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Problem authors
Problem Source
Problems
Average Difficulty
Matthew Iverson
1
2
Easy
Matthew Ng Zhen Rui
6
4.2
Medium
Matthias Bayerlein
1
3.6
Medium
Matthias Ruhl
3
6.8
Hard
Mattias Akke
5
4.9
Medium
Max Nilsson
1
5.8
Hard
Max Wilson
1
2.3
Easy
Maximilian Fichtl
1
6.5
Hard
Maximilliano Utomo Quok
9
6.1
Hard
Md Hasan
1
7.2
Hard
Mees de Vries
34
4.5
Medium
Mehfuz A Rahman
1
2.4
Easy
Mete Saka
2
2.9
Medium
Micah Stairs
6
6
Hard
Michael Baer
1
5.5
Hard
Michael Bradet-Legris
1
3.2
Medium
Michael C Slattery
1
5.6
Hard
Michael Goldwasser
7
4.7
Medium
Michael Ruderer
1
6.3
Hard
Michael Zmuda
1
1.5
Easy
Michael Zündorf
24
6
Hard
Michal Forišek
6
2.9
Medium
Michał Pilipczuk
5
4.9
Medium
Michał Sapalski
1
6.9
Hard
Miguel Araújo
6
5.4
Medium
Miguel Oliveira
6
6.3
Hard
Mikael Goldmann
17
5.2
Medium
Mike Domaratzki
3
5.6
Hard
Mike Nguyen
3
5.7
Hard
Mike Zmuda
1
6.7
Hard
Mike de Vries
13
4.7
Medium
Mikiya Stein
1
3.4
Medium
Mikkel Abrahamsen
1
8.1
Hard
Milton King
4
4.5
Medium
Ming-Yee Iu
1
5.6
Hard
Misha Ivkov
4
6.1
Hard
Mislav Balunović
14
5.5
Hard
Mislav Bradač
3
7.3
Hard
Mladen Puzić
1
5
Medium
Modan Han
6
4
Medium
Mohammadreza Mohseni
1
8
Hard
Mohammed Alnasser
2
4.5
Medium
Moritz Kobitzsch
3
5.8
Hard
Muhammad Ayaz Dzulfikar
2
2.7
Easy
Mykola Protsenko
1
3
Medium
Måns Magnusson
14
4.3
Medium
Mårten Wiman
7
5.9
Hard
Mārtinš Opmanis
1
5.7
Hard
Mārtiņš Opmanis
1
9.1
Hard
Nalin Bhardwaj
2
6
Hard
Naser Al Madi
2
6.6
Hard
Nathan Backman
4
3.7
Medium
Nathan George
3
4.1
Medium
Nathan Maier
2
5.9
Hard
Nathan Mytelka
1
6.3
Hard
Nathan Nguyen
2
6.7
Hard
Neha Kapur
1
1.4
Easy
Neil Vaishampayan
4
4.2
Medium
Ng Yu Peng
8
6.7
Hard
Nguyen Dinh Quang Minh
9
7.2
Hard
Nguyen Tan Sy Nguyen
1
5.7
Hard
Nicholas Sharp
3
2
Easy
Nick Belov
2
7.1
Hard
Nick Wu
70
4
Medium
Nicolas Hardy
3
3.6
Medium
Nicole Hedblom
2
5.6
Hard
Nikil Roashan Selvam
2
5
Medium
Nikil Selvam
8
7.1
Hard
Niklas Mohrin
1
6.8
Hard
Niklas Sandén
3
3.6
Medium
Niko Hastrich
1
6
Hard
Nikola Dmitrović
5
1.6
Easy
Nikola Pintarić
1
1.4
Easy
Nils Barlaug
4
5.9
Hard
Nils Grimsmo
5
4.5
Medium
Nils Gustafsson
79
6
Hard
Noah Gergel
9
2.6
Easy
Noah Webber
1
4.7
Medium
Noah Weninger
26
5.1
Medium
Olav Røthe Bakken
7
5
Medium
Olivier Bourgeois
1
2
Easy
Olle Lapidus
9
6.1
Hard
Omkar Bhalerao
2
6.1
Hard
Ondřej Lhoták
43
4.7
Medium
Onno Berrevoets
4
3.6
Medium
Oskar Haarklou Veileborg
8
4
Medium
Oskar Werkelin Ahlin
21
4.4
Medium
Owen Kaser
12
4.9
Medium
Paco Álvaro
1
7.2
Hard
Parsa Zarezadeh
1
7.2
Hard
Patricia Fehrentz
2
1.8
Easy
Paul Jungeblut
1
6.8
Hard
Paul Wild
39
5.4
Medium
Paul Yang
1
6.5
Hard
Pavel Petrovic
1
6.1
Hard
Pavle Martinović
1
5
Medium
Pawel Gawrychowski
2
7.1
Hard
Paweł Idziak
1
2.2
Easy
Paweł Komosa
1
7.3
Hard
Pedro Guerreiro
3
5.1
Medium
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