Kattis

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Problem sources

Problem Source
Problems
Average Difficulty
KTH Challenge 201574.9Medium
KTH Challenge 201675.7Hard
KTH Challenge 2016, adapted from KTH CSC Popup 2002 Session 114.9Medium
KTH Challenge 201795.8Hard
KTH Challenge 201886Hard
KTH Challenge 201985Medium
KTH Challenge 202086Hard
KTH Challenge 202176Hard
KTH Challenge 202295.3Medium
KTH Challenge 202596Hard
KTH Training305.2Medium
KTH Training 2010-09-0813.7Medium
KTH Training 201113.8Medium
KTH training 2011-01-2611.9Easy
KTH training, January 23, 201418.2Hard
Kattis61.7Easy
Kattis Challenge 201776.4Hard
Kodsport Summer Challenge 2020144.6Medium
LTH Challenge 201795.7Hard
LTH Challenge 201965.3Medium
LTH Challenge 202073.2Medium
LTH Challenge 202185.2Medium
LTH Challenge 202285.2Medium
LTH Challenge 202495.2Medium
LTH Challenge 2025104.8Medium
LiU Coding Challenge 201856.3Hard
LiU Coding Challenge 201955.9Hard
Local Programming Contest at University of Alberta - October 20, 200113.6Medium
Lokakeppni TÖL607G HÍ 201963.2Medium
Lokapróf í TÖL607G 202464.6Medium
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 202183.4Medium
NB High School Programming Competition 202285.4Medium
NCNA HSC 202593.8Medium
NCPC 2012 and KTH training18Hard
NENA 2019106.5Hard
NSA Challenge 2024 ICPC NAC37.8Hard
NUS Competitive Programming1846.4Hard
Nada Open 200237.3Hard
Nada Open 200416.1Hard
Nada Open 2004/200526.9Hard
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, 200616.8Hard
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) 2012125.5Hard
Nordic Collegiate Programming Contest (NCPC) 2013114.4Medium
Nordic Collegiate Programming Contest (NCPC) 2014114.8Medium
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) 2019115.4Medium
Nordic Collegiate Programming Contest (NCPC) 2020135.7Hard
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) 2024115.6Hard
Nordic Olympiad in Informatics 201738Hard
Nordic Olympiad in Informatics 201837.5Hard
Nordic Olympiad in Informatics 202036.2Hard
Nordic Olympiad in Informatics 202136.3Hard
Nordic Olympiad in Informatics 202238.4Hard
Nordic Olympiad in Informatics 202337.4Hard
Nordic Olympiad in Informatics 202437Hard
North America Championship 2020126.1Hard
North American Invitational Programming Contest (NAIPC) 2014106Hard
North American Invitational Programming Contest (NAIPC) 2015107.1Hard
North American Invitational Programming Contest (NAIPC) 2016116Hard
North American Invitational Programming Contest (NAIPC) 2017116.3Hard
North American Invitational Programming Contest (NAIPC) 2018116.4Hard
North American Invitational Programming Contest (NAIPC) 2019137.1Hard
North Central North America Regional Contest 202323.9Medium
North Central North America Regional Programming Contest 202343.7Medium
North Central Regional Programming Contest 202465.1Medium
Northeast North America Regional 201366.4Hard
Northeast North America Regional 201476.8Hard
Northwestern Europe Contest (NWERC) 2008105.1Medium
Northwestern Europe Contest (NWERC) 2009105.7Hard
Northwestern Europe Programming Contest (NWERC) 200375.3Medium
Northwestern Europe Programming Contest (NWERC) 200455.7Hard
Northwestern Europe Programming Contest (NWERC) 200565.6Hard
Northwestern Europe Programming Contest (NWERC) 200665.6Hard
Northwestern Europe Regional Contest (NWERC) 201075.8Hard
Northwestern Europe Regional Contest (NWERC) 201145Medium
Northwestern Europe Regional Contest (NWERC) 2014115.5Hard
Northwestern Europe Regional Contest (NWERC) 2014 Practice Session33.6Medium
Northwestern Europe Regional Contest (NWERC) 2015115Medium
Northwestern Europe Regional Contest (NWERC) 2015 Practice32.5Easy
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