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Problem authors
Problem Source
Problems
Average Difficulty
Mladen Puzić
1
5
Medium
Modan Han
6
4.2
Medium
Mohammadreza Mohseni
1
8
Hard
Moritz Kobitzsch
3
4.8
Medium
Muhammad Ayaz Dzulfikar
2
2.6
Easy
Mykola Protsenko
1
3.2
Medium
Måns Magnusson
11
4.2
Medium
Mårten Wiman
7
6.1
Hard
Mārtinš Opmanis
1
5.4
Medium
Mārtiņš Opmanis
1
9.3
Hard
Nalin Bhardwaj
2
6.1
Hard
Nathan Backman
4
3.8
Medium
Nathan Maier
1
6
Hard
Nathan Mytelka
1
6.5
Hard
Neha Kapur
1
1.6
Easy
Neil Vaishampayan
4
4.4
Medium
Ng Yu Peng
4
6.9
Hard
Nguyen Dinh Quang Minh
9
6.9
Hard
Nguyen Tan Sy Nguyen
1
5.5
Hard
Nicholas Sharp
3
2.1
Easy
Nick Wu
61
4.4
Medium
Nicolas Hardy
3
3.4
Medium
Nicole Hedblom
2
5.6
Hard
Nikil Selvam
7
7
Hard
Niklas Sandén
1
2.6
Easy
Nikola Dmitrović
5
1.5
Easy
Nikola Pintarić
1
1.3
Easy
Nils Barlaug
2
6.2
Hard
Nils Grimsmo
5
4.6
Medium
Nils Gustafsson
64
5.9
Hard
Noah Gergel
5
1.9
Easy
Noah Weninger
24
5.3
Medium
Olav Røthe Bakken
7
5.2
Medium
Olivier Bourgeois
1
2.1
Easy
Olle Lapidus
7
6
Hard
Ondřej Lhoták
43
4.9
Medium
Onno Berrevoets
3
2.8
Medium
Oskar Haarklou Veileborg
8
4.4
Medium
Oskar Werkelin Ahlin
21
4.4
Medium
Owen Kaser
4
5
Medium
Paco Álvaro
1
6.7
Hard
Paul Wild
19
5.7
Hard
Pavel Petrovic
1
6.2
Hard
Pavle Martinović
1
5
Medium
Pawel Gawrychowski
2
7.6
Hard
Paweł Idziak
1
2.1
Easy
Paweł Komosa
1
7.6
Hard
Pedro Guerreiro
3
5.8
Hard
Pedro Ribeiro
1
6.4
Hard
Pedro Vasconcelos
4
4.8
Medium
Pehr Söderman
19
4.4
Medium
Peilin Zhong
2
7.3
Hard
Per Austrin
118
5.4
Medium
Peter Høyer
1
3.6
Medium
Peter Kluit
1
8.7
Hard
Peter Košinár
1
5.2
Medium
Peter Steele
3
6.7
Hard
Petr Mitrichev
1
7.5
Hard
Petter Elvevoll
2
4.2
Medium
Philip Wellnitz
1
6.1
Hard
Philipp Reger
1
5.6
Hard
Pim Spelier
1
1.7
Easy
Piotr Micek
1
5.5
Hard
Piotr Rudnicki
20
4.4
Medium
Piotr Zielinski
1
6.9
Hard
Porter Scobey
2
2.5
Easy
Prabhakar Ragde
2
4.4
Medium
Programmeringsolympiaden
2
3.8
Medium
Pär Söderhjelm
3
4.3
Medium
Pål G. Drange
4
6.5
Hard
Pål Grønås Drange
9
4.1
Medium
Pétur Ólafur Aðalgeirsson
2
1.4
Easy
R. Marshall
2
2.9
Medium
Rachel Krohn
2
7
Hard
Ragnar Groot Koerkamp
20
5.4
Medium
Ragnar Nevries
1
8.4
Hard
Rama Aryasuta Pangestu
20
6
Hard
Ranald Lam Yun Shao
2
6.7
Hard
Raphaël Marinier
2
6.4
Hard
Rasmus Pagh
1
5.5
Medium
Raunak Redkar
2
3.2
Medium
Raymond Kang Seng Ing
1
6.2
Hard
Raymond van Bommel
10
5
Medium
Reinier Schmiermann
4
4.5
Medium
Reiya Downs
2
2.5
Easy
Richard Peng
5
4.7
Medium
Rishi Sankar
6
6.2
Hard
Robert Hochberg
10
4.9
Medium
Robert McGorman
1
2.3
Easy
Robert Pilgrim
1
2.4
Easy
Robin Christopher Yu
49
7.1
Hard
Robin Lee
22
5.2
Medium
Roger Henriksson
1
4.8
Medium
Rohit Nema
2
3.4
Medium
Rongqi Qiu
2
7.5
Hard
Rudy van Vliet
1
5.8
Hard
Rujia Liu
5
4.1
Medium
Ruth Risberg
2
3.2
Medium
Ryan Farrell
3
3.8
Medium
Ryan Henning
2
5.5
Medium
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