Do you know an algorithm to swap two edges in that position?

what type of cipher can be used to solve this poem and locate the item written about within the poem? Thanks. As I have gone alone in there And with my treasures bold, I can keep my secret where, And hint of riches new and old. Begin it where warm waters halt And take it in the canyon down, Not...

An entry in Fortnightly Topic Challenge #35: Restricted Title 1. Title based on the very first xkcd. You manage a barrel warehouse. The warehouse is divided into an $8\times 8$ grid of cells. A barrel takes up one cell when upright, and two cells when laid down. You only remember where some of t...

Part of the Fortnightly Topic Challenge #35: Restricted Title 1 "White to continue insisting this is a chess board" https://imgur.com/a/6B4vSor When done, circle all squares black and white pieces moved to: KNIPSGEA RHUTNLSE IFTPONME ROBEOCNE FEWIXTKL EPTCHIOM RANAEISY LITUREED

A drop of water, or a deadline; Us without me, or lady-like sheep; Sex, or a disconsent; To have clothing, or a question of place; In a mirror what you see, or how you see; Not pre-recorded, or not dead.

An entry in Fortnightly Topic Challenge #35: Restricted Title 1. Title based on this xkcd. construction computer-puzzle number-theory tribond weighing pattern calculation-puzzle no-computers algorithm limerick rubiks-cube english

Many people don't know my true form You may see me within a sandstorm My green is ancient Before you use me, be patient And a famous entity is warm Name the plant

Clue 1 Vib .g yo Clue 2 What do we have in common: Sandwich, Island, Liberty Clue 3 " _ L _ _ S "

I have 9 coins that look identical, but one is heavier than the others. I want to identify that one. My brother has an old-fashioned balance scale that I can use, but I'll have to do annoying chores for him for every time I use that scale (that is, every time I use it to compare the weights of t...

I spend most of my day eating white. When I am quick enough, I get rewarded with fruit and somethings blue. In a dark room with blue walls, I run from the ghost that roam the halls. What am I?

There have been proposals before for semi-interactive puzzles [1, 2]. These are puzzles where more information is revealed by the OP as parts of the puzzle are solved. This is not deemed a good fit. I am toying with the idea of posting a puzzle that is fully interactive, in the sense that it inc...

It cannot be seen, it cannot be felt, Cannot be heard, cannot be smelt, Lies behind stars and under hills, and empty holes it fills. Comes first follows after, Ends life kills laughter.

I start my day purring And end it among the foundations All in all, this trip will go down in history The sought solution is a single word. Elaboration / explanations preferred, as well as some patience since this is my first attempt at a puzzle and it might be terrible.

The emperor’s troops have captured you, the leader, and your 8 soldiers. He says he will execute you all but has given you the chance to take his challenge. The emperor says that you and your platoon will be free if you survive his challenge, else, you will all die. The emperor says that he wil...

I need synonym (one word) of below two questions. Answers must have ‘MAR’ at the beginning or at the end. A court order freezing a debtor’s assets, usually to prevent them being taken abroad A complex and difficult situation

Recall the classic old problem where we're asked whether a line segment of specific length can be constructed with compass and straightedge, given an initial line segment of length 1? We're going to do something similar here. Imagine there is a 2-dimensional space that is infinite, with all in...

An entry in Fortnightly Topic Challenge #35: Restricted Title 1. In the future, an ancient book of old proverbs in the form of haikus has been found, here's the transcription of the first page: Flies haphazardly so small but very scary we flee from the bee Have too many clothes ...

Seven lights that guard the key of hearts, They alone can stop what the dark starts, The first is king and friend, With three circles he was penned. The second not chosen by man, But destiny had another plan. The third fell, it was true, But returned to those he knew. ...

An entry in Fortnightly Topic Challenge #35: Restricted Title 1. Bob and Alice were talking about their friend Jenny. Alice was asking Bob why... Jennny bought an item for 6 dollars then she carefully placed it in the trash. She was not angry, dishearten, or sad, she did not eat anything i...

https://www.brainzilla.com/logic/self-referential-quiz/srq-2/ 1. The first question whose answer is D is the question A. 8 B. 7 C. 6 D. 5 E. 4 2. Identical answers have questions A. 3 and 4 B. 4 and 5 C. 5 and 6 D. 6 and 7 E. 7 and 8 ...

An entry in Fortnightly Topic Challenge #35: Restricted Title 1. My friends and I started a band! The problem is, we've had a lot of trouble coming up with the name. We each suggested a few names, but each one was shot down by someone else for referencing another band. We all think what we've...

What xkcd Means This is a variety cryptic inspired by the comic "What xkcd Means" (linked above) and the work of Ucaoimhu. It is also an entry into the 35th Fortnightly Topic Challenge: Restricted Title 1. It means saving a few seconds at a long red light via elaborate and questionably leg...

There are 52 cards in a deck. I draw 7 cards without replacement, what is the probability of getting exactly: two clubs and one spade? N=52 n=7 M=? m=1?

1: dim advantage in first French Expansion (4,5): Kiss Pain Boot City History Again Eat Avid (5,13,13,5,3,4) 2: undisturbed apartment ground hideout attach badge punch holder 1,3: advantage protect lady wrong extra raise prime month error pass over...

You wake up trapped in a room. In front of you is a door. Next to the door there is a computer. On the computer you see the following Select the correct image Tries Left: 1 Underneath the image you see the following The key to the door is in the verse Lineup the objects after...

The 'message' below is a substitution cipher. It is a fun challenge to write a computer program to read in the file and count up the letters and then use expected letter frequencies to translate the code. It is a slightly harder challenge to write a computer program that will translate it on th...

A woman walked into a room in the state of Maryland. She discovered that bits and pieces of her dead mother were packed in a freezer inside that room. After regaining her composure, she was even notified that people buy pieces of her mother online for $1000. Who is she? Some hints:

Today, I started my job as a package delivery man. As chances have it, one of the delivery address was right in my apartment floor! However, the handwriting was so bad, I couldn't even make out the room of the recipient. I guess the only way to do so was to go rooms by rooms and asked who ordered...