OCPC, Day 5, Colin and His Friends' Contest 2

Iași, Romania, September 16, 2026

Show TypeTeams Average problems solved by top 4 teams Average place taken by top 4 teams Problems solved by 4th team
Remote (H) 21 9.2 3.5 7
Remote (I) 24 7.2 10.0 7
Hong Kong 12 6.8 13.5 6
Iași 14 6.5 18.8 6
All 71 9.5 2.5 8
Start time Contest speed Penalty for wrong submission Start the contest Finish the contest Suspend the contest Show Ranking
Standings [5:00:00]
Place User Type A B C D E F G H I J K L M Total Penalty Dirt Rating
Sponge Bob (Ildar Gainullin, Andrey Matveev)
 Remote (H) +
(0:03)
 +9
(4:01)
 +1
(0:12)
 +5
(1:48)
 +
(0:51)
 +9
(4:36)
 +1
(2:27)
 +1
(1:40)
 +5
(4:50)
 +4
(1:04)
 +
(0:48)
 +
(0:16)
std_abs (Bo-Ye Wu, Chung-Chun Huang, Po-Hsi Lin), total = 3126
 Remote (H) +
(0:07)
 +
(0:30)
 -1 +
(4:32)
 +4
(2:53)
 +2
(2:27)
 +1
(0:44)
 +1
(1:48)
 +1
(1:16)
 +
(0:25)
lp1 on fire (Parsa Pordeli Behrouz, Alireza Kaviani, Amirhossein Farkhondehfar)
 Remote (H) +
(0:15)
 +
(4:01)
 +1
(0:51)
 -1 -1 +2
(2:40)
 +
(1:23)
 +3
(4:32)
 +
(0:49)
 +1
(3:11)
 +
(0:05)
KoRoVa! (Valerii Grynenko, Kostiantyn Denisov, Pitsura Roman), total = 2438
 Remote (I) +
(0:10)
 +
(0:26)
 -9 +2
(4:47)
 +1
(1:15)
 +
(2:50)
 +
(1:47)
 +
(1:40)
 +
(0:16)
Ctrl+Alt+DelETHe (Vesselin Markovich, Tudor Ștefan Mușat, Jiaheng Li)
 Iași +
(0:06)
 +1
(0:49)
 +4
(3:51)
 +3
(1:23)
 -3 +
(3:01)
 +1
(1:40)
 +1
(1:54)
 +
(1:08)
HKUST (Zijian Yang, Suyi Yao, Jiayi Pang), total = 2389
 Hong Kong +
(0:34)
 +1
(0:46)
 +3
(4:26)
 -19 +1
(1:27)
 +1
(2:13)
 -25 +4
(2:56)
 +1
(2:54)
 +1
(0:55)
Infinite L∞pers (Florian Brendle, Sebastian Kirmayer, Lennart Blumenthal)
 Remote (I) -1 +
(0:17)
 +
(0:56)
 -1 +1
(3:50)
 -1 +
(1:31)
 +
(1:14)
 +
(1:49)
 +
(0:42)
revoNTUlet (Ping-Chung Chang, I-En Kao, Yu-An Cho), total = 2151
 Remote (H) +
(0:22)
 +
(0:43)
 -1 +1
(3:37)
 +
(1:31)
 +1
(0:33)
 +1
(2:55)
 +
(0:53)
Waterloo Black (Kai Wen Yang, Kelly Dance, Kevin Guo), total = 2395
 Remote (H) +
(0:23)
 +1
(0:39)
 -4 +2
(3:41)
 +1
(2:20)
 +1
(0:56)
 +
(2:40)
 +3
(0:30)
Tideology (Heng Liao, Wei Wei, Tsung-Yi Tsai), total = 2182
 Remote (H) +
(0:17)
 +
(0:58)
 -1 -2 +
(4:07)
 +
(2:34)
 +1
(2:12)
 +1
(2:58)
 +1
(0:45)
nobook (Chun-Yao Shih, Yi-An Wang, Chi-En Chen), total = 2160
 Remote (H) +
(0:14)
 +1
(0:30)
 +3
(4:31)
 -4 +
(1:46)
 +
(2:03)
 +2
(2:35)
 +1
(0:56)
Wine-filled Fishball Pie (Lu Yi Fung, Hsieh Chong Ho, Wong Chun)
 Hong Kong +
(0:10)
 -1 +
(0:24)
 -1 -10 +2
(2:52)
 +5
(3:29)
 +4
(1:37)
 +
(2:02)
 +1
(0:43)
theseus_advantage (Ting-Wei Chang, Po-Han Wu, Yi-Chun Chiu), total = 2630
 Remote (H) +
