Questions tagged [algorithm]
For challenges related to creating or implementing an algorithm.
35 questions
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3
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Print Today's Motto [closed]
Motto of the day (MOTD) or Today's Motto is a algorithm to generate a unique & dynamic motto for every day.
Input of the date to calculate motto for could be in any reasonable format. The program ...
- 387
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votes
1
answer
235
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Daily Motto Finder [closed]
The daily motto is a project by me, allowing unique and dynamic motto every day.
Here, you’ll attempt to rewrite my code, making it code-golf style. The motto uses a specific algorithm, determining ...
user128066
1
vote
2
answers
333
views
brainfuck program to print hello world forward and in reverse
I am looking to create a brainfuck program that can print the text "Hello, World" when executed--but not just that (it's too easy), it should also print "dlroW ,olleH" when the ...
- 137
14
votes
4
answers
1k
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Visually arrange multi-day events on a calendar
The arrangement algorithm
I think I've determined the algorithm that Google Calendar uses to visually arrange day-long and longer events at the top of the "Week" view (you may have an ...
- 3,823
15
votes
10
answers
3k
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Elect the Doge of Venice
The Venetian election system was... complicated.
The Great Council came together and put in an urn the ballots of all the councilors who were older than 30. The youngest councilor went to St Mark's ...
- 1,373
27
votes
52
answers
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Shortest Code to Find the Smallest Missing Positive Integer
Description
Given an unsorted array of integers, find the smallest positive integer that does not appear in the array. Your task is to write the shortest code possible to solve this problem.
Input
A ...
- 1,970
12
votes
10
answers
1k
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Maximum of outer product of integer vectors (in linear time)
Introduction
Our goal is to efficiently find the maximum of a large amount of (redundant) data.
We define the outer product of vectors \$A\$ and \$B\$ as a matrix containing the products of all ...
- 221
7
votes
2
answers
525
views
NxM List Combination Closest to Target
Given a list of N lists, each containing M positive integers, and a separate list of M positive integers (target values), return a list of N scalars (integers with a value of 0 or more) that ...
- 757
21
votes
25
answers
3k
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Climbing the Bookshelf
Introduction
You're making a robot that can navigate a set of books of varying heights. It can climb books and jump off books, but if the distance is too big it will stop to prevent damage. To figure ...
- 6,108
1
vote
0
answers
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Make me equal to 24 [duplicate]
Based on this game.
Description :
Based on Wikipedia's description.
The 24 Game is an arithmetical card game in which the objective is to find a way to manipulate four integers so that the end result ...
- 339
14
votes
9
answers
527
views
Taking the long route
Challenge
Your goal is to find the furthest point on a graph (from a provided start node). Your code doesn't need to handle cycles in the graph properly, but it might pose a fun challenge. For this ...
- 341
1
vote
1
answer
501
views
Hacker Challenge: Guess the Correct Password
In an attempt to “liberate” their fellow birds, a group of highly intelligent hens are
attempting to compromise the zoo’s security system. To get access to the zoo’s mainframe,
the hens first need to ...
- 499
10
votes
1
answer
700
views
How quickly can you convert an NFA to a DFA?
Convert NFA to DFA as quickly as possible.
Input
Your input will be an NFA. In order to be able to test your code, it needs to be able to handle an NFA in the following format. This is taken ...
user9207
9
votes
1
answer
305
views
Branch Out - Monkey Edition
The Monkey has swung home to find his tree all in pieces.
He likes order and scoops up all his 'tree-parts' and sets them out in 3 groups.
The Monkey's ...
- 261
2
votes
0
answers
257
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What does the shortest pseudo-random algorithm look like? [closed]
After seeing some impossibly short solutions in this SE, I began to wonder what code someone could come up with to build a pseudo-random number generator. Now given that I am new to programming, I ...
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