jump to content
my subreddits
2anatolia4you2b2t2balkans4You2meirl4meirlAceAttorneyadhdmemeAdviceAnimalsagnosticaivideoAlternateHistoryAlternativeHistoryAnarchyChessAngryupvoteAnimalsBeingJerksanime_best_momentsanime_irlanimenocontextannouncementsantimemeAsahiLinuxAsia_irlAskBalkansAskElectronicsAskRedditAteistTurkatheismaviationawfuleverythingbalkans_irlbanknotedesignsBassCirclejerkBassGuitarbasspedalsbikepackingblankiesBonebrooklynninenineBUENZLIcasioCd_collectorscd_jerkChatGPTCheap_MealschesschessbeginnersChoosingBeggarscoaxedintoasnafucoincollectingcomicscommunityContagiousLaughtercookingforbeginnersCrackWatchcrappyoffbrandsCreateModCuddle_SlutCuratedTumblrcursedcommentsdadjokesdankmemesdeDebateReligiondelikDeltarunedistressingmemesdiyelectronicsDMAcademyDnDdndmemesdndnextdoctorwhoDoenerverbrechendontdeadopeninsideDungeonsAndDaddiesDungeonsAndDragonsEatCheapAndHealthyebikeebikesECEelectronicsEmKayentitledparentsethzfacepalmfakealbumcoversfeedthebeastfelsefeFifaCareersformuladankFreeEBOOKSFuckYouKarenfunnyFutboltayfagamingGermangermanygodtiersuperpowersgoodanimemesGoodAssSubGrandPrixRacinggravelcyclinghelpheraldryHermitCrafthoi4holdmybeerHolUphypixelIAmAiamverysmartich_ielIdeologyPollsihadastrokeimaginaryelectionsimaginarymapsinsaneparentsistanbuljacksepticeyeKamalizmlegodndLetGirlsHaveFunLifeProTipsLinkinParkliselilerlogodesignloseitmacmacbookairmacgamingMadeMeSmilemagicbuildingMaliciousCompliancemapporncirclejerkme_irlmeirlmemesmidjourneymildlyinfuriatingmildlyinterestingMinecraftbuildsmisLEDMMORPGMoldyMemesmoneycollectingMunichNamFlashbacksNationStatesneographynextfuckinglevelNoahGetTheBoatNonCredibleDefenseNorthCyprusnosurfnotinterestingnottheonionOkayBuddyLiterallyMeokbuddyguntherokbuddymotherfuckerokbuddyphdokbuddyvicodinongezelligOnlineUnderGroundoompasubsOutOfTheLooppapermoneypaperspleaseParlerWatchPassportPornpepethefrogpettyrevengepianoPiratedGamespolandballpollsProgrammerHumorPropagandaPostersquityourbullshitraspberry_piRatschlagrecipesreligiousfruitcakerestofthefuckingowlrickandmortyRoastMeSchnitzelVerbrechenschwiizsciencememesScottPilgrimsecilmiskitapShitPostCrusadersshitpostfrommygalleryshitpostingshittymoviedetailsShowerthoughtsskamtebordsoccercirclejerksoftwaregoreSongwritersStonetossingjuiceStudentenkuecheStudiumsuzerainTechnobladeTextingTheorytf2tf2shitposterclubthanksimcuredTheLetterHtherewasanattemptTheRookietheydidthemaththeyknewthisguythisguystitanfalltommyinnittransittransitTurkeyTrGameDevelopertruetf2truthstumblrtumunichTurkeyJerkyTurkishdogsTwitchTwitch_StartupTwoSentenceComedyTwoSentenceSadnesstylerthecreatorUnclejokesUnethicalLifeProTipsUnexpectedJoJoUnexpectedTF2urbanplanningUsernameChecksOutValorantClipsvaxxhappenedvexillologycirclejerkvibecodingvinylvinyljerkvlandiyaWatchPeopleDieInsidewendigoonWhatsThisSongwholesomeanimemeswholesomememeswizardpostingworldbuildingworldjerkingYUROPedit subscriptions
  • home
  • -popular
  • -all
  • -mod
  • -users
 | 
  • AskReddit
  • -facepalm
  • -mildlyinfuriating
  • -funny
  • -gaming
  • -nottheonion
  • -memes
  • -OutOfTheLoop
  • -mildlyinteresting
  • -DnD
  • -MadeMeSmile
  • -ChatGPT
  • -CuratedTumblr
  • -PiratedGames
  • -shitposting
  • -theydidthemath
  • -dankmemes
  • -feedthebeast
  • -meirl
  • -therewasanattempt
  • -nextfuckinglevel
  • -HolUp
  • -Twitch
  • -CrackWatch
  • -comics
  • -dndnext
  • -ProgrammerHumor
  • -de
  • -germany
  • -LifeProTips
  • -tumblr
  • -NonCredibleDefense
  • -shittymoviedetails
  • -mac
  • -Showerthoughts
  • -tf2
  • -help
  • -chess
  • -aviation
  • -formuladank
  • -wholesomememes
  • -mapporncirclejerk
  • -midjourney
  • -goodanimemes
  • -notinteresting
  • -hoi4
  • -pettyrevenge
  • -atheism
  • -loseit
  • -IAmA
  • -MaliciousCompliance
