Brainfuck++ Developer Hiring Guide

Hiring Guide for Brainfuck++ Engineers

Ask the right questions to secure the right Brainfuck++ talent among an increasingly shrinking pool of talent.

Brainfuck++ is an esoteric programming language that is an extension of the original Brainfuck language. It was designed to be minimalistic and difficult to program in, with only eight simple commands, a data pointer and an instruction pointer. The "++" in Brainfuck++ indicates enhancements or additional features over the original Brainfuck. These enhancements typically include new commands for input/output operations, arithmetic operations or flow control mechanisms which are not present in the original Brainfuck. However, despite these additions, Brainfuck++ maintains the core principle of being as minimalistic and challenging as possible. The specific features of a particular version of Brainfuck++ can vary depending on its implementation since there isn't a standard definition for what constitutes a "Brainfucked" version of this language. This makes it even more complex and intriguing for programmers who enjoy tackling unconventional coding challenges.

First 20 minutes

General Brainfuck++ knowledge and experience

The next 20 minutes of the interview should attempt to focus more specifically on the development questions used, and the level of depth and skill the engineer possesses.

What are the uses of the '[' and ']' commands in Brainfuck++?

The '[' and ']' commands are used to create a loop. The loop continues until the value at the current memory cell is zero.

How would you increment the value in the current memory cell in Brainfuck++?

You can increment the value in the current memory cell using the '+' command.

Describe the difference between Brainfuck and Brainfuck++.

Brainfuck++ is an extension of Brainfuck. It includes additional commands like '{', '}', '?', '!', and '@' which are not present in the original Brainfuck.

What are the basic commands in Brainfuck++?

The basic commands in Brainfuck++ are '+', '-', '>', '<', '[', ']', '.', ',', '{', '}', '?', '!', and '@'.

How would you define Brainfuck++?

Brainfuck++ is an esoteric programming language derived from Brainfuck. It has additional commands and features that make it more powerful and flexible than the original Brainfuck.

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What youre looking for early-on

Has the candidate shown the ability to debug Brainfuck++ code effectively?

Debugging is a crucial part of development, and it's especially challenging in Brainfuck++ due to its minimalistic nature.

Does the candidate show a willingness to learn and adapt?

The tech industry is always changing, so it's important for developers to be able to adapt and learn new skills.

Has the candidate demonstrated the ability to work on a team?

Even though Brainfuck++ is a niche language, teamwork is still important in a development role.

Is the candidate able to optimize Brainfuck++ code for efficiency?

Efficient code can make a significant difference in the performance of the final product.

Can the candidate solve complex problems using Brainfuck++?

Problem-solving skills are crucial in any programming role, and especially so in a language as intricate as Brainfuck++.

Does the candidate have a strong understanding of Brainfuck++ language?

This is important because Brainfuck++ is a complex language that requires a deep understanding to use effectively.

Next 20 minutes

Specific Brainfuck++ development questions

The next 20 minutes of the interview should attempt to focus more specifically on the development questions used, and the level of depth and skill the engineer possesses.

Describe the difference between the '?' and '!' commands in Brainfuck++.

The '?' command is used to check if the value at the current memory cell is zero, whereas the '!' command is used to check if the value at the current memory cell is non-zero.

How would you implement a conditional statement in Brainfuck++?

You can implement a conditional statement using the '{', '}', and '?' commands. The '?' command is used to check if the value at the current memory cell is zero.

What is the purpose of the '@' command in Brainfuck++?

The '@' command is used to end the program execution in Brainfuck++.

How would you output the ASCII value of the current memory cell in Brainfuck++?

You can output the ASCII value of the current memory cell using the '.' command.

Describe how the ',' command works in Brainfuck++.

The ',' command is used to accept one byte of input, storing its value in the current memory cell.

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The ideal back-end app developer

What you’re looking to see on the Brainfuck++ engineer at this point.

A skilled Brainfuck++ engineer should possess strong problem-solving skills, exceptional attention to detail, and deep understanding of low-level programming. Red flags could include lack of patience, inability to explain complex concepts in simple terms, or difficulty in debugging or optimizing code.

Digging deeper

Code questions

These will help you see the candidate's real-world development capabilities with Brainfuck++.

What does the following Brainfuck++ code do?

++++++++[>++++++<-]>.<+++++++[>+++++++<-]>+.

This code prints the ASCII characters 'A' and 'B'.

What will be the output of the following Brainfuck++ code?

++++++++[>++++++++<-]>-.

The output will be the ASCII character 'A'.

What does the following Brainfuck++ code do?

+++++[>+++++++++++<-]>.

This code prints the ASCII character 'L'.

What will be the output of the following Brainfuck++ code?

+++++[>+++++++++++++++<-]>.

The output will be the ASCII character 'P'.

What does the following Brainfuck++ code do?

+++++[>++++++++++<-]>+.

This code prints the ASCII character 'K'.

What will be the output of the following Brainfuck++ code?

+++++[>+++++++++++<-]>+.

The output will be the ASCII character 'M'.

Wrap-up questions

Final candidate for Brainfuck++ role questions

The final few interview questions for a Brainfuck++ candidate should typically focus on a combination of technical skills, personal goals, growth potential, team dynamics, and company culture.

How would you implement a Brainfuck++ program that prints 'Hello, World!'?

Here is a simple Brainfuck++ program that prints 'Hello, World!': '++++++++[>++++++<-]>+.+++++++..+++.[>++++++<-]>-.------------.+++.[--->+<]>-----.+++.------.--------.[-]>++++++++[>++++++<-]>+.+++++++..+++.'

Describe how the ':' and ';' commands work in Brainfuck++.

The ':' command is used to start a function definition and the ';' command is used to end it.

How would you implement recursion in Brainfuck++?

You can implement recursion in Brainfuck++ by calling a function within its own definition.

What is the purpose of the '#' command in Brainfuck++?

The '#' command is used to call a function in Brainfuck++.

How would you implement a function in Brainfuck++?

In Brainfuck++, you can define a function using the ':' command followed by a function name, and end it with the ';' command. You can call the function using the '#' command followed by the function name.

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Brainfuck++ application related

Product Perfect's Brainfuck++ development capabilities

Beyond hiring for your Brainfuck++ engineering team, you may be in the market for additional help. Product Perfect provides seasoned expertise in Brainfuck++ projects, and can engage in multiple capacities.