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C++ Assessment Test

This C++ test evaluates candidates' understanding of two-pointers, arrays, and binary search techniques, essential for backend development roles.

Proficiency Level
Beginner-Expert
Experience
0-8 years
Duration
45 mins
WeCP Verified
WeCP
Subject Matter Expert
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Use Case

  • Assesses C++ fundamentals: function pointers, templates, polymorphism.
  • Identifies resource management skills: RAII, move assignment operator.
  • Evaluates problem-solving: binary search, arrays in team selection.
  • Helps identify competent, entry-level backend developers in C++.

Skills Covered

C++
Two-Pointers
Binary Search
Arrays

About

C++ Assessment Test

This C++ test is designed to assess the proficiency of candidates in utilizing two-pointers, arrays, and binary search techniques, which are crucial for backend development tasks. It evaluates the ability to implement efficient algorithms and solve complex problems using C++. The test is structured to challenge the candidate's understanding of these concepts and their application in real-world scenarios, ensuring they possess the necessary skills for backend development roles. By focusing on these key areas, the assessment provides a comprehensive evaluation of the candidate's technical capabilities in C++.

Target Audience

This assessment is ideal for evaluating candidates for roles such as Backend Developer, Software Engineer, and C++ Developer.

Prerequisites
  • Strong understanding of C++ programming language
  • Familiarity with two-pointer technique
  • Knowledge of array manipulation and operations
  • Proficiency in implementing binary search algorithms
  • Ability to solve complex problems using C++
  • Understanding of algorithm optimization techniques
  • Experience with debugging and testing C++ code
Test Overview
Duration
45 mins
Questions
11
Passing Score
70%

Questions

Analyse the code
Lambda Functions
Lambda Functions
C++
Programming Language
MCQ
L2
What this question evaluates
This question evaluates the candidate's understanding of function pointers and lambda functions in the context of C++ programming. It requires the candidate to analyze a code snippet and determine which lines will throw errors based on the given function signatures.
Type:
Programming
Difficulty:
Medium
Time:
1 mins
Attempts:
100+
Success Rate:
70.01%
Obtain the output as 18
Lambda Expressions
Lambda Expressions
C++
Programming Language
MCQ
L2
What this question evaluates
This question evaluates the candidate's understanding of lambda expressions and their syntax in C++. It requires knowledge of lambda expression syntax and how to apply it in the given context to produce a specific output.
Type:
Programming
Difficulty:
Medium
Time:
1 mins
Attempts:
100+
Success Rate:
70.01%
Accumulate function in C++
Template Classes
Template Classes
C++
Programming Language
MCQ
L2
What this question evaluates
This question evaluates a candidate's understanding of the accumulate function in the C++ Standard Library. It tests the candidate's knowledge of iterators, algorithm design, and binary operations. The candidate must determine which code snippet is equivalent to the behavior of the accumulate function.
Type:
Programming
Difficulty:
Medium
Time:
1 mins
Attempts:
100+
Success Rate:
70.01%
Predict the output
Runtime Polymorphism
Runtime Polymorphism
C++
Programming Language
MCQ
L2
What this question evaluates
This question assesses the candidate's understanding of inheritance, polymorphism, and memory management in C++ programming.
Type:
Programming
Difficulty:
Medium
Time:
1 mins
Attempts:
100+
Success Rate:
70.01%
Analyze the code
Move Semantics
Move Semantics
C++
Programming Language
MCQ
L2
What this question evaluates
This question assesses the candidate's understanding of rvalue expressions in C++ and their ability to differentiate valid examples from invalid ones.
Type:
Programming
Difficulty:
Medium
Time:
1 mins
Attempts:
100+
Success Rate:
70.01%
Analyse the code
Template Classes
Template Classes
C++
Programming Language
MCQ
L2
What this question evaluates
This question tests the candidate's understanding of class templates and template specialization in C++. It requires knowledge of how templates are defined and how specialization can be used to define specific implementations for certain template arguments.
Type:
Programming
Difficulty:
Medium
Time:
1 mins
Attempts:
100+
Success Rate:
70.01%
RAII-class instance in C++
RAII in C++
RAII in C++
C++
Programming Language
MCQ
L2
What this question evaluates
This question evaluates the candidate's understanding of Resource Acquisition Is Initialization (RAII) principle in C++. It tests their knowledge of automatic storage duration and the lifetime of objects in different scenarios. The candidate must identify the scenarios in which the resource can be used via an instance of a RAII-class.
Type:
Programming
Difficulty:
Medium
Time:
1 mins
Attempts:
100+
Success Rate:
70.01%
Prevent unrecoverable destruction
Move Semantics
Move Semantics
C++
Programming Language
MCQ
L2
What this question evaluates
This question evaluates the candidate's knowledge of resource management and the move assignment operator in C++. It requires understanding of how to prevent unrecoverable destruction of resources when using the move assignment operator.
Type:
Programming
Difficulty:
Medium
Time:
1 mins
Attempts:
100+
Success Rate:
70.01%
Resource acquisition fails in C++
RAII in C++
RAII in C++
C++
Programming Language
MCQ
L2
What this question evaluates
This question evaluates the candidate's knowledge of resource acquisition in C++. It assesses their understanding of the consequences of using the Resource Acquisition Is Initialization principle. The candidate must determine what happens to resources acquired by fully-constructed members and base subobjects when resource acquisition fails.
Type:
Programming
Difficulty:
Medium
Time:
1 mins
Attempts:
100+
Success Rate:
70.01%
Predict the output
Runtime Polymorphism
Runtime Polymorphism
C++
Programming Language
MCQ
L2
What this question evaluates
This question evaluates the candidate's understanding of polymorphism in object-oriented programming. It requires knowledge of virtual functions and how they allow derived classes to override base class functions. The candidate must be able to predict the output of code that involves virtual function calls and object destruction.
Type:
Programming
Difficulty:
Medium
Time:
1 mins
Attempts:
100+
Success Rate:
70.01%
Winning Team
Binary Search
Binary Search
Easy
IT-Computer Sciences
L2
Programming (Algorithms)
What this question evaluates
This question assesses the candidate's ability to select a team with minimal students to solve all competition problems. It evaluates skills in problem-solving, team composition, and understanding of power requirements in subjects.
Type:
Programming
Difficulty:
Easy
Time:
30 mins
Attempts:
100+
Success Rate:
70.01%
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Dashboard mockup
Hiroshi Tanaka
Candidate
Passed
85%
AI Summary
Skills Performance
Score
C++
87%
Two-Pointers
80%
Binary Search
85%
Arrays
82%
Areas of Improvement
Review
Arrays
Practice
Two-Pointers
Skill Assessment
Detailed evaluation of technical skills and problem-solving abilities.
AI Analysis
Machine learning-powered insights into candidate performance patterns.
Benchmarking
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Action Items
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