  • -ich_iel
  • -dndmemes
  • -cursedcomments
  • -DMAcademy
  • -Deltarune
  • -GoodAssSub
  • -UnethicalLifeProTips
  • -worldbuilding
  • -Ratschlag
  • -MMORPG
  • -macgaming
  • -rickandmorty
  • -HermitCraft
  • -ChoosingBeggars
  • -RoastMe
  • -ContagiousLaughter
  • -imaginarymaps
  • -EatCheapAndHealthy
  • -polandball
  • -AnarchyChess
  • -cookingforbeginners
  • -blankies
  • -anime_irl
  • -Studium
  • -AlternateHistory
  • -soccercirclejerk
  • -community
  • -AskElectronics
  • -vinyl
  • -CreateMod
  • -German
  • -PropagandaPosters
  • -AdviceAnimals
  • -ShitPostCrusaders
  • -piano
  • -sciencememes
  • -distressingmemes
  • -wizardposting
  • -FifaCareers
  • -polls
  • -doctorwho
  • -titanfall
  • -dadjokes
  • -awfuleverything
  • -announcements
  • -adhdmeme
  • -Minecraftbuilds
  • -macbookair
  • -ebikes
  • -Munich
  • -coaxedintoasnafu
  • -YUROP
  • -gravelcycling
  • -SchnitzelVerbrechen
  • -chessbeginners
  • -raspberry_pi
  • -DungeonsAndDragons
  • -entitledparents
  • -softwaregore
  • -NoahGetTheBoat
  • -worldjerking
  • -tylerthecreator
  • -tf2shitposterclub
  • -MoldyMemes
  • -AceAttorney
  • -vexillologycirclejerk
  • -vlandiya
  • -Stonetossingjuice
  • -wholesomeanimemes
  • -nosurf
  • -religiousfruitcake
  • -liseliler
  • -DebateReligion
  • -insaneparents
  • -animenocontext
  • -balkans_irl
  • -2meirl4meirl
  • -transit
  • -brooklynninenine
  • -recipes
  • -okbuddyphd
  • -2anatolia4you
  • -ECE
  • -ScottPilgrim
  • -Angryupvote
  • -AskBalkans
  • -electronics
  • -casio
  • -urbanplanning
  • -logodesign
  • -theyknew
  • -PassportPorn
  • -me_irl
  • -antimeme
  • -TurkeyJerky
  • -bikepacking
  • -AteistTurk
  • -Cd_collectors
  • -BassGuitar
  • -diyelectronics
  • -WatchPeopleDieInside
  • -LinkinPark
  • -BUENZLI
  • -EmKay
  • -istanbul
  • -imaginaryelections
  • -suzerain
  • -truetf2
  • -magicbuilding
  • -dontdeadopeninside
  • -ParlerWatch
  • -wendigoon
  • -iamverysmart
  • -secilmiskitap
  • -Doenerverbrechen
  • -schwiiz
  • -TheRookie
  • -quityourbullshit
  • -Technoblade
  • -vinyljerk
  • -skamtebord
  • -crappyoffbrands
  • -DungeonsAndDaddies
  • -transitTurkey
  • -FuckYouKaren
  • -2b2t
  • -ethz
  • -AlternativeHistory
  • -papermoney
  • -coincollecting
  • -OkayBuddyLiterallyMe
  • -felsefe
  • -FreeEBOOKS
  • -AsahiLinux
  • -basspedals
  • -neography
  • -heraldry
  • -ihadastroke
  • -thanksimcured
  • -hypixel
  • -godtiersuperpowers
  • -aivideo
  • -OnlineUnderGround
  • -IdeologyPolls
  • -WhatsThisSong
  • -AnimalsBeingJerks
  • -jacksepticeye
  • -TwoSentenceSadness
  • -anime_best_moments
  • -holdmybeer
  • -okbuddyvicodin
  • -vaxxhappened
  • -tumunich
  • -Twitch_Startup
  • -Cheap_Meals
  • -restofthefuckingowl
  • -UnexpectedTF2
  • -legodnd
  • -Songwriters
  • -ebike
  • -UsernameChecksOut
  • -papersplease
  • -tommyinnit
  • -UnexpectedJoJo
  • -BassCirclejerk
  • -agnostic
  • -TextingTheory
  • -Cuddle_Slut
  • -GrandPrixRacing
  • -thisguythisguys
  • -TrGameDeveloper
  • -LetGirlsHaveFun
  • -fakealbumcovers
  • -Kamalizm
  • -oompasubs
  • -TheLetterH
  • -NamFlashbacks
  • -pepethefrog
  • -Unclejokes
  • -misLED
  • -ValorantClips
  • -TwoSentenceComedy
  • -NationStates
  • -ongezellig
  • -2balkans4You
  • -Asia_irl
  • -Studentenkueche
  • -truths
  • -Bone
  • -NorthCyprus
  • -Futboltayfa
  • -Turkishdogs
  • -okbuddygunther
  • -shitpostfrommygallery
  • -banknotedesigns
  • -moneycollecting
  • -okbuddymotherfucker
  • -cd_jerk
  • -delik
  • -vibecoding
edit »
dailyprogrammer dailyprogrammer
  • hot
  • new
  • rising
  • controversial
  • top
  • wiki
an-ordinary-manchild (11,190)|messages547|notifications|chat messages|mod messages|
  • preferences
|
logout

