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Questions tagged [network]

A puzzle which involves networks. Often, such puzzle are in connection with mathematical graph-theory.

38
votes
2answers
945 views

Circuit Diagram

An entry to Fortnightly Topic Challenge #35: Restricted Title 1 - based on the following xkcd. Circuit diagrams can be quite difficult to understand, so here are some documents that will hopefully ...
4
votes
2answers
238 views

How many nodes in the network?

I don't actually have a solution in mind for these, but it seemed puzzly enough to bring to the table. Seems as though someone must have come up with this before, but if so, I couldn't find it when I ...
26
votes
2answers
626 views

Transport Networks - An Introduction

This is a new type of puzzle and I don't know yet, whether or not they are fun to solve. So what better to do with them, than throw them at the best puzzlers out there and see what happens? Feedback ...
12
votes
1answer
398 views

Missing, 'till the very end

You wake up in a stark corridor, with a fully illuminated ceiling, black walls and large square white tiles the width of the corridor tiling the floor. Looking around, you notice a small piece of ...
8
votes
1answer
338 views

Meeting a friend

A friend of mine has recently sent me a couple of strange post cards from his recent traveling, and I can honestly not make head or tail of it. I would really like to meet up with him in person, ...
21
votes
2answers
3k views

Help the prisoners

Given a 5×5×5 cube of identical cubical cells (total 125 cells). In each cell there is a prisoner. There are doors from each cell to the adjacent cells (not diagonally). Their task is to ...
4
votes
3answers
523 views

What is the largest, compact connected-network polyomino for these tiles?

This is a graphical arrangement puzzle. Consider the following 36 tiles: Each tile has up to 8 connected directions and each tile has an initial up side. (The edge to whose centre the central ...
6
votes
2answers
539 views

Labeling wires in a *damaged* bundle

Variant of: Labeling wires in a bundle At a remote location, you just finished trenching a data cable across a large plot of land. The cable has 64 individual wires that are not color-coded or ...
9
votes
1answer
788 views

Ernie and the Underground Network

I haven't seen Ernie for a few weeks - he's been on holiday in the People's Republic of Kzijekistan (PRK). But yesterday I got an e-mail and thought I would share it with you. It reads as follows: ...
53
votes
2answers
4k views

The needle in the network - find it!

We all know it can be difficult to find a needle in a haystack, but in this puzzle you have to Find the NEEDLE in the network! A bit more detailed: Somewhere in the network pictured above ...
6
votes
2answers
342 views

Signal-network: Create a network that guides 2 signals

This is a different 'connect the dots' puzzle. Your task is to connect the blue and yellow nodes in the map below with links such that the created network guides two signals emitted from the two ...
7
votes
2answers
347 views

Network connection: Create a network that guides the signal from start to goal

This is a different 'connect the dots' puzzle. Your task is to connect the blue nodes in the map below with links such that the created network guides a signal emitted from the red triangle to the ...