Problems
OJI după an (#452) 346 problems
OJI 2024 (#1017) 17 problems
Loading...
OJI 2023 (#185) 17 problems
Loading...
OJI 2022 (#389) 17 problems
Loading...
OJI 2021 (#392) 17 problems
Loading...
OJI 2020 (#395) 17 problems
Loading...
OJI 2019 (#398) 17 problems
Loading...
OJI 2018 (#401) 17 problems
Loading...
OJI 2017 (#404) 17 problems
Loading...
OJI 2016 (#407) 14 problems
Loading...
OJI 2015 (#410) 14 problems
Loading...
OJI 2014 (#413) 14 problems
Loading...
OJI 2013 (#416) 14 problems
Loading...
OJI 2012 (#419) 14 problems
Loading...
OJI 2011 (#422) 14 problems
Loading...
OJI 2010 (#425) 14 problems
Loading...
OJI 2009 (#428) 14 problems
Loading...
OJI 2008 (#431) 14 problems
Loading...
OJI 2007 (#434) 14 problems
Loading...
OJI 2006 (#437) 14 problems
Loading...
OJI 2005 (#440) 14 problems
Loading...
OJI 2004 (#443) 14 problems
Loading...
OJI 2003 (#446) 14 problems
Loading...
OJI 2002 (#449) 14 problems
Loading...
OJI după clase (#460) 346 problems
ONI după an (#507) 813 problems
ONI 2024 (#1071) 30 problems
Loading...
ONI 2023 (#192) 30 problems
Loading...
ONI 2022 (#490) 30 problems
Loading...
ONI 2021 (#491) 30 problems
Loading...
ONI 2019 (#492) 36 problems
Loading...
ONI 2018 (#493) 36 problems
Loading...
ONI 2017 (#494) 36 problems
Loading...
ONI 2016 (#495) 36 problems
Loading...
ONI 2015 (#496) 36 problems
Loading...
ONI 2014 (#497) 36 problems
Loading...
ONI 2013 (#498) 36 problems
Loading...
ONI 2012 (#499) 36 problems
Loading...
ONI 2011 (#500) 39 problems
Loading...
ONI 2010 (#501) 39 problems
Loading...
ONI 2009 (#503) 39 problems
Loading...
ONI 2008 (#505) 39 problems
Loading...
ONI 2007 (#544) 36 problems
Loading...
ONI 2006 (#545) 36 problems
Loading...
ONI 2005 (#546) 36 problems
Loading...
ONI 2004 (#547) 36 problems
Loading...
ONI 2003 (#548) 36 problems
Loading...
ONI 2002 (#549) 26 problems
Loading...
ONI 2001 (#550) 22 problems
Loading...
ONI 2000 (#683) 18 problems
Loading...
ONI 1998 (#778) 3 problems
Loading...
ONI după clase (#524) 813 problems
ONI V (#551) 67 problems
Loading...
ONI VI (#552) 67 problems
Loading...
ONI VII (#553) 67 problems
Loading...
ONI VIII (#554) 67 problems
Loading...
ONI IX (#108) 133 problems
Loading...
ONI X (#555) 134 problems
Loading...
ONI XI-XII (#528) 132 problems
Loading...
ONI Baraj Juniori (#508) 48 problems
Loading...
ONI Baraj Seniori (#516) 102 problems
Loading...
Loturi Seniori (#225) 286 problems
Lot 2024 Seniori (#1099) 12 problems
Loading...
Lot 2023 Seniori (#217) 9 problems
Loading...
Lot 2022 Seniori (#87) 9 problems
Loading...
Lot 2021 Seniori (#85) 9 problems
Loading...
Lot 2020 Seniori (#772) 6 problems
Loading...
Lot 2019 Seniori (#142) 12 problems
Loading...
Lot 2018 Seniori (#781) 12 problems
Loading...
Lot 2017 Seniori (#183) 18 problems
Loading...
Lot 2016 Seniori (#815) 18 problems
Loading...
