LinkedIn Coding Problems

Solve LinkedIn's coding challenges

27
Total Problems
5
Easy
17
Medium
4
Hard
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Master DSA Topics - January, 2026

Practice problems across 75+ categories

LinkedIn Coding Problems

Practice problems frequently asked at LinkedIn 27 problems | 5 Easy | 17 Medium | 4 Hard

# Problem Difficulty Topics
1 Binary Search Tree Iterator Medium
StackTreeDesign
2 Binary Tree Zigzag Level Order Traversal Medium
TreeBreadth-First SearchBinary Tree
3 Can Place Flowers Easy
ArrayGreedy
4 Find Bursty Behavior Medium
Database
5 Find Followers Count Easy
Database
6 Find Leaves of Binary Tree Medium
TreeDepth-First SearchBinary Tree
7 Find Trending Hashtags Medium
Database
8 Find Trending Hashtags II Hard
Database
9 Friend Requests I: Overall Acceptance Rate Unknown
Database
10 Friend Requests II: Who Has the Most Friends Medium
Database
11 Friends With No Mutual Friends Medium
Database
12 Invalid Tweets Easy
Database
13 Kth Largest Element in an Array Medium
ArrayDivide and ConquerSorting
14 Managers with at Least 5 Direct Reports Medium
Database
15 Nested List Weight Sum Medium
Depth-First SearchBreadth-First Search
Showing 1-15 of 27
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public class MyFirstJavaProgram { Edit & Run

   /* This is my first java program.
    * This will print 'Hello, World!' as the output
    */

   public static void main(String []args) {
      System.out.println("Hello, World!"); // prints
   }
}

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