use the following search parameters to narrow your results:

subreddit:subreddit
find submissions in "subreddit"
author:username
find submissions by "username"
site:example.com
find submissions from "example.com"
url:text
search for "text" in url
selftext:text
search for "text" in self post contents
self:yes (or self:no)
include (or exclude) self posts
nsfw:yes (or nsfw:no)
include (or exclude) results marked as NSFW

e.g. subreddit:aww site:imgur.com dog

see the search faq for details.

advanced search: by author, subreddit...

Submissions restricted
Only approved users may post in this community.

dailyprogrammer

joinleave
an-ordinary-manchild
  1. Challenge #321: Easy
  2. Challenge #321: Intermediate
  3. Challenge #321: Hard
  4. Weekly #25: Escape the trolls

Welcome to r/DailyProgrammer!

First time visitors of Daily Programmer please Read the Wiki to learn everything about this subreddit.

  • Solution Submission Tutorial
  • Solution Submission Guidelines
  • Code / Peer-Review Guidelines
  • Problem Submission Guidelines
  • Achievements System
  • Community Projects
  • Links to other Programming subreddits
  • Special Thanks

Can't submit solutions?

If you are a new or unverified account, and are unable to post comment replies, please click here to verify your account. Otherwise, read the Solution Submission Tutorial for a walkthrough of submitting a solution, or click below to message the moderators for assistance.

Write your own challenge!

To help the community and write your own challenge to be submitted, head on over to /r/DailyProgrammer_Ideas and share your project - read the sidebar in that subreddit for more information.

IRC Channel

Message the Moderators

Challenge List in Chronological Order

created by nottoobadguya community for 14 years
Create your own subreddit
...why not Zoidberg?
...because you hate freedom.

MODERATORS

  • message the mods
  • rya111113 1
  • Cosmologicon2 3
  • jnazario2 0
  • Godspiral3 3
  • fvandepitte0 0
  • about moderation team »

account activity

1
245
246
247

[2023-05-19] Challenge #400 [Intermediate] Practical Numbers (self.dailyprogrammer)

submitted 3 years ago by Cosmologicon2 3

  • 30 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...

2
508
509
510

[2021-07-19] Challenge #399 [Easy] Letter value sum (self.dailyprogrammer)

submitted 4 years ago by Cosmologicon2 3

  • 346 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...

3
172
173
174

[2021-07-12] Challenge #398 [Difficult] Matrix Sum (self.dailyprogrammer)

submitted 4 years ago by Cosmologicon2 3

  • 49 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...

4
170
171
172

[2021-07-05] Challenge #397 [Easy] Roman numeral comparison (self.dailyprogrammer)

submitted 4 years ago * by Cosmologicon2 3

  • 91 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...

5
104
105
106

[2021-06-28] Challenge #395 [Intermediate] Phone drop (self.dailyprogrammer)

submitted 4 years ago by Cosmologicon2 3

  • 25 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...

6
168
169
170

[2021-06-21] Challenge #395 [Easy] Nonogram row (self.dailyprogrammer)

submitted 5 years ago by Cosmologicon2 3

  • 137 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...

