Questions tagged [interactive]
Used for challenges that require user interaction during their runtime
22
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Interactive Maze Solver
Bob got kidnapped and is stuck in a maze. Your job is to help him find a way out. But since it is a very dark and scary maze, he can't see anything. He can only feel walls when he runs in to it, and ...
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Guess The Array
Problem author: https://stats.ioinformatics.org/people/5815
You are given a system with a hidden permutation of the numbers \$1, 2, 3, \ldots, n\$. Your task is to guess this permutation by asking the ...
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Shut down the computer!
Challenge:
In the programming language of your choice, shut down the machine that your code was executed on.
Rules
No shutting down by resource exhaustion (e.g.: forkbomb to force shutdown)
You are ...
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votes
26
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Create a Paint program!
Introduction
One day, you were showing your kid how to draw on a computer. You type mspaint.exe in the run bar. To your horror, it says "No items match your ...
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Play a dumb coinflip game
Write an interactive program or function which allows the user to play The Coinflip Game! The object of the game is to repeatedly flip a coin until you get the same result \$n\$ times in a row.
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Laggy text editor
Your challenge is to write a program that constantly prompts for input, and when input is given, output that five seconds* later. However, your program must continue prompting for input during that ...
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Visualize Visual Eyes
You may or may not remember Xeyes, a demo program that came with (and, as far as I know, still comes with) the X window system. Its purpose was to draw a pair of eyes that followed your mouse cursor:
...
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Make an ed clone
ed is the standard text editor on Unix systems. Your goal is to write an ed clone.
Task
Write a program that reads an input stream and for every received end of line character, print ...
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votes
3
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PNZ (Guess 3 unique digits in order)
From a challenge in a programming book long ago, PNZ is a game where the user must guess three unique digits in the correct order.
Rules:
A random 3 digit number with no repeating digits is ...
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votes
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answers
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Insist on an answer
At runtime, keep prompting for a line of input until the user inputs something (other than an empty newline), i.e. does not just press Enter or OK. Output or result is neither required nor prohibited.
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votes
58
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Create a Checkbox
Write a program that creates a two-state checkbox that people can interact with using a mouse.
Specifically, your program should achieve all of the following:
Have a 8×8 pixel (or larger if desired) ...
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5
votes
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The Great Betting Game
Your task is to create either a console "app" or a function which allows the user to bet on certain numbers or retire / claim rounds.
Bets
Your program or function will prompt for a command ...
- 12.3k
42
votes
25
answers
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Impatiently wait for input
Your task today is to implement a time limit for getting input, a task I've found rather annoying to achieve in most languages.
You will create a program function which prompts the user for input. ...
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votes
23
answers
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Type the Alphabet - as fast as you can!
Your task is to make a program that measures how fast you can type the letters of the English alphabet.
The program shall only accept lowercase letters a to ...
- 4,750
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votes
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Map inputted ASCII characters
Be sure to see the other challenge, Reverse ASCII character map!
The ASCII charset (American Standard Code for Information Interchange) is the most widely-used character encoding standard. ASCII ...
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Implement a Stopwatch
Implement a simple digital Stopwatch,
which will display the time elapsed in seconds and minutes, as described below.
Important
Please read both Display and Controls sections !
Display
Time elapsed, ...
CommunityBot
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votes
5
answers
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See you in another life, brotha!
Most of us LOST fans out there remember the computer that Desmond had to type the characters "4 8 15 16 23 42" in every 108 minutes or the world would end (or would it?).
The challenge here is to ...
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Implement MENACE
Background
MENACE (Machine Educable Noughts And Crosses Engine) is a rudimentary shallow machine learning algorithm for the game Noughts and Crosses, created by British computer scientist Donald ...
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Create a simple line editor
In: a string without line breaks*
Allow the user to edit and submit the line
Out: the modified string (optionally with a trailing linebreak)
The line editor must at minimum allow the user to:
move a ...
CommunityBot
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14
votes
3
answers
815
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Check all the keys of a keyboard
Write the shortest program that waits for every key of a Standard 101 key US Keyboard* to be pressed and then exits writing OK!
Every time a key is pressed the program displays on a new line the ...
CommunityBot
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19
votes
23
answers
2k
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Insist on a new filename
At runtime, keep prompting for a line of input until the user input is not the name of an existing file or directory or other file system item, relative to the current working directory. Then return/...
CommunityBot
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votes
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The shortest distance between two points is a line
Code a program or function to construct an interactive canvas on the screen of at least 400 pixels x 400 pixels in size. The canvas can be any color you wish, bordered or borderless, with or without a ...
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