Lot 2015 Seniori (#824) 18 problems
Loading...
Lot 2014 Seniori (#833) 18 problems
Loading...
Lot 2013 Seniori (#847) 19 problems
Loading...
Lot 2012 Seniori (#908) 18 problems
Loading...
Lot 2011 Seniori (#915) 18 problems
Loading...
Lot 2010 Seniori (#933) 18 problems
Loading...
Lot 2009 Seniori (#943) 18 problems
Loading...
Lot 2008 Seniori (#952) 18 problems
Loading...
Lot 2007 Seniori (#965) 18 problems
Loading...
Lot 2006 Seniori (#969) 18 problems
Loading...
Loturi Juniori (#689) 180 problems
Lot 2024 Juniori (#1102) 12 problems
Loading...
Lot 2023 Juniori (#222) 9 problems
Loading...
Lot 2022 Juniori (#690) 9 problems
Loading...
Lot 2021 Juniori (#691) 9 problems
Loading...
Lot 2019 Juniori (#692) 12 problems
Loading...
Lot 2018 Juniori (#693) 12 problems
Loading...
Lot 2017 Juniori (#694) 12 problems
Loading...
Lot 2016 Juniori (#695) 12 problems
Loading...
Lot 2015 Juniori (#696) 12 problems
Loading...
Lot 2014 Juniori (#697) 12 problems
Loading...
Lot 2013 Juniori (#698) 12 problems
Loading...
Lot 2012 Juniori (#699) 12 problems
Loading...
Lot 2011 Juniori (#700) 12 problems
Loading...
Lot 2010 Juniori (#701) 12 problems
Loading...
Lot 2009 Juniori (#702) 12 problems
Loading...
Lot 2008 Juniori (#703) 9 problems
Loading...
IIOT (#128) 209 problems
IIOT 2024-25 (#1286) 7 problems
Loading...
IIOT 2023-24 (#822) 46 problems
Loading...
IIOT 2022-23 (#100) 43 problems
Loading...
IIOT 2021-22 (#122) 42 problems
Loading...
IIOT 2020-21 (#118) 29 problems
Loading...
IIOT 2019-20 (#687) 14 problems
Loading...
IIOT 2017-18 (#1136) 7 problems
Loading...
IIOT 2016-17 (#1133) 21 problems
Loading...
IATI Shumen 2020-2024 (#89) 46 problems
infO(1) Cup 2020-2024 (#124) 31 problems
InfoPro (#239) 48 problems
Info-Oltenia 2020-2024 (#172) 40 problems
FMI NO STRESS (#1106) 43 problems
Concursuri găzduite (#221) 345 problems
RoAlgo Contest (#464) 108 problems
Loading...
FIICode 2024 (#1007) 15 problems
Loading...
ProDay 2024 (#1141) 8 problems
Loading...
Stelele Informaticii 2024 (#1279) 9 problems
Loading...
InfoTeams (#1273) 17 problems
Loading...
Micul Gates 2024 (#971) 6 problems
Loading...
RCPC Camp 2023 (#868) 25 problems
Loading...
Info Winter Speed Code 2023 (#864) 23 problems
Loading...
Marytone Contest (#215) 6 problems
Loading...
INFOMANIA 2023 round 1 (#214) 5 problems
Loading...
CCEX Suceava 2023 (#836) 5 problems
Loading...
Green Byte Hackathon 2024 (#922) 10 problems
Loading...
Infoleague PreOJI 2023 (#175) 6 problems
Loading...
Future for Future 2024 (#1152) 6 problems
Loading...
CNI "Tudor Vianu" PreOJI 2023-2024 (#1030) 22 problems
Loading...
Concursul SOLINFO.ro Rundele 1-4 (#212) 16 problems
Loading...
Micul Gates 2023 (#129) 6 problems
Loading...
Cox Contest (#211) 7 problems
Loading...
CrackContest (#1051) 8 problems
Loading...
Infoleague April Fools Contest 2024 (#1016) 8 problems
Loading...
