Report for APMO 2018
General information
- 39 participating countries
- 352 participating students
- Mean score $\mu=13.40$
- Standard deviation $\sigma=8.34$
- Gold cut-off $22$
- Silver cut-off $17$
- Bronze cut-off $11$
Country ranking
Click on a country name to see detailed results
Rank |
Country |
Con.* |
Score |
Awards (G,S,B,HM) |
1 |
Republic of Korea |
10 |
320 |
1, 2, 4, 3 |
2 |
United States of America |
10 |
306 |
1, 2, 4, 3 |
3 |
Japan |
10 |
254 |
1, 2, 4, 3 |
4 |
Singapore |
10 |
231 |
1, 2, 4, 3 |
5 |
Canada |
10 |
220 |
1, 2, 4, 3 |
6 |
Russia |
10 |
210 |
1, 2, 4, 3 |
7 |
Taiwan |
10 |
208 |
1, 2, 4, 3 |
8 |
Islamic Republic of Iran |
10 |
186 |
1, 2, 4, 3 |
9 |
Thailand |
10 |
185 |
1, 2, 4, 3 |
10 |
Indonesia |
10 |
173 |
1, 2, 4, 3 |
11 |
Peru |
10 |
166 |
1, 2, 4, 3 |
12 |
Australia |
10 |
165 |
0, 3, 4, 3 |
13 |
Philippines |
10 |
153 |
1, 2, 4, 3 |
14 |
Brazil |
10 |
148 |
0, 2, 5, 3 |
15 |
Hong Kong |
10 |
145 |
0, 3, 4, 2 |
16 |
Kazakhstan |
10 |
141 |
0, 1, 6, 3 |
17 |
Bangladesh |
10 |
135 |
0, 2, 5, 3 |
18 |
Mexico |
10 |
132 |
0, 1, 6, 3 |
19 |
India |
10 |
123 |
0, 0, 7, 3 |
20 |
Argentina |
10 |
122 |
0, 2, 4, 3 |
21 |
Malaysia |
10 |
100 |
0, 2, 2, 3 |
22 |
Saudi Arabia |
10 |
97 |
0, 0, 3, 7 |
23 |
New Zealand |
10 |
88 |
0, 1, 3, 1 |
24 |
Turkmenistan |
10 |
85 |
0, 0, 2, 8 |
25 |
Macedonia |
10 |
85 |
0, 0, 2, 7 |
26 |
Tajikistan |
10 |
75 |
0, 0, 0, 10 |
27 |
Bolivia |
5 |
66 |
0, 2, 1, 1 |
28 |
Colombia |
9 |
61 |
0, 0, 2, 3 |
29 |
Syria |
10 |
60 |
0, 0, 2, 4 |
30 |
Kyrgyzstan |
8 |
54 |
0, 0, 1, 5 |
31 |
Pakistan |
10 |
47 |
0, 0, 1, 1 |
32 |
Sri Lanka |
6 |
40 |
0, 0, 0, 5 |
33 |
El Salvador |
4 |
28 |
0, 0, 1, 1 |
34 |
Trinidad and Tobago |
10 |
24 |
0, 0, 0, 1 |
35 |
Nicaragua |
10 |
24 |
0, 0, 0, 3 |
36 |
Panama |
3 |
21 |
0, 0, 0, 3 |
37 |
Cambodia |
5 |
20 |
0, 0, 0, 1 |
38 |
Costa Rica |
10 |
12 |
0, 0, 0, 1 |
39 |
Guatemala |
2 |
7 |
0, 0, 0, 0 |
* Con. - Number of contestants
Awards
Show Gold Awards
Rong Victor (Canada)
Otto Alexander Sutianto (Indonesia)
Mohammad Amin Sharifi (Islamic Republic of Iran)
Takaya Yuta (Japan)
Sunghyun Kwon (Republic of Korea)
Daniel Marcelo Benavides Quispialaya (Peru)
Kyle Patrick Dulay (Philippines)
Mihail Lozhkin (Russia)
Yu Peng Ng (Singapore)
Shih-Yu Wang (Taiwan)
Papon Lapate (Thailand)
Andrew Gu (United States of America)
Show Silver Awards
Julián Masliah (Argentina)
Ian Fleschler (Argentina)
Zhang Guowen (Australia)
Hu William (Australia)
Li Charles (Australia)
Ahmed Jahwad Chowdhury (Bangladesh)
Thanic Nur Samin (Bangladesh)
Denis Farid Arancibia Bobarin (Bolivia)
Diego Matias Cazón Tejerina (Bolivia)
Lucas Hiroshi Hanke Harada (Brazil)
Pedro Lucas Lanaro Sponchiado (Brazil)
Guo Thomas (Canada)
Sun Nicholas (Canada)
Yan Yau Cheng (Hong Kong)
Alvin Cheuk Hin Tse (Hong Kong)
Chi Ki Ngai (Hong Kong)
Kinantan Arya Bagaspati (Indonesia)
Gian Cordana Sanjaya (Indonesia)
Mohammad Sharifi Kiasari (Islamic Republic of Iran)
Mohammad Shahverdi (Islamic Republic of Iran)
Hara Toshifumi (Japan)
Kodama Taiyo (Japan)
Alyona Serova (Kazakhstan)
Ji Min Kim (Republic of Korea)
Dain Kim (Republic of Korea)
Zi Song Yeoh (Malaysia)
Kai Chin Ivan Chan (Malaysia)
Víctor Antonio Domínguez Silva (Mexico)
William Han (New Zealand)
Monica Martinez Sanchez (Peru)
Joseph Daniel Altamirano Pacheco (Peru)
Albert John Patupat (Philippines)
Andres Rico Gonzales Iii (Philippines)
Georgy Golovanov (Russia)
Marat Abdrahmanov (Russia)
Tse Yang Lucas Boo (Singapore)
Boon Han Nathaniel Ang (Singapore)
Tien-Chun Cheng (Taiwan)
Tzu-Hsin Chiang (Taiwan)
Thana Somsirivattana (Thailand)
Paramutb Samuthrsindb (Thailand)
Edward Wan (United States of America)
Daniel Zhu (United States of America)
Show Bronze Awards
Carlos Miguel Soto (Argentina)
Bruno Di Sanzo (Argentina)
Nicolás Cassia (Argentina)
Emiliano Liwski (Argentina)
Tan Ethan (Australia)
Tang Hadyn (Australia)
Bang James (Australia)
Steinberg William (Australia)
Rahul Saha (Bangladesh)
Raiyan Jamil (Bangladesh)
Tamzid Morshed Rubab (Bangladesh)
Joydip Saha (Bangladesh)
Ahmed Ittihad (Bangladesh)
Diego Chumacero Carballo (Bolivia)
Bernardo Peruzzo Trevizan (Brazil)
Samuel Prieto Lima (Brazil)
Bruno Brasil Meinhart (Brazil)
Felipe Chen Wu (Brazil)
Tarcísio Soares Teixeira Neto (Brazil)
Zhao William (Canada)
Zou Alvin (Canada)
Halim Howard (Canada)
Zhou Zixiang (Canada)
Martín Díaz (Colombia)
Esteban Aparicio (Colombia)
Diego Alejandro Flores