CRED

Online Assessment

CREDOnline Assessment

Company-style OA practice sets with full problem statements, sample test cases, and solutions.

4 Sets2 Questions/Set90 minArrayHash TableCountingBinary SearchGreedy

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Practice Sets

CRED Coding Assessment Practice Set 1

90 min2 questions
Q1.
Count Elements With Maximum Frequency
ArrayHash TableCounting
Easy50 marks

Problem Statement

In CRED's technical coding assessment, candidates are evaluated on clean algorithmic problem-solving for "Count Elements With Maximum Frequency".

Given standard input parameters adhering to Array principles, design an optimal algorithm that satisfies all constraints and handles boundary test scenarios efficiently.

Ensure your implementation minimizes memory overhead and executes within the allotted online assessment time limits.

Input Format

  • The first line specifies the dimensions or count of test elements N.
  • The subsequent line(s) contain the input array, string, or graph representation.

Output Format

  • Print the computed result adhering to the required return format.

Constraints

  • 1 <= N <= 10^5
  • -10^9 <= element[i] <= 10^9
  • Time Limit: 2.0 seconds
  • Memory Limit: 256 MB

Edge Cases

  • Empty or single-element input
  • Input containing maximum or minimum boundary values
  • Uniform elements or all-negative test cases

Sample Test Cases

Example 1

Input

nums = [2, 7, 11, 15], target = 9

Output

[0, 1]

Explanation

Applying the optimal Array approach yields the expected solution [0, 1].

Candidate Instructions

  • Identify the core invariant related to Array.
  • Verify edge cases including empty inputs and extreme bounds.
  • Optimize time complexity before submitting.
Time:O(N)
Space:O(N)
Approach:Leverage Array combined with Hash Table, Counting to process the input in optimal O(N) time complexity.
Q2.
Frequency of the Most Frequent Element
ArrayBinary SearchGreedySliding Window
Medium50 marks

Problem Statement

In CRED's technical coding assessment, candidates are evaluated on clean algorithmic problem-solving for "Frequency of the Most Frequent Element".

Given standard input parameters adhering to Array principles, design an optimal algorithm that satisfies all constraints and handles boundary test scenarios efficiently.

Ensure your implementation minimizes memory overhead and executes within the allotted online assessment time limits.

Input Format

  • The first line specifies the dimensions or count of test elements N.
  • The subsequent line(s) contain the input array, string, or graph representation.

Output Format

  • Print the computed result adhering to the required return format.

Constraints

  • 1 <= N <= 10^5
  • -10^9 <= element[i] <= 10^9
  • Time Limit: 2.0 seconds
  • Memory Limit: 256 MB

Edge Cases

  • Empty or single-element input
  • Input containing maximum or minimum boundary values
  • Uniform elements or all-negative test cases

Sample Test Cases

Example 1

Input

nums = [1, 2, 3, 4, 5], k = 3

Output

3

Explanation

Applying the optimal Array approach yields the expected solution 3.

Candidate Instructions

  • Identify the core invariant related to Array.
  • Verify edge cases including empty inputs and extreme bounds.
  • Optimize time complexity before submitting.
Time:O(log N)
Space:O(1)
Approach:Leverage Array combined with Binary Search, Greedy, Sliding Window, Sorting, Prefix Sum to process the input in optimal O(log N) time complexity.

Comprehensive CRED Online Assessment Patterns & Questions

Gain complete transparency into the CRED online assessment process. Prepare effectively with real, verified coding challenges, test patterns, and platform details.

CRED Exact Coding Questions

Wondering what top companies are actually asking in their initial screening rounds? We provide exact Data Structures, Algorithms, and logical reasoning questions reported by candidates who recently took the CRED online tests. Stop guessing and start practicing the right problems.

Test Patterns & Platforms

Understand exactly how many questions to expect, the typical time limits, and the platforms used (e.g., HackerRank, Codility, CodeSignal). Knowing the format in advance is the first step to clearing the CRED OA.

🔥 Why practice these assessments?

  • ✓High ROI: Most candidates are filtered out at the OA stage. Passing the OA guarantees an interview.
  • ✓Real Edge Cases: We include not just the problem statements, but the hidden constraints and edge cases you need to pass all test cases.
  • ✓Optimal Solutions: Learn the time and space complexities required to score perfectly in automated grading systems.