(0:13)
 +1
(0:46)
 +4
(4:22)
 +1
(2:00)
 +
(2:10)
 +1
(2:32)
 +2
(0:37)
little space (Parsa Farajpour, Amirhossein Vahiditabar, Alireza Rahimi)
 Remote (I) +1
(0:33)
 +1
(1:09)
 +2
(4:31)
 +
(4:17)
 +
(0:25)
 +
(3:12)
 +3
(1:10)
À Déterminer (Mathéo Beney, Théo Hollender, Jiri Gebauer)
 Remote (I) +1
(0:13)
 +
(1:15)
 -1 +5
(4:10)
 +
(4:49)
 +
(2:05)
 +1
(2:38)
 +1
(1:12)
HKOI -1 (Chong Hon Tsun, Ko Kin Fung Nicholas, Ip Tsz Oi), total = 2362
 Hong Kong +
(0:08)
 +
(0:24)
 -5 +
(1:00)
 +1
(2:47)
 +
(2:42)
 +
(0:29)
Fourth Chorus (Amirali Asgari, Hamed Ghaffari, Sepehr Ramezani), total = 2804
 Remote (I) +
(0:06)
 +1
(0:53)
 -1 -3 +1
(1:52)
 +
(1:24)
 +
(2:48)
 +
(0:40)
FAUst FAUrier TransFAUrm (Oliver Schnell, Quirin Soldner, Anton Hoof), total = 2226
 Remote (I) +
(0:04)
 +1
(0:25)
 -2 -3 +1
(2:39)
 +
(1:19)
 +
(3:05)
 +
(0:31)
CU (Teetat Thamronglak, Thawin Tengamnuay, Sarit Pasiphol), total = 2375
 Remote (H) +
(0:17)
 +3
(0:38)
 -3 -6 +2
(2:05)
 +
(1:24)
 +
(2:35)
 +1
(0:58)
bruh open (Bosco Wang, Kevin Xie, Honrich Lai), total = 2404
 Hong Kong +
(0:14)
 +1
(4:21)
 +2
(0:15)
 -2 -5 -6 +3
(2:15)
 +
(1:19)
 +
(0:44)
szybciej (Sylwia Sapkowska, Jeremi Hyska, Robert Soboński), total = 2024
 Iași +1
(0:14)
 -3 +
(0:27)
 -1 +1
(3:44)
 +1
(2:45)
 +
(2:31)
 +
(0:28)
wanna be free (Xinxiang Yin, Wenkai Chen, Xiyao Gong)
 Remote (H) +
(0:28)
 +1
(0:58)
 +2
(2:30)
 +1
(1:39)
 +
(4:11)
 +
(0:37)
Tri cepelina (Dino Hadžić, Jakov Celin, Ivo Pavičić), total = 1998
 Remote (I) +
(0:27)
 +2
(0:34)
 -2 +3
(4:28)
 +
(1:32)
 +1
(3:11)
 +
(1:19)
Clown Siesta (Ciobanu Andrei Mihai, Ionescu Matei, Gheorghieș Alexandru), total = 2025
 Iași +1
(0:11)
 +7
(2:00)
 +6
(1:11)
 -1 +7
(3:33)
 +
(1:36)
 -13 +
(0:04)
Zakolot (Andrii Kholod, Daryna Karpenko, Taras Derkach)
 Iași +2
(0:48)
 +9
(2:13)
 +11
(3:58)
 +
(4:49)
 +1
(4:20)
 +1
(0:58)
Scrupulous strawberries (Matīss Kristiņš, Valters Kalniņš, Kristaps Štāls), total = 2102
 Iași +
(0:21)
 +1
(0:44)
 -7 -2 +
(1:28)
 +1
(3:52)
 +
(0:25)
UCF Triangulate (Thomas Meeks, Aviv Brian Barak, Benjamin Prins)
 Remote (I) +
(0:17)
 +1
(0:44)
 -1 -64 +
(1:09)
 +
(4:45)
 +
(0:25)
using namespace std (Bohao Tu), total = 2154
 Hong Kong +
(0:19)
 +2
(0:35)
 -1 +5
(1:37)
 +
(3:45)
 +1
(0:13)
FMI-3 (Velislav Petrov Garkov, Petar Velislavov Mihov, Aleksandar Gatev)
 Iași +
(0:08)
 -5 +3
(0:49)
 -2 -1 -12 +
(2:28)
 +
(4:08)
 +3
(0:30)
Master Ka4ka (Kaisa Nuridin, Torekeldi Abilmasur, Syrgabayev Nurislam)
 Hong Kong +1
(0:10)
 +
(0:39)
 -1 +
(3:31)
 +
(2:37)
 +4
(1:44)
sin globito no hay fiesta (Diego Arias, Martin Ruiz-Tagle, Gabriel Carmona)
