Practice Arena

Coding Challenges

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

88

Total Problems

2/5

Current Page

Search

search

Topic

Company

refresh

No. 46

Permutations Medium

Topics:

Arrays Backtracking

Companies:

Amazon Meta

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

No. 73

Set Matrix Zeroes Medium

Topics:

Arrays Hash Table Matrix

Companies:

Amazon Meta

Acceptance: 0%

Solve Challenge

No. 75

Sort Colors Medium

Topics:

Arrays Sorting Two Pointers

Companies:

Amazon Microsoft

Acceptance: 0%

Solve Challenge

No. 76

Minimum Window Substring Hard

Topics:

Hash Table Sliding Window Strings

Companies:

Amazon Google

Acceptance: 0%

Solve Challenge

No. 78

Subsets Medium

Topics:

Arrays Backtracking Bit Manipulation

Companies:

Amazon Bloomberg

Acceptance: 0%

Solve Challenge

No. 79

Word Search Medium

Topics:

Arrays Backtracking Matrix

Companies:

Amazon Bloomberg

Acceptance: 0%

Solve Challenge

No. 84

Largest Rectangle in Histogram Hard

Topics:

Arrays Stack

Companies:

Amazon Google

Acceptance: 0%

Solve Challenge

No. 88

Merge Sorted Array Easy

Topics:

Arrays Sorting Two Pointers

Companies:

Amazon Meta

Acceptance: 0%

Solve Challenge

No. 94

Binary Tree Inorder Traversal Easy

Topics:

Recursion Stack Trees

Companies:

Amazon Google

Acceptance: 0%

Solve Challenge

No. 98

Validate Binary Search Tree Medium

Topics:

Binary Search Recursion Trees

Companies:

Amazon Bloomberg

Acceptance: 0%

Solve Challenge

No. 100

Same Tree Easy

Topics:

Recursion Trees

Companies:

Amazon Bloomberg

Acceptance: 0%

Solve Challenge

No. 101

Symmetric Tree Easy

Topics:

Recursion Trees

Companies:

Amazon Bloomberg

Acceptance: 0%

Solve Challenge

No. 102

Binary Tree Level Order Traversal Medium

Topics:

Graphs Trees

Companies:

Amazon Meta

Acceptance: 0%

Solve Challenge

Showing 21-40 of 88

2