Questions tagged [computer-puzzle]

A tag for puzzles dependent upon some degree of computer literacy - for instance, requiring basic familiarity with operating system usage, encryption or programming.

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14
votes
2answers
2k views

Quick Puzzle: What is it?

What is it? Is it zebra? 0 0 1 0 1 1 0 1 1 1 1 0 0 0 1 0 0 1 1 1 0 1 0 1 0 0 1 1 0 1 1 1 1 0 1 1 0 1 1 1 1 0 0 1 0 1 0 0 1 1 0 1 1 1 1 0 1 1 1 1 0 1 1 0 0 1 0 1 0 0 1 1 0 1 1 1 1 0 1 0 0 1 1 0 1 1 1 ...
13
votes
2answers
1k views

Which country am I thinking of?

Fill in the gaps with the answers of the rebuses, and then answer the question: Which country am I thinking of? It's → 2 ↓↲ And they will be the ...
12
votes
4answers
1k views

The Recursive Song

This is a revival attempt of the Fortnightly Topic Challenge. Easter is coming, time to hide some Easter eggs. As you probably know programmers hide them in program code. This type of Easter eggs ...
8
votes
1answer
499 views

What song are these lyrics from?

function me(something){ something++; } something != same; Can you guess the song based on the lyrics above?
7
votes
1answer
355 views

Time to unlearn. What's this movie quote?

This Java snippet describes a quote from a movie. Can you find the quote? void function (int number, int attempts) { { if (number > 1) { do { System.out.println('something'); ...
7
votes
4answers
2k views

Find the hidden message

The Clues All the information you might need is here in the post UmVtZW1iZXIgdGhhdCBhdCBmaXJzdCB5b3UgYXJlIG9mZiBieSBvbmUu DRMExcuKJrKSGE/...
2
votes
2answers
310 views

What is the result of the sum?

$A_1$: lateral-thinking 0H828JD1FGHODB82JOO $A_2$: computer-puzzles 01111011 $A_3$: visuallateral-thinking (Sorry if you are colorblind..) $A_4$: ...
5
votes
1answer
2k views

Image steganography/ hidden message inside image

I have the following image I'm new to solving puzzles and figuring them out, and I have no idea how to approach decryption of this image or how to solve it. I've tried running it on some image ...
6
votes
1answer
1k views

A riddle and a line of text

I have a bit of pseudocode for you, and then an encoded string. The pseudocode will help you untangle the string. It's not the most easily understood pseudocode, and that might (just might) make your ...
9
votes
1answer
208 views

Octospider Cousins

This was inspired by the octospiders in the Rama series by Arthur C. Clarke. Reading the series is not a requirement for solving the puzzle and actually wouldn't help at all besides being able to say, ...
25
votes
2answers
2k views

Death cases of computer technician

Police found the body of a computer technician in front of his computer, with a belly wound. There was a possibility of the victim bleeding to death after being stabbed with a sharp object. There were ...
26
votes
9answers
9k views

Computer riddle: I treat vars like D

Little 'bout my age: far from that of B Yet in my syntax, you will find some C The way I treat vars, that is much like D I do take objects, but I'm not like E If it starts with F, you'll know ...
15
votes
1answer
972 views

Decipher the clues, escape the prison!

Decipher the clues, escape the prison! The guard at the prison, where you have been locked up for misuse of USB ports, has given you one chance to escape, by typing in a certain word. A keyboard is ...
6
votes
2answers
370 views

When hackers hike

One day you were taking a hike in some foothills somewhere near the East Coast of the US. It was clear another hac– umm, hiker had already been there when you came across the following munged ...
9
votes
2answers
318 views

A curious circuit

During our latest space mission to Mars, humankind has retrieved a curious alien circuit. Our historians think it must be a calendar of some sort. After speaking with some alien linguists, we know ...
15
votes
3answers
2k views

Trying to understand an unusual timestamp encountered on the web

I am writing an API to crawl a popular website, eksisozluk, kind of like Turkey's reddit, but more text based. On this website, you can get a list of the popular posts from the path /basliklar/...
10
votes
2answers
644 views

The lone builder

You are a lone builder. You have to build a city on a 10x10 initial empty grid. You can place: a street, which is a blue cell on the top of any cell, a tomato shop, which is a red cell on any cell ...
3
votes
1answer
686 views

Crack the code: JavaRelated

I got a card with a text from a software company, and it tells me to decode it. The only thing written on the card is the following code: ...
1
vote
1answer
170 views

Find the numbers in sequence (Created by PC App) [closed]

Hi all. This image is a series of number in sequence created by computer app. You can see there are five numbers in above row and five numbers in row below. 1) Pls find what will be the numbers ...
10
votes
1answer
727 views

Figure out the language

I recently watched a documentary where they talked about messages sent into space and how they imagined aliens figuring out how to understand them. They used math and geometry in clever ways. I ...
18
votes
3answers
2k views

Puzzling 101: Sums of seventeen numbers

After reading a bit in Meta and the help section, I'm still not sure whether this qualifies as a "good" puzzle in the spirit of the site, but the votes will show - I liked it when I encountered it, ...
28
votes
3answers
9k views

What secret is this massive technical puzzle hiding? [riddles and data puzzles]

There's a game development company which released a mysterious "countdown to reveal" web page, and the page is designed pretty fancy, so everyone in that gaming community is curious about this. This ...
3
votes
2answers
340 views

Strike me down, and I shall become more powerful [closed]

By hitting me, you make everyone understand why you have attacked all before me, as well as why you will hit all others that come after me.
10
votes
3answers
1k views

What is the password to the diamond temple?

