Preparing CRED coding questions helps candidates strengthen their problem-solving, data structures, algorithms, and coding skills. These questions are commonly asked in CRED online assessments and technical interview rounds.
- Covers the most frequently asked CRED coding questions across Easy, Medium, and Hard difficulty levels.
- Helps candidates prepare for CRED online coding assessments and technical interviews through structured practice.
Easy Level
- Is Subsequence
- Design HashMap
- Climbing Stairs
- Diameter of Binary Tree
- Maximum Swap
- Ransom Note
- Implement Queue using Stacks
Medium Level
- Unlock the Lock
- Longest Substring Without Repeating Characters
- Group Anagrams
- Subarray Sum Equals K
- Top K Frequent Words
- Shortest Path Between Two Files in a File System
- Longest Consecutive Sequence
- Word Search
- Number of Provinces
- Binary Search Tree Iterator
- Decode Ways
- Combination Sum
- Combination Sum II
- Spiral Matrix
- Reverse Linked List
- Copy List with Random Pointer
- Validate Binary Search Tree
- Path Sum III
- Rotting Oranges
- Accounts Merge
- Time Based Key-Value Store
- Insert Delete GetRandom O(1)
- Longest Repeating Character Replacement
- K Closest Points to Origin
- Daily Temperatures
- Evaluate Reverse Polish Notation
- Container With Most Water
- 3Sum
- Add Two Numbers
- Flatten Binary Tree to Linked List
- Search Suggestions System
- Shortest Path in Binary Matrix
- Design Tic-Tac-Toe
- House Robber
- Custom Sort String
- Populating Next Right Pointers in Each Node
- Generate Parentheses
- IP to CIDR
- Minimum Path Sum
- Binary Tree Zigzag Level Order Traversal
- String Compression
- Minimum Add to Make Parentheses Valid
- Rotate List
- Course Schedule II
- Design a Parking Lot System (LLD)
- Design a Bill Due-Date Reminder & Notification System (LLD)
Hard Level
- Vertical Order Traversal of a Binary Tree
- Binary Tree Maximum Path Sum
- Best Time to Buy and Sell Stock IV
- Sliding Window Maximum
- Find Median from Data Stream
- Minimum Window Substring
- Design a Contact Management System
- Design an Idempotent Payment Processing System
- Design CRED's Credit Card Bill Payment System
- Design a De-duplication Service for Duplicate Payment Detection
- Number of Islands I
- Longest Increasing Path in a Matrix
- Trapping Rain Water