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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19
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, ...
7
votes
6answers
412 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, ...
28
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
484 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{...
30
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 ...
-1
votes
4answers
426 views

Enigmatic Boxes

  b25lIGVhc3k gb25lIHRvIH N0YXJ0Lg==   ...
6
votes
3answers
617 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
442 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
679 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
698 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
982 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 ...
19
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. ...
4
votes
2answers
1k views

Find the cipher algorithm and decode the message

Sam is a computer expert. He works in a Security Company. His son Tim just turned thirteen and is new to C++ programming and ciphertexts . He decides to write a C++ program to make a cipher algorithm. ...
19
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
222 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:
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: A ...
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
606 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 ...
38
votes
4answers
3k views

Multilayer Image Steganography

Alice, Bob, Carol, and Dan are playing a card game. After they all show their cards, Bob notes that by exchanging two cards the order of the players would be reversed; that is, the player with the ...
9
votes
2answers
751 views

Shades of Gray - Perception vs Reality

Within each individual "view-finder" frame below, all of the pixels are the same shade of gray. Frames A, C, and E appear to be a darker gray while frames B and D appear to be lighter. However, based ...
6
votes
2answers
489 views

Twilight Zelda Guardian Puzzle

I'm playing a game (see here), and in it is a puzzle, which I've made a TIKZ graph seen below for illustration: $\hspace{2.5cm}$ There is one player. The player ($\mathscr{L}$) moves from node to ...
8
votes
1answer
834 views

Why am I screaming?

Simply find what is hidden in this picture.
5
votes
1answer
362 views

Permutation At A Railway Track

Engines numbered 1, 2, ..., n are on the line at the left, and it is desired to rearrange(permute) the cars as they leave on the right-hand track. An engine that is on the spur track can be left there ...
22
votes
3answers
2k views

Down the Rabbit Hole

There's a secret hidden in the text below. What mind-blowing truth does it reveal? Not imaginative? Then Zeke's Clues may assist! Unsure, lad? With our patented Obscurity Clues, begin verifiably ...
50
votes
8answers
7k views

James Bond : No Access

James Bond, while working on a top-secret case for many weeks in deep enemy territory, finally collected and stored lots of critical files on his tight-security Linux system. Even though the system ...
5
votes
3answers
671 views

The work of William Shakespeare?

sONneT NUmBEr 18 -- ShAlL i COMPArE theE to A SUMMeR's day? ThOu aRT MOre lOvElY aND more TEMpEratE. rOUgH wiNDS dO ShAkE tHE dArLIng buDs of MAY, anD SuMmER's lEASE HaTH aLl ToO ShOrT A datE. ...
8
votes
1answer
466 views

What band is this?

What music band does this HTML snippet represent? <i style="color:#000">PPPP</i>
13
votes
1answer
1k views

A Quote from what Movie?

Heads up: It's possible to solve this puzzle without writing computer code, but it is intended to be solved with computer help. This is a 2-stage puzzle. Stage 1: Calculation Puzzle Rules: 1. You ...
6
votes
2answers
1k views

Alone in the corner - who am I?

I'm always alone in the corner of the (usually) black/white surface, Although sometimes people come to me at the time of exit, You have to cross 14 bridges for a vacation from me, I'm half of my ...
-2
votes
1answer
436 views

World-wide web or perhaps a bit more narrow-minded?

Beware: solving this riddle requires being technically fluent in both digital platforms described below (using them both is essential). Even though Bootstrap doesn't propagate itself as being narrow-...
4
votes
2answers
422 views

A crypto-limerick

If you AES the last line, With a key made of something divine, And then you XOR The SHA-1 of "4", FWqY58QhWVqPDX0uQ8C37AYaPeWFab42F2nyuY+zWK/gCV2bo8hIDt6sjon1I8+...
5
votes
2answers
924 views

A riddle by any other name

On his retirement, Bill Gates left behind a four number combination safe with a dial similar to this. In that safe is a secret that had eluded him many years ago...along with a small fortune of course....
3
votes
1answer
328 views

What does this thing do?

$$(d+(5m+m/9)/2+5y/4-y/C+y/CD+1/(m/3+1)*(2-(1/(y\%4+1)+1/(y\%CD+1)-1/(y\%C+1))))\%7$$ What does this thing do? Explain. Can you make it simpler i.e. fewer characters (I will give a nice bounty for ...
8
votes
4answers
1k views

Find the Rebus in the Rebus

Find the def That(n): def Question(n): return n+1|-n-2 a = Question(n) return a >>> That(42) -1 Clarifications Three hints would be ...
54
votes
1answer
5k views

What famous dialogue does this Java code represent?

The following is a text rebus in the form of Java code: ...
5
votes
4answers
655 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,...
23
votes
3answers
7k views

Wife can't figure out husband's secret account password

John and Jane are married and keep a joint account at ABC Bank. They agreed that all of their income should go into the joint account. In early 2014, John started a new job at a software company, ...
-2
votes
7answers
687 views

I am not Alien Then who am i?

Treat me baby who Abode of the good But don't think my origin is asteroid but believe me, i am not that alien I have traveled Millennium distances but that may not whistler in your ...
9
votes
1answer
322 views

The Serpent Stronghold

You come to the door of the stronghold. You recall what the scriptures say: You must speak the right words, and the door will open. But what words? It doesn't say. You have a look at the door in front ...
74
votes
2answers
8k views

What famous line does this Linux command line represent?

The following shows a Linux command line with a # prompt: ...
7
votes
2answers
921 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 ...
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 ...
50
votes
2answers
4k views

A Robot's Last Words

There, spread out all over the floor, were the mechanical pieces of a robot. Something had torn it apart, and the debris spanned a radius of a few meters. There was no sign of what might have caused ...
0
votes
2answers
438 views

Computer Crisis Takeover! [Part 3]

This is part 3 of a series of multiple parts about a takeover of all the computers on earth. The links to previous questions are here: Computer Crisis Takeover! [Part 1] Computer Crisis Takeover! [...
26
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 ...
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 ...
-6
votes
10answers
2k views

Computer Crisis Takeover! [Part 1] [closed]

This is part 1 of a series of multiple parts about a takeover of all the computers on earth. You are an elite hacker working very high up in the government; you handle many important tasks. Recently ...

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