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Elevo
Practice Arena

Coding Challenges

Master your programming skills with our curated collection of technical interview problems.

88
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No. 207
Course Schedule Medium
Topics:
Graphs
Companies:
Amazon Google
Acceptance: 0%
Solve Challenge
No. 208
Implement Trie (Prefix Tree) Medium
Topics:
Hash Table Strings
Companies:
Amazon Google
Acceptance: 0%
Solve Challenge
No. 215
Kth Largest Element in an Array Medium
Topics:
Arrays Heap Sorting
Companies:
Amazon Google
Acceptance: 0%
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No. 217
Contains Duplicate Easy
Topics:
Arrays Hash Table Sorting
Companies:
Adobe Amazon
Acceptance: 0%
Solve Challenge
No. 226
Invert Binary Tree Easy
Topics:
Recursion Trees
Companies:
Amazon Google
Acceptance: 0%
Solve Challenge
No. 230
Kth Smallest Element in a BST Medium
Topics:
Binary Search Trees
Companies:
Amazon Google
Acceptance: 0%
Solve Challenge
No. 234
Palindrome Linked List Easy
Topics:
Linked List Recursion Two Pointers
Companies:
Amazon Google
Acceptance: 0%
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No. 238
Product of Array Except Self Medium
Topics:
Arrays
Companies:
Amazon Apple
Acceptance: 0%
Solve Challenge
No. 242
Valid Anagram Easy
Topics:
Hash Table Sorting Strings
Companies:
Amazon Bloomberg
Acceptance: 0%
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No. 268
Missing Number Easy
Topics:
Arrays Bit Manipulation Math
Companies:
Amazon Apple
Acceptance: 0%
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No. 283
Move Zeroes Easy
Topics:
Arrays Two Pointers
Companies:
Amazon Apple
Acceptance: 0%
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No. 287
Find the Duplicate Number Medium
Topics:
Arrays Binary Search Two Pointers
Companies:
Amazon Google
Acceptance: 0%
Solve Challenge
No. 295
Find Median from Data Stream Hard
Topics:
Heap Sorting
Companies:
Amazon Google
Acceptance: 0%
Solve Challenge
No. 297
Serialize and Deserialize Binary Tree Hard
Topics:
Strings Trees
Companies:
Amazon Google
Acceptance: 0%
Solve Challenge
No. 300
Longest Increasing Subsequence Medium
Topics:
Arrays Binary Search Dynamic Programming
Companies:
Amazon Google
Acceptance: 0%
Solve Challenge
No. 322
Coin Change Medium
Topics:
Arrays Dynamic Programming
Companies:
Amazon Bloomberg
Acceptance: 0%
Solve Challenge
No. 338
Counting Bits Easy
Topics:
Bit Manipulation Dynamic Programming
Companies:
Amazon Google
Acceptance: 0%
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No. 347
Top K Frequent Elements Medium
Topics:
Arrays Hash Table Heap
Companies:
Amazon Google
Acceptance: 0%
Solve Challenge
No. 371
Sum of Two Integers Medium
Topics:
Bit Manipulation Math
Companies:
Amazon Google
Acceptance: 0%
Solve Challenge
No. 394
Decode String Medium
Topics:
Recursion Stack Strings
Companies:
Amazon Bloomberg
Acceptance: 0%
Solve Challenge
Showing 61-80 of 88
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