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Kattis is planning maintenance. Start: 2025-12-27 15:00:00+01 (in 05:18:00), ETA: 2025-12-27 22:00:00+01 (in 12:18:00)
Problems
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Problem authors
Problem Source
Problems
Average Difficulty
Steven Halim
24
4.8
Medium
Steven Wijaya
2
7.3
Hard
Steven Zeil
11
5
Medium
Stjepan Glavina
2
5.1
Medium
Stjepan Požgaj
1
6
Hard
Stuart Hansen
1
3.2
Medium
Suhas Nagar
22
6.6
Hard
Suhendry Effendy
1
1.5
Easy
Sumner Evans
18
2.7
Easy
Suraj Vathsa
2
4.4
Medium
Surya Subbarao
3
6
Hard
Svetoslav Tzvetkov
1
7.9
Hard
Swen Gaudl
1
6.6
Hard
Synopsys
3
5
Medium
Syx Pek
7
6
Hard
Sérgio Crisóstomo
2
4
Medium
Tan Jun An
2
3.5
Medium
Tanner Hoke
1
3.3
Medium
Taylor Wong
11
5.5
Medium
Teow Hua Jun
10
6.6
Hard
The 2023 ICPC World Finals judges
1
6.8
Hard
Theodor Beskow
3
5.7
Hard
Thierry Lavoie
3
5
Medium
Thijs van Ommen
1
8.1
Hard
Thomas Beuman
6
6.6
Hard
Thomasz Idziaszek
1
4.9
Medium
Thor Eriksen
1
9
Hard
Thore Husfeldt
56
4.1
Medium
Tia Shi Wei
1
8
Hard
Timon Knigge
27
5.1
Medium
Tobias Lenz
1
6.9
Hard
Tobias Meyer Andersen
5
5.5
Hard
Tobias Roehr
2
5.9
Hard
Tobias Werth
6
4
Medium
Tolga Can
1
5.8
Hard
Tom Fuller
1
1.8
Easy
Tom Helmuth
3
6
Hard
Tom Rokicki
2
5.2
Medium
Tom Verhoeff
1
2.3
Easy
Tomas Rokicki
5
4.1
Medium
Tommy Färnqvist
3
4
Medium
Tonko Sabolčec
1
3.2
Medium
Tony Cai
12
4.7
Medium
Tony Xia
4
2.1
Easy
Torbjørn Morland
21
4.7
Medium
Tori Mannarelli
2
5.1
Medium
Torstein Strømme
22
5
Medium
Travis Meade
10
5.7
Hard
Troels Bjerre Lund
3
5.9
Hard
Troy Vasiga
3
3.8
Medium
Truls A. Björklund
1
1.8
Easy
Truls Amundsen Bjørklund
1
1.6
Easy
Tung Kam Chuen
10
6
Hard
Tung Nguyen
4
6.5
Hard
Tylan McKinney
1
6.3
Hard
Tähvend Uustalu
1
6.6
Hard
Tómas Ken Magnússon
8
3.6
Medium
Ulf Lundström
23
4.6
Medium
Ulle Endriss
1
4.9
Medium
Umberto Gherardi
1
2.9
Medium
University of Dallas
1
4.7
Medium
University of Wroclaw
1
6.6
Hard
Unknown
1
7.7
Hard
Unnar Freyr Erlendsson
27
3.7
Medium
Vaibhav Tulsyan
1
4
Medium
Vamsi Manne
1
2.4
Easy
Vegard Sjonfjell
2
4.1
Medium
Victor Loh Bo Huai
1
6.8
Hard
Victor Sellstedt
2
7.9
Hard
Victor Song
5
5
Medium
Viktor Kozhuharov
1
9.7
Hard
Vinh Pham
1
6.4
Hard
Vitaly Aksenov
1
2.9
Medium
Vladimir Valyukh
3
7
Hard
Vlado Keselj
1
6.5
Hard
Volodymyr Lyubinets
6
5.4
Medium
Vuong Hoang Long
4
5.8
Hard
Vytautas Gruslys
2
6.6
Hard
Walter Guttmann
4
5.3
Medium
Walter Kong
2
4.9
Medium
Wenda Qiu
3
4.8
Medium
Wendy Yi
5
5.4
Medium
Wenli Looi
10
4.1
Medium
Wessel van Woerden
1
5
Medium
Wietze Koops
2
5.1
Medium
William Fiset
4
4.3
Medium
William Gan Wei Liang
2
7.3
Hard
William Kraft
4
3
Medium
William Zhao
5
6.6
Hard
Wing-Kin Sung
1
6.3
Hard
Xiaomin Chen
5
4.7
Medium
Xiaoyuan Suo
2
3.5
Medium
Xiayuan Suo
1
1.6
Easy
Xin Zhao
2
4.9
Medium
Yann Viegas
2
6.1
Hard
Yaw Chur Zhe
1
8
Hard
Yen Truong
1
6.7
Hard
Yen-Hsiang Chang
1
6.2
Hard
Yidi Zang
1
6.1
Hard
Yingtao Tian
3
5.2
Medium
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