 Iași +3
(1:26)
 +
(0:30)
 -1 -2 +
(2:12)
 +1
(3:32)
 +2
(1:09)
Aamchi Mumbai (Shivang Tiwari, Vaibhav Raj, Prathamesh Pilkhane)
 Hong Kong +1
(0:18)
 +1
(0:52)
 +2
(3:33)
 +7
(1:54)
 +
(0:34)
HCMUS-Outis (Ngo Quang Minh, Huynh Giang Nhat Khang, Nguyen Huynh Hai Long)
 Remote (H) +
(0:27)
 +
(1:09)
 -3 -4 +
(3:35)
 +
(3:04)
 +7
(2:00)
Ceata lui Mihnea (Bucă Mihnea-Vicentiu, Ilie Dumitru, Busoi-Radulescu Stefan)
 Remote (I) +1
(1:08)
 +5
(1:50)
 +1
(2:13)
 +
(4:23)
 +
(0:56)
$O(N^2/64)$ (Joshua Thomas Bergman Andersson, John Hedin, Kasper Johansson)
 Remote (I) +1
(0:32)
 +3
(1:09)
 +2
(4:09)
 +
(2:03)
 +2
(3:20)
qwerty (Victor-Ștefan Arseniu, Victor Botnaru, Andrei Chertes)
 Iași +
(0:07)
 +4
(3:12)
 +5
(1:02)
 -1 -7 +2
(2:36)
 -2 +3
(2:18)
Vikunjaaa (Peter Zackrisson, Simon Bachran, Helena Ullrich)
 Remote (I) +1
(0:58)
 +5
(1:58)
 +2
(3:21)
 +
(3:51)
 +
(1:51)
Central Podpivasy (Yuriy, Artem)
 Remote (I) +1
(0:33)
 +2
(1:44)
 +5
(2:32)
 +4
(4:41)
 +1
(1:11)
LNU Turtles (Oleksandr Zhenchenko, Zakhar Chaikivskyi, Volodymyr Dudchak), total = 1804
 Iași +2
(2:09)
 +1
(1:23)
 +1
(4:14)
 +
(4:47)
 +1
(1:06)
Div0 (Feysa Bohdan, Tsitsei Pavlo, Tymkovych Oleksandr), total = 1975
 Iași +7
(1:34)
 +3
(1:41)
 -22 +13
(3:00)
 +1
(4:00)
 +1
(0:44)
UniBuc_1 (Verzotti Matteo-Alexandru, Dobre Darius-Adrian, Prosie Radu-Teodor)
 Remote (I) +4
(1:10)
 +11
(2:56)
 -2 +2
(4:03)
 +1
(4:50)
 -2 +
(0:22)
Optimized Backtracking (Haba Matei-Ionut, Nuta Stefan-Alexandru, Calota Andrei-Patrick), total = 1298
 Iași +1
(1:09)
 +
(2:04)
 -2 -4 +2
(0:59)
 +
(1:20)
KPI_Steel_Balls (Marian Shyika, Ishchenko Viktor, Steblevets Oleksandr)
 Remote (I) +
(0:29)
 +3
(1:14)
 +
(2:09)
 +
(1:46)
WeShowSpeed (Owen Sidarta, Christivan Komah, Akhmet Issa), total = 1297
 Remote (H) +2
(0:54)
 +2
(0:50)
 +
(3:24)
 +
(0:22)
NTT (Pîrțac Eduard-Lucian, Luchian Cristian, Enăchescu Andrei-Florin)
 Iași +
(0:39)
 +1
(1:23)
 -18 +
(1:47)
 +2
(2:03)
Still thinking of a Name (Tran Hai Dang, Tan Le Jie, Yvonnie Natasha), total = 1217
 Remote (H) +
(0:57)
 +2
(1:07)
 +1
(0:50)
 +1
(2:39)
Kyogre-Mimikyu-Porygon Algorithm (Lok Chi Sum, Wong Cheuk Kiu, Yang Chun Kit)
 Hong Kong +
(0:36)
 +2
(1:06)
 +
(4:14)
 -3 +1
(0:47)
寧做雞頭 不做鳳尾 (Chau Ching Hin, Cheng Chun Wan, Lee Kai Chung Jacky)
 Hong Kong +1
(0:53)
 +2
(1:44)
 +
(2:56)
 -3 +
(2:00)
BUET_Silver_hawks (Shafin Ahmed, Md. Ashraful Islam Fahim, Md. Tahmid Hossain)
 Remote (H) +2
(1:16)
 +
(0:42)
 +3
(4:42)
 +
(0:16)
UTSC Amber (Hai Long Nguyen, Evan Simanovskis)
 Remote (I) +
(1:15)
 +1
(0:52)
 +3
(3:33)
 +2
(1:07)
