solution	Solve	Easy	Amazon+9	Array Breadth-First Search+2
557. Reverse Words in a String III	Solution	Solve	Easy	Amazon+6	String Two Pointers
747. Largest Number At Least Twice of Others	Solution	Solve	Easy	Bloomberg+2	Array Sorting
796. Rotate String	Solution	Solve	Easy	Accenture+12	String String Matching
859. Buddy Strings	Solution	Solve	Easy	DoorDash+2	Hash Table String
917. Reverse Only Letters	Solution	Solve	Easy	Google+6	String Two Pointers
925. Long Pressed Name	Solution	Solve	Easy	Bloomberg+5	String Two Pointers
961. N-Repeated Element in Size 2N Array	Solution	Solve	Easy	Akamai+5	Array Hash Table
989. Add to Array-Form of Integer	Solution	Solve	Easy	Amazon+5	Array Math
1047. Remove All Adjacent Duplicates In String	Solution	Solve	Easy	Amazon+15	Stack String
1108. Defanging an IP Address	Solution	Solve	Easy	Amazon+6	String
1275. Find Winner on a Tic Tac Toe Game	Solution	Solve	Easy	Amazon+6	Array Hash Table+2
1299. Replace Elements with Greatest Element on Right Side	Solution	Solve	Easy	Amazon+3	Array
1394. Find Lucky Integer in an Array	Solution	Solve	Easy	Amazon+5	Array Counting+1
1470. Shuffle the Array	Solution	Solve	Easy	Amazon+5	Array