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Elevo
Practice Arena

Coding Challenges

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

60
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No. 1
Two Sum Easy
Topics:
Arrays Hash Table
Companies:
Amazon Google
Acceptance: 0%
Solve Challenge
No. 3
Longest Substring Without Repeating Characters Medium
Topics:
Hash Table Sliding Window Strings
Companies:
Amazon Bloomberg
Acceptance: 0%
Solve Challenge
No. 4
Median of Two Sorted Arrays Hard
Topics:
Arrays Binary Search
Companies:
Amazon Apple
Acceptance: 0%
Solve Challenge
No. 7
Reverse Integer Medium
Topics:
Math
Companies:
Apple Bloomberg
Acceptance: 0%
Solve Challenge
No. 11
Container With Most Water Medium
Topics:
Arrays Greedy Two Pointers
Companies:
Amazon Google
Acceptance: 0%
Solve Challenge
No. 14
Longest Common Prefix Easy
Topics:
Strings
Companies:
Adobe Amazon
Acceptance: 0%
Solve Challenge
No. 15
3Sum Medium
Topics:
Arrays Sorting Two Pointers
Companies:
Amazon Google
Acceptance: 0%
Solve Challenge
No. 17
Letter Combinations of a Phone Number Medium
Topics:
Backtracking Strings
Companies:
Amazon Google
Acceptance: 0%
Solve Challenge
No. 20
Valid Parentheses Easy
Topics:
Stack Strings
Companies:
Amazon Google
Acceptance: 0%
Solve Challenge
No. 22
Generate Parentheses Medium
Topics:
Backtracking Dynamic Programming Strings
Companies:
Amazon Google
Acceptance: 0%
Solve Challenge
No. 23
Merge k Sorted Lists Hard
Topics:
Heap Linked List Sorting
Companies:
Amazon Google
Acceptance: 0%
Solve Challenge
No. 33
Search in Rotated Sorted Array Medium
Topics:
Arrays Binary Search
Companies:
Google Meta
Acceptance: 0%
Solve Challenge
No. 42
Trapping Rain Water Hard
Topics:
Arrays Dynamic Programming Stack
Companies:
Amazon Goldman Sachs
Acceptance: 0%
Solve Challenge
No. 48
Rotate Image Medium
Topics:
Arrays Math Matrix
Companies:
Amazon Apple
Acceptance: 0%
Solve Challenge
No. 49
Group Anagrams Medium
Topics:
Arrays Hash Table Sorting
Companies:
Amazon Google
Acceptance: 0%
Solve Challenge
No. 53
Maximum Subarray Medium
Topics:
Arrays Dynamic Programming
Companies:
Amazon Google
Acceptance: 0%
Solve Challenge
No. 55
Jump Game Medium
Topics:
Arrays Dynamic Programming Greedy
Companies:
Amazon Google
Acceptance: 0%
Solve Challenge
No. 56
Merge Intervals Medium
Topics:
Arrays Sorting
Companies:
Amazon Google
Acceptance: 0%
Solve Challenge
No. 62
Unique Paths Medium
Topics:
Dynamic Programming Math
Companies:
Amazon Bloomberg
Acceptance: 0%
Solve Challenge
No. 70
Climbing Stairs Easy
Topics:
Dynamic Programming Math
Companies:
Amazon Apple
Acceptance: 0%
Solve Challenge
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