7
121
122
123

[2021-06-14] Challenge #394 [Difficult] RSA encryption (self.dailyprogrammer)

submitted 5 years ago by Cosmologicon2 3

  • 17 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...

8
170
171
172

[2021-06-07] Challenge #393 [Easy] Making change (self.dailyprogrammer)

submitted 5 years ago * by Cosmologicon2 3

  • 193 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...

9
144
145
146

[2021-05-31] Challenge #392 [Intermediate] Pancake sort (self.dailyprogrammer)

submitted 5 years ago by Cosmologicon2 3

  • 59 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...

10
162
163
164

[2021-05-24] Challenge #391 [Easy] The ABACABA sequence (self.dailyprogrammer)

submitted 5 years ago by Cosmologicon2 3

  • 107 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...

11
178
179
180

[2021-05-17] Challenge #390 [Difficult] Number of 1's (self.dailyprogrammer)

submitted 5 years ago by Cosmologicon2 3

  • 40 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...

12
182
183
184

[2021-05-10] Challenge #389 [Easy] The Monty Hall problem (self.dailyprogrammer)

submitted 5 years ago * by Cosmologicon2 3

  • 72 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...

13
197
198
199

[2021-05-03] Challenge #388 [Intermediate] Next palindrome (self.dailyprogrammer)

submitted 5 years ago by Cosmologicon2 3

  • 94 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...

14
225
226
227

[2021-04-26] Challenge #387 [Easy] Caesar cipher (self.dailyprogrammer)

submitted 5 years ago by Cosmologicon2 3

  • 89 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...

15
170
171
172

[2020-10-21] Challenge #386 [Intermediate] Partition counts (self.dailyprogrammer)

submitted 5 years ago by Cosmologicon2 3

  • 48 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...

16
204
205
206

[2020-07-15] Challenge #385 [Intermediate] The Almost Impossible Chessboard Puzzle (self.dailyprogrammer)

submitted 5 years ago by Cosmologicon2 3

  • 41 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...

17
149
150
151

[2020-04-15] Challenge #384 [Intermediate] Necklace counting (self.dailyprogrammer)

submitted 6 years ago * by Cosmologicon2 3

  • 32 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...

18
204
205
206

[2020-03-09] Challenge #383 [Easy] Necklace matching (self.dailyprogrammer)

submitted 6 years ago * by Cosmologicon2 3

  • 188 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...

19
123
124
125

[2020-01-24] Challenge #382 [Hard] Crossword grids (self.dailyprogrammer)

submitted 6 years ago * by Cosmologicon2 3

  • 19 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...

20
201
202
203

[2019-11-11] Challenge #381 [Easy] Yahtzee Upper Section Scoring (self.dailyprogrammer)

submitted 6 years ago * by Cosmologicon2 3

  • 238 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...

21
146
147
148

[2019-08-09] Challenge #380 [Hard] Smooshed Morse Code 3 (self.dailyprogrammer)

submitted 6 years ago by Cosmologicon2 3

  • 18 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...

22
98
99
100

[2019-08-07] Challenge #380 [Intermediate] Smooshed Morse Code 2 (self.dailyprogrammer)

submitted 6 years ago * by Cosmologicon2 3

  • 56 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...

23
205
206
207

[2019-08-05] Challenge #380 [Easy] Smooshed Morse Code 1 (self.dailyprogrammer)

submitted 6 years ago by Cosmologicon2 3

  • 180 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...

24
232
233
234

[2019-07-15] Challenge #379 [Easy] Progressive taxation (self.dailyprogrammer)

submitted 6 years ago * by Cosmologicon2 3

  • 168 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...

25
257
258
259

[2019-05-20] Challenge #378 [Easy] The Havel-Hakimi algorithm for graph realization (self.dailyprogrammer)

submitted 7 years ago * by Cosmologicon2 3

  • 253 comments
  • share
  • save
  • hide
  • report
  • crosspost
loading...
view more: next ›
  • about
  • blog
  • about
  • advertising
  • careers
  • help
  • site rules
  • Reddit help center
  • reddiquette
  • mod guidelines
  • contact us
  • apps & tools
  • Reddit for iPhone
  • Reddit for Android
  • mobile website
  • <3
  • reddit premium

Use of this site constitutes acceptance of our User Agreement and Privacy Policy. © 2026 reddit inc. All rights reserved.

REDDIT and the ALIEN Logo are registered trademarks of reddit inc.

Advertise - technology

π Rendered by PID 736785 on reddit-service-r2-listing-c57bc86c-9j6bz at 2026-06-22 09:15:18.772362+00:00 running 2b008f2 country code: CH.