Problem sources

Problem Source
Problems
Average Difficulty
Forritunarkeppni Framhaldsskólanna 2019253.1Medium
Forritunarkeppni Framhaldsskólanna 2020323.1Medium
Forritunarkeppni Framhaldsskólanna 2021243Medium
Forritunarkeppni Framhaldsskólanna 2022303.3Medium
Forritunarkeppni Framhaldsskólanna 2023293.2Medium
Forritunarkeppni Framhaldsskólanna 2024343.7Medium
Forritunarkeppni Framhaldsskólanna 2025374.1Medium
Forritunarkeppni Háskólanna á Íslandi 2023104.8Medium
Forritunarkeppni Háskólanna á Íslandi 2024135.2Medium
German Collegiate Programming Contest (GCPC) 2012115Medium
German Collegiate Programming Contest (GCPC) 2013115Medium
German Collegiate Programming Contest (GCPC) 2020135.8Hard
German Collegiate Programming Contest (GCPC) 2021145.4Medium
German Collegiate Programming Contest (GCPC) 2023135.4Medium
German Collegiate Programming Contest (GCPC) 2024134.9Medium
German Collegiate Programming Contest 2022135.1Medium
German Collegiate Programming Contest 2025115.3Medium
Google Code Jam 2008 Beta34.9Medium
Google Code Jam 2008 EMEA Semifinal25.4Medium
Google Code Jam 2008 Qualification Round34.4Medium
Google Code Jam 2008 Round 1A24.6Medium
Google Code Jam 2008 Round 1B44.8Medium
Google Code Jam 2008 Round 1C12.8Medium
Google Code Jam 2008 Round 235.1Medium
Google Code Jam 2008 Round 327.2Hard
Google Code Jam 2008 World Finals26.1Hard
Google Code Jam 2009 Qualification Round32.9Medium
Google Code Jam 2010 Online Competition Africa44.4Medium
Google Code Jam 2010 Qualification Round44.6Medium
Google Code Jam 2010 Qualification Round Africa11.7Easy
Google Code Jam 2011 Online Competition Africa and Arabia16Hard
Google Code Jam 2011 Qualification Round Africa and Arabia12.1Easy
Google Code Jam 201233.4Medium
Google Code Jam Practice Contest26Hard
Google Code Jam Practice Problems45.1Medium
Google Code Jam World Finals 201016.6Hard
Hendrix College Programming Contest 2024114.8Medium
Hendrix College Programming Contest 2025124Medium
HiQ Challenge 201763.8Medium
HiQ Challenge 201854.6Medium
Hong Kong Regional Contest 2016116.6Hard
Hong Kong Regional Contest 2016 Practice Session35.1Medium
Hong Kong Regional Online Preliminary 2016115.8Hard
ICPC 2012 North American Qualifier114.3Medium
ICPC North America Championship 2021136.7Hard
ICPC North America Regional Contests 2019-11-09184.7Medium
ICPC SG Preliminary Contest 2015105.2Medium
ICPC SG Preliminary Contest 2018105Medium
ICPC World Finals 2020156Hard
ICPC World Finals 2021126.2Hard
ICPC World Finals 202265.9Hard
ICPC World Finals 2022 and 202355.7Hard
ICPC World Finals 202366.5Hard
ICPC World Finals 2024125.8Hard
IDI Open 2015104.3Medium
IDI Open 201694.3Medium
IDI Open 2017105.1Medium
IDI Open 2018125.2Medium
IDI Open 2019105.3Medium
IDI Open 2021125.2Medium
IDI Open 2022105.6Hard
IDI Open 2023105.9Hard
IDI Open 2025105.3Medium
IEEEXtreme 9.015.1Medium
IPSC 200025.5Medium
IPSC 200326.3Hard
IPSC 200412.4Easy
IPSC 200534.1Medium
IPSC 200632.9Medium
IPSC 200734.3Medium
IPSC 200854.8Medium
ITMO Internet Olympiads 12.11.201125.4Medium
ITMO Internet Olympiads 15.10.201146.5Hard
ITMO Internet Olympiads 17.09.201113.1Medium
Icelandic High School Competition 201412Easy
International Collegiate Programming Contest (ACM-ICPC) Dress Rehearsal 2012123.8Medium
International Collegiate Programming Contest (ACM-ICPC) Dress Rehearsal 201513.5Medium
International Collegiate Programming Contest (ACM-ICPC) World Finals 2012126.7Hard
International Collegiate Programming Contest (ACM-ICPC) World Finals 2013116.3Hard
International Collegiate Programming Contest (ACM-ICPC) World Finals 2014126.6Hard
International Collegiate Programming Contest (ACM-ICPC) World Finals 2015134.9Medium
International Collegiate Programming Contest (ACM-ICPC) World Finals 2016135.8Hard
International Collegiate Programming Contest (ACM-ICPC) World Finals 2017125.3Medium
International Collegiate Programming Contest (ACM-ICPC) World Finals 2018115.5Medium
International Collegiate Programming Contest (ICPC) Challenge 201929.4Hard
Introduction to Algorithms, Danderyds Gymnasium34.1Medium
Italian Collegiate Programming Contest 2022106.1Hard
JobAgent Challenge 202154.6Medium
KTH CSC Avalg 200623.5Medium
KTH CSC Avancerade Algoritmer 200619.5Hard
KTH CSC Popup 2005283.9Medium
KTH CSC Popup 200644Medium
KTH CSC Popup 200714.8Medium
KTH CSC Popup 201624.3Medium
KTH CSC Popup spring 201333.9Medium
KTH Challenge17.3Hard
KTH Challenge 201174.2Medium
KTH Challenge 201263.7Medium
KTH Challenge 201384.6Medium
KTH Challenge 201495.4Medium