Elevi Pentru Elevi Arges (#1109) 6 problems
Loading...
Testing Round #1 (#779) 8 problems
Loading...
Unirea pentru Performanță Vrancea 2024 (#1259) 6 problems
Loading...
Summer FLASG (#1256) 10 problems
Loading...
Alte concursuri (#80) 297 problems
Cupa SEPI 2023 (#470) 7 problems
Loading...
MateInfoUB (#1146) 7 problems
Loading...
Tabără Informatică Satu Mare 2024 (#1063) 8 problems
Loading...
Prosoft@NT 2024 (#994) 7 problems
Loading...
RMI (#775) 27 problems
Loading...
RAU-Coder (#237) 15 problems
Loading...
Stelele Informaticii 2023 (#884) 8 problems
Loading...
Concursul Grigore Moisil (#1048) 26 problems
Loading...
EGOI 2023 (#465) 8 problems
Loading...
JBOI 2023 (#879) 6 problems
Loading...
EJOI 2022 (#937) 3 problems
Loading...
Urmașii lui Moisil (#1037) 17 problems
Loading...
Cloudflight Coding Contest 36 (#75) 7 problems
Loading...
Concursul Național „Grigore Moisil” - Lugoj, 2018 (#41) 2 problems
Loading...
Miguel's Summer Challenge (#1) 5 problems
Loading...
AcadNet 2022-2024 (#161) 24 problems
Loading...
Peppers++ (#1148) 11 problems
Loading...
CNER_CODE 2024 (#1056) 6 problems
Loading...
OCPC 2024 (#1085) 84 problems
Loading...
Concursul Național de Informatică 2023-2024 (#1265) 14 problems
Loading...
Cupa Girls Programming Camp (#1283) 5 problems
Loading...
Competiții locale (#989) 266 problems
Moisil++ 2023 (#870) 15 problems
Loading...
OMI Iași (#149) 203 problems
Loading...
CNU (#907) 13 problems
Loading...
OLI Suceava 2024 (#976) 6 problems
Loading...
Olimpiada de informatică - faza pe școală SEB (#927) 5 problems
Loading...
OSI Liceul Teoretic "Tudor Arghezi" (#987) 2 problems
Loading...
InfoCNFB 2023 (#869) 14 problems
Loading...
4IT50 2024 (#1150) 2 problems
Loading...
Selecție CPPI 2024 (#1274) 6 problems
Loading...
Kilonova Originals (#867) 11 problems
Other problems 50 problems
sum (#1)
chromosome (#3)
MarsX (#4)
Polybius (#5)
trap (#6)
sortare (#9)
Walk Along the Infinite Road (#16)
CifPrim (#75)
superquery (#79)
Numdiv (#128)
croft (#130)
supertree (#140)
luminite (#147)
base64 (#260)
sum_interactiv (#261)
bs_interactive (#262)
matrice90 (#310)
piscina (#353)
credite (#392)
genius (#393)
bacterie (#396)
Shoot 'Em Down (#447)
Triangulation (#665)
Kfib (#1010)
unire (#1611)
Palindrome String (#1903)
palindrom (#1977)
divizibilitate (#1981)
Combination (#1982)
Common divisors and multiples (#1983)
xormax (#1984)
stack (#2001)
sumgcd (#2004)
Connected Components (#2036)
Simple Shortest Path (#2037)
stack_max_min (#2107)
Moving&Changing (#2147)
Matrix Masterclass (#2293)
The Triangle (#2402)
SumOfAll (#2579)
paths_sums (#2621)
Dynamic Connectivity (#2661)
Kings (#2662)
Reverse the subarray (#2975)
chmin (#3220)
Moser's Circle Problem (#3233)
simulare (#3237)
Binary Number (#3271)
Sume Impare (#3278)
McDonald’s (#3293)
View all archive progress reports on this page.
You can also view all problems ordered by ID on this page.
You can draw a random problem by clicking here.
You can draw a random, unsolved problem by clicking here.