C++ Online Test

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The C++ online test assesses candidates' knowledge of programming in the C++ language and their ability to leverage commonly used parts of the C++ Standard Library.

It's an ideal test for pre-employment screening. A good C++ developer needs to be able not only to solve problems using C++ but also recognize when to leverage the functionality provided by the Standard Library to write robust and maintainable code.

This online test requires candidates to solve coding problems in C++ and find and fix bugs in a C++ program.

Recommended Job Roles

C++ Developer
Back-End Developer

Sample Candidate Report


Sample Free Questions

Palindrome

10min
  -  
Easy  
  -  
CODE

C++ Strings Public

A palindrome is a word that reads the same backward or forward.

Write a function that checks if a given word is a palindrome. Character case should be ignored.

For example, isPalindrome("Deleveled") should return true as character case should be ignored, resulting in "deleveled", which is a palindrome since it reads the same backward and forward.

User Input

15min
  -  
Easy  
  -  
CODE

C++ OOP Public

User interface contains two types of user input controls: TextInput, which accepts all characters and NumericInput, which accepts only digits.

Implement the following methods:

  • add on class TextInput - adds the given character to the current value
  • getValue on class TextInput - returns the current value
  • add on class NumericInput - overrides the base class method so that each non-numeric character is ignored

For example, the following code should output "10":

TextInput* input = new NumericInput();
input->add('1');
input->add('a');
input->add('0');
std::cout << input->getValue();

Multiple Choice Test

15min
  -  
Hard  
  -  
CODE

C++ Bug fixing Memory management OOP Public

Multiple choice test has several multiple choice questions. Each question can have only one correct answer. Additionally, timed multiple choice test can specify the time allowed for solving each question in the test.

The code below satisfies this specification, but the customer complained that the memory usage of the program constantly increases. Fix this problem.

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Archive, Runner, Stories, Read Write Execute, Function Result, Needle, Increment, Non Zero, Document Store, Crop Ratio, Increment, Babushka Doll, Weighted Average, Chicken, Paragraph, Username, Chain Link, Hobbies, Node, Segment, Shipping, Train, Battery, Out of Range, Stack to Vector, Limits, Tiles, Date Transform, Entry, Unique Numbers, Rare, Moving Total, Max Sum, Branches, Platformer, Paper Strip, Friend, Unique Name, Window Manager
Skills
C++ Bug fixing Memory management Dynamic programming Arithmetic Strings Data structures Stream Language OOP Iteration Vector Pointers Exceptions Algorithmic thinking Conditional statements Searching Graphs
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