Questions tagged [interactive]
Used for challenges that require user interaction during their runtime
22
questions
88
votes
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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 ...
- 3,062
53
votes
58
answers
8k
views
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) ...
- 89.3k
52
votes
6
answers
2k
views
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:
...
- 9,726
51
votes
26
answers
10k
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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 ...
- 777
49
votes
23
answers
10k
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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 ...
- 10.8k
42
votes
25
answers
4k
views
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. ...
- 9,369
36
votes
66
answers
5k
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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.
...
- 29.9k
35
votes
19
answers
2k
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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 ...
- 13.8k
32
votes
20
answers
3k
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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 ...
- 35.6k
27
votes
14
answers
4k
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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 ...
- 43.3k
24
votes
17
answers
2k
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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, ...
- 8,476
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/...
- 29.9k
19
votes
18
answers
5k
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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 ...
- 29.9k
15
votes
3
answers
580
views
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 ...
- 709
14
votes
3
answers
815
views
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 ...
- 1,959
14
votes
2
answers
512
views
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 ...
- 25.7k
12
votes
5
answers
761
views
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 ...
- 755
11
votes
1
answer
531
views
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 ...
- 2,309
10
votes
10
answers
2k
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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.
...
- 3,317
9
votes
3
answers
439
views
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 ...
- 1,178
5
votes
2
answers
231
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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 ...
user100690
-4
votes
5
answers
236
views
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 ...