You are searching for the diamonds in a remote area. After hours, you see a temple with a diamond engraved. You realise that this is the diamond temple. The temple has the following also engraved: ...
16
votes
2answers
1k views

Strategies for creating a cross sums puzzle with a unique solution

I am looking for strategies for creating a puzzle with a unique solution, and ways of testing for uniqueness. Specifically, I'm trying to create cross sums puzzles. How can you create one with a ...
8
votes
2answers
1k views

The Magician's Card Game

A magician by the name of Jason carries a deck of cards with him everywhere he goes. He has a game where you can say any phrase and a specific card will correspond with that phrase. The goal of the ...
9
votes
1answer
231 views

One, two, and three weeks from now

I just came across this note in my office! Date of writing: Sept. 9th, 2015 In exactly one week from today, and then a week from that date and then another week afterwards, something will ...
55
votes
12answers
16k views

XOR - Is it possible to get a, b, c from a⊕b, b⊕c, a⊕c?

Just got a simple question from a friend; still thinking. Let's share it! Is it possible to get a, b, c when you have a⊕b, b⊕c, a⊕c ? where ⊕ is the boolean ...
-1
votes
1answer
287 views

This code shouldn't be working [closed]

Today I wrote some C# code to generate all subsets of a set. It all worked correctly but then I realized about I'd made a rookie mistake. The puzzle here is not that the code is not working but rather ...
-1
votes
1answer
749 views

The devil virus [duplicate]

A somewhat easy puzzle for those familiar with Linux. The Devil has found a way to make a Linux virus that, once executed on the right Linux machine, will break every single computer in the world ...
13
votes
2answers
1k views

Cryptic message from a former SYSOP

Your sysop recently quit due to what the law division calls "internal struggles". Less fancily, he hated you, and he hated his job. As a parting gift, he left you a program entitled SwanSong.c. Being ...
7
votes
2answers
894 views

What is John's job?

You are a spy trying to find out the job of a man named John. One day, you go up to John's friend, Joe. You tell Joe that if he doesn't tell you what John's job is, you will destroy him. Not wanting ...
3
votes
2answers
1k views

No shoot Sherlock: Test your internet and detective skills with this one!

Clues I have hired Sherlock Holmes to find something for me. We are near my home at an outdoor event and queuing for the refreshment tent. I suspect that the object is to be found somewhere in this ...
7
votes
6answers
399 views

Me and my opposite

I am the most powerful, a group of people. My opposite was once my rival, able to change between others. We can both be found in the same surroundings, often doing very different things. For example, ...
27
votes
5answers
2k views

What does this Java main() method represent?

The main() method in the following Java program is a text rebus. What does it represent? ...
7
votes
2answers
475 views

Name that Song (part dos)

Below is a rebus set, each of which unveils the lyrics of a song. Your job is to name the song and artist, as well as provide a translation for the rebus elements. 1. $\delta{u(mind)} \approx \delta{...
29
votes
6answers
3k views

Five Linux command line rebus puzzles

Solve the following 5 text rebuses, which are in the form of Linux (bash) command lines. Rebus #1 (solved by Prem) # type beep sound > file.txt 2> file2.txt ...
4
votes
4answers
2k views

It rhymes and wonders: who am I?

I tossed off this quick one. Does that make me a tosser? I know what is or isn't,   but never what might be; And many claim to know me,   though many disagree; There are no sly ...
-1
votes
4answers
422 views

Enigmatic Boxes

  b25lIGVhc3k gb25lIHRvIH N0YXJ0Lg==   ...
18
votes
2answers
2k views

Name that Movie

The following each describe a movie title. Figure out what they are! (I'm really bad at intros.) 1. :*:*!! 2. ...
5
votes
4answers
645 views

A tour of 36 cities

Each of 4 people is touring 36 cities separately. Each of the 36 squares in the illustration below represents a city. To make the answers shorter, each city has been given a 1-character name, from A-Z,...
6
votes
3answers
611 views

What does this say?

A geek friend of mine said that this was what he was listening to and I'm apparently supposed to figure it out: ...
12
votes
2answers
427 views

Comparatortionist: The $M_Q$ Functor

The Problem At the intersection of mathematics, computer science, and insanity, we find the $M_Q$ functor${}^1$. $${M_Q} = {\Phi _{{s_1},{s_2}}}\left\{ {\begin{array}{*{20}{l}} {E \leftarrow {\Phi ...
3
votes
2answers
659 views

The door of death!

You have been taken prisoner and thrown in a dungeon. You have escaped your cell, are standing in front of two identical doors. One will lead you to freedom, the other to a place where you will die a ...
7
votes
1answer
684 views

Guess the book/movie?

What book am I talking about (this book has been made into a movie too)? 'c'lee_&_le_choke l8_(! - ial)ee Once the puzzle has been solved it will be easy to ...
7
votes
2answers
1k views

The impossible door!

You are standing at the door to a lost temple in Georgia (the former Soviet Republic). You are an expert in lock picking, but there is no keyhole. You then realise that there is a word that will open ...
5
votes
5answers
972 views

Name that Movie (part deux)

I am writing to inform you that I have constructed another set of clues that will each lead you to a movie title. To make it more interesting, each of the movies has something in common. Whatever that ...
18
votes
2answers
3k views

What does this Java code represent?

The following is a text rebus in the form of a Java program: ...
4
votes
2answers
218 views

Where am I? -Decoding Puzzle

This is a very short and simple decoding computer-puzzle. Where am I? I am in a known location called 370031. Where is this mysterious person? Clue:
8
votes
2answers
577 views

John's first pixel drawing

Story continuation based from this first riddle and this other riddle. Bob was enjoying his day off at home when he received a message from John. John sent him a picture of a piece of art, the first ...