Kattis

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Problem sources

Problem Source
Problems
Average Difficulty
KTH Challenge 201174.2Medium
KTH Challenge 201263.8Medium
KTH Challenge 201384.7Medium
KTH Challenge 201495.5Hard
KTH Challenge 201575Medium
KTH Challenge 201675.8Hard
KTH Challenge 2016, adapted from KTH CSC Popup 2002 Session 114.9Medium
KTH Challenge 201795.8Hard
KTH Challenge 201886.1Hard
KTH Challenge 201985Medium
KTH Challenge 202086.1Hard
KTH Challenge 202176Hard
KTH Challenge 202295.4Medium
KTH Challenge 202596Hard
KTH Training305.3Medium
KTH Training 2010-09-0813.6Medium
KTH Training 201113.8Medium
KTH training 2011-01-2611.9Easy
KTH training, January 23, 201418.4Hard
Kattis61.7Easy
Kattis Challenge 201776.4Hard
Kodsport Summer Challenge 2020144.6Medium
LTH Challenge 201795.8Hard
LTH Challenge 201965.4Medium
LTH Challenge 202073.2Medium
LTH Challenge 202185.2Medium
LTH Challenge 202285Medium
LTH Challenge 202495.2Medium
LTH Challenge 2025104.8Medium
LiU Coding Challenge 201856.3Hard
LiU Coding Challenge 201956Hard
Local Programming Contest at University of Alberta - October 20, 200113.6Medium
Lokakeppni TÖL607G HÍ 201963.2Medium
Lokapróf í TÖL607G 202464.5Medium
Lovable Challenge 202574.2Medium
Mid-Central Regional Programming Contest 202443.9Medium
Mount Allison Practice17.6Hard
Mount Allison Programming Showdown (MAPS 2017)94.6Medium
Mount Allison Programming Showdown (MAPS 2019)135Medium
Mount Allison Programming Showdown (MAPS 2020)125.5Hard
Mount Allison Programming Showdown (MAPS 2022)136.1Hard
NB High School Programming Competition 202183.1Medium
NB High School Programming Competition 202285.6Hard
NCNA HSC 202593.7Medium
NCPC 2012 and KTH training18.1Hard
NENA 2019106.5Hard
NSA Challenge 2024 ICPC NAC37.9Hard
NUS Competitive Programming1846.5Hard
Nada Open 200237.4Hard
Nada Open 200416Hard
Nada Open 2004/200527.4Hard
Nada Open 200556.6Hard
Nordic Collegiate Programming Contest (NCPC) 200585.1Medium
Nordic Collegiate Programming Contest (NCPC) 200695.2Medium
Nordic Collegiate Programming Contest (NCPC) 200794.7Medium
Nordic Collegiate Programming Contest (NCPC) 200894.8Medium
Nordic Collegiate Programming Contest (NCPC) 2008, adapted from Andrew Stankevich Contest 17, Petrozavodsk, February 2, 200617Hard
Nordic Collegiate Programming Contest (NCPC) 2009105.2Medium
Nordic Collegiate Programming Contest (NCPC) 2010115.6Hard
Nordic Collegiate Programming Contest (NCPC) 2011104.4Medium
Nordic Collegiate Programming Contest (NCPC) 2012125.6Hard
Nordic Collegiate Programming Contest (NCPC) 2013114.4Medium
Nordic Collegiate Programming Contest (NCPC) 2014114.9Medium
Nordic Collegiate Programming Contest (NCPC) 2015106.2Hard
Nordic Collegiate Programming Contest (NCPC) 2016115Medium
Nordic Collegiate Programming Contest (NCPC) 2017115.7Hard
Nordic Collegiate Programming Contest (NCPC) 2018115.3Medium
Nordic Collegiate Programming Contest (NCPC) 2019115.5Medium
Nordic Collegiate Programming Contest (NCPC) 2020135.8Hard
Nordic Collegiate Programming Contest (NCPC) 2021135.6Hard
Nordic Collegiate Programming Contest (NCPC) 2022115.5Medium
Nordic Collegiate Programming Contest (NCPC) 2023115.9Hard
Nordic Collegiate Programming Contest (NCPC) 2024115.8Hard
Nordic Olympiad in Informatics 201738.1Hard
Nordic Olympiad in Informatics 201837.5Hard
Nordic Olympiad in Informatics 202036.4Hard
Nordic Olympiad in Informatics 202136.3Hard
Nordic Olympiad in Informatics 202238.5Hard
Nordic Olympiad in Informatics 202337.3Hard
Nordic Olympiad in Informatics 202436.8Hard
North America Championship 2020126.1Hard
North American Invitational Programming Contest (NAIPC) 2014106.1Hard
North American Invitational Programming Contest (NAIPC) 2015107Hard
North American Invitational Programming Contest (NAIPC) 2016116Hard
North American Invitational Programming Contest (NAIPC) 2017116.3Hard
North American Invitational Programming Contest (NAIPC) 2018116.5Hard
North American Invitational Programming Contest (NAIPC) 2019137.2Hard
North Central North America Regional Contest 202324Medium
North Central North America Regional Programming Contest 202343.8Medium
North Central Regional Programming Contest 202465.2Medium
Northeast North America Regional 201366.5Hard
Northeast North America Regional 201476.8Hard
Northwestern Europe Contest (NWERC) 2008105.2Medium
Northwestern Europe Contest (NWERC) 2009105.7Hard
Northwestern Europe Programming Contest (NWERC) 200375.4Medium
Northwestern Europe Programming Contest (NWERC) 200455.7Hard
Northwestern Europe Programming Contest (NWERC) 200565.7Hard
Northwestern Europe Programming Contest (NWERC) 200665.7Hard
Northwestern Europe Regional Contest (NWERC) 201075.9Hard
Northwestern Europe Regional Contest (NWERC) 201145.1Medium
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