BAD (Gheorghe Daniel, Puică Andrei, Benchea Matei)
 Iași +2
(1:59)
 +1
(1:16)
 -1 +2
(3:23)
 +2
(1:00)
pingin sejago GPT (Yose Yehezkiel Maranata, Roberto Eugenio Sugiarto, Kevin Cornellius Widjaja), total = 1747
 Remote (I) +4
(1:49)
 +1
(1:15)
 +3
(3:23)
 -2 +3
(1:19)
NULP_SonsOfTheDiddy (Anton Perebyinis, Svyatoslav Ilchenko, Proskurnia Dmytro), total = 234
 Remote (I) +1
(0:15)
 +2
(4:07)
 -25 +
(3:33)
 +1
(2:13)
Linked Liszt (Jakob Fanselow, Konstantin Groth, Julian Windheuser)
 Remote (I) +
(0:07)
 +1
(1:46)
 +5
(4:24)
 -3 +7
(2:09)
Don't Die Yet (Jaehyeok Lee, Hyokyu Kang, Hoeyun Jung), total = 1876
 Remote (H) +2
(1:04)
 +1
(3:24)
 +1
(3:52)
 -3 +5
(3:01)
Vodka and Iced Lemon Tea (Yachao Yan, Kui Wang Choi, Demidov Ilia), total = 951
 Hong Kong -1 +1
(0:50)
 +15
(3:15)
 +
(4:09)
 +3
(1:02)
NLU (Pham Tien Hoang, Nguyen Phu Vinh, Vo Van Thiet)
 Remote (H) +2
(3:06)
 +3
(1:39)
 +
(4:47)
 +5
(3:30)
UCU_Coach (Leshchuk Roman, Solchanyk Vasyl, Shkunda Maksym)
 Remote (H) +1
(0:30)
 +
(0:54)
 +2
(2:22)
BUET_GreyMatter (Raad Sharar, Shahtaz Rahman Labib, Amartya Sarker)
 Remote (H) +
(0:32)
 +1
(1:52)
 +5
(2:17)
Cougar Blue (Lucas Patten, Jonathan Dastrup, Chung Yan Chow)
 Remote (H) +2
(3:02)
 +
(2:08)
 -5 +
(1:01)
Supernova (Sk. Ashrafuzzaman Nafees, Rubaiyat -E-Zaman, Tahjib Hossain Khan), total = 1582
 Remote (H) +2
(1:20)
 +4
(2:30)
 -2 +
(1:03)
OUSDO (Zhang Haoyue, Li Hengxian)
 Hong Kong +2
(0:27)
 +7
(1:26)
 -4 +4
(1:55)
Jack O Wee (Daffa Rayhan Ananda, Vincent Valentino Oei, Galih Nur Rizqy), total = 1423
 Remote (I) +
(2:08)
 +4
(3:44)
 +1
(1:18)
BUET_Asymptotes (Md. Mutammim Irtiza Islam, Arko Chowdhury, Suhrid Kumar Kundu Saha)
 Remote (H) +4
(3:08)
 +2
(3:03)
 -2 +
(1:03)
Indonesian Airfryer (Kaysan Navid Musyaffa, Fatih Naufal Habibillah, Putu Rizki Manik Widiadnyana)
 Remote (I) +8
(2:57)
 +5
(4:18)
 -1 +2
(1:14)
Matroid Enjoyer (Paul Sievers, Tom Kessler, Joshua Schünke)
 Remote (I) +6
(4:21)
 +1
(2:04)
 +5
(3:48)
Laptarii (Tomita Matei Alexandru, Maftei Tudor, Perdevara Andrei), total = 471
 Iași -10 +1
(1:53)
 +2
(1:32)
non-binary tree (Tymofii Kyrylenko, Amir Kuskeyev, Oleksandr Kudlai)
 Remote (I) +
(0:05)
catsandsablesarecute (Mandeep Singh)
 Remote (I) -1 +1
(1:22)
Ompreng MBG (Vincent Armando, Jonathan Sebastian Sindhu, Faishal Falih)
 Remote (I) -2 +3
(1:49)
Bocconi (Tommaso Scardecchia, Ali Senel, Norbert Cesar)
 Hong Kong -2 -2 +3
(3:50)
7771777 Submissions:   3 154 35 205 99 39 61 146 94 36 154 79 168 1273 9999 0.99 200.00
Accepted:   0 68 5 67 3 4 5 12 29 3 56 33 69 354      
  %:   0% 44% 14% 33% 3% 10% 8% 8% 31% 8% 36% 42% 41% 28%