Problem sources

Problem Source
Problems
Average Difficulty
Slovak Olympiad in Informatics Training Camp13.4Medium
Southwestern Europe Regional Contest (SWERC) 2009105.8Hard
Southwestern Europe Regional Contest (SWERC) 201096.8Hard
Southwestern Europe Regional Contest (SWERC) 201145.8Hard
Southwestern Europe Regional Contest (SWERC) 201295.7Hard
Southwestern Europe Regional Contest (SWERC) 201395.7Hard
Southwestern Europe Regional Contest (SWERC) 2014105.6Hard
Southwestern Europe Regional Contest (SWERC) 2015105Medium
Southwestern Europe Regional Contest (SWERC) 2016115.9Hard
Southwestern Europe Regional Contest (SWERC) 2017115.9Hard
Spotify Challenge 201086.5Hard
Spotify Challenge 201185.3Medium
Spotify Code Quest 201286.2Hard
Swedish Championships 200075Medium
Swedish Championships 200164.7Medium
Swedish Coding Cup Finals 201855.7Hard
Swedish Coding Cup Finals 201966.8Hard
Swedish Coding Cup Finals 202157.9Hard
Swedish Coding Cup Finals 202258.3Hard
Swedish ICPC Qualifier 200945.1Medium
T-111-Programming21.3Easy
T-513-Cryptography and Number Theory25.2Medium
Texas Regional Programming Contest 197453.6Medium
The 2016 ACM - ICPC Asia Nha Trang Regional Contest126.7Hard
The 2017 ACM - ICPC Asia Ho Chi Minh City Regional Contest125.6Hard
The 2017 ACM - ICPC Vietnam National Programming Contest125.8Hard
The 2018 ICPC Asia Hanoi Regional Contest126.5Hard
The 2018 ICPC Vietnam National Programming Contest125.9Hard
The 2019 ICPC Asia Danang Regional Contest136.1Hard
The 2019 ICPC Vietnam National Contest126.8Hard
The 2020 ICPC Asia Can Tho Regional Contest136.3Hard
The 2020 ICPC Vietnam National Contest135.7Hard
The 2nd ProgNova Multi-University Programming Contest (2016)85.6Hard
The 3rd ProgNova Programming Contest (2017)76.3Hard
The 4th ProgNova Programming Contest (2018)85.8Hard
The 5th ProgNova Programming Contest (2020)86.9Hard
UBCPC 202085.5Hard
UTSCode 2018104.9Medium
UiB INF237 Algoritme-engineering 201724.9Medium
United Kingdom and Ireland Programming Contest (UKIEPC) 2015135.8Hard
United Kingdom and Ireland Programming Contest (UKIEPC) 2016125.2Medium
United Kingdom and Ireland Programming Contest (UKIEPC) 202033.5Medium
University of Alberta Programming Contest 2022144.3Medium
University of Alberta Programming Contest 2023144.7Medium
University of Alberta Programming Contest 2024134.5Medium
University of Chicago - Department of Computer Science72.6Easy
University of Chicago Masters Program in Computer Science - Placement Exam 2014/1521.6Easy
University of Ulm Local Contest 199713.7Medium
UofAlberta ACM Programming Contest 200214.2Medium
Waterloo Programming Contest 1997-10-1818.6Hard
Waterloo Programming Contest 1998-06-0615.8Hard
Waterloo Programming Contest 1999-01-3157Hard
Waterloo Programming Contest 1999-06-1954.9Medium
Waterloo Programming Contest 1999-09-2555.3Medium
Waterloo Programming Contest 1999-10-0237.4Hard
Waterloo Programming Contest 2000-01-2926.9Hard
Waterloo Programming Contest 2000-09-2345.4Medium
Waterloo Programming Contest 2000-09-3055.4Medium
Waterloo Programming Contest 2001-01-2754.7Medium
Waterloo Programming Contest 2001-06-0235.7Hard
Waterloo Programming Contest 2001-09-2254.1Medium
Waterloo Programming Contest 2001-09-2915.4Medium
Waterloo Programming Contest 2001-10-2012.7Easy
Waterloo Programming Contest 2002-01-2654.3Medium
Waterloo Programming Contest 2002-06-0153.6Medium
Waterloo Programming Contest 2002-09-2136.9Hard
Waterloo Programming Contest 2002-09-2854.2Medium
Waterloo Programming Contest 2003-01-2536.3Hard
Waterloo Programming Contest 2003-07-0535.4Medium
Waterloo Programming Contest 2003-09-2055.1Medium
Waterloo Programming Contest 2003-09-2755.8Hard
Waterloo Programming Contest 2004-01-3157Hard
Waterloo Programming Contest 2004-09-1934.5Medium
Waterloo Programming Contest 2004-09-2546.1Hard
Waterloo Programming Contest 2005-02-0534.8Medium
Waterloo Programming Contest 2005-09-1744.5Medium
Waterloo Programming Contest 2005-09-2453.7Medium
Waterloo Programming Contest 2006-02-2527Hard
Waterloo Programming Contest 2006-05-2734Medium
Waterloo Programming Contest 2006-09-2443.9Medium
Waterloo Programming Contest 2006-09-3056.1Hard
Waterloo Programming Contest 2007-07-1423.1Medium
Waterloo Programming Contest 2007-09-2344.1Medium
Waterloo Programming Contest 2007-09-2925.5Medium
Waterloo Programming Contest 2008-06-1525.1Medium
Waterloo Programming Contest 2008-09-2745.3Medium
Waterloo Programming Contest 2008-10-0454.1Medium
Waterloo Programming Contest 2009-02-0854.9Medium
Waterloo Programming Contest 2009-06-1357.1Hard
Waterloo Programming Contest 2009-09-2755.6Hard
Waterloo Programming Contest 2009-10-0334.5Medium
Waterloo Programming Contest 2010-07-1045.4Medium
Waterloo Programming Contest 2010-09-2645.8Hard
Waterloo Programming Contest 2010-10-0253.9Medium
Waterloo Programming Contest 2011-09-2412.6Easy
Waterloo Programming Contest 2012-09-1613Medium
Waterloo Programming Contest 2012-10-1334.4Medium
Waterloo Programming Contest 2015-07-1814.8Medium
Waterloo Programming Contest 2015-09-2755.2Medium
Waterloo Programming Contest 2016-10-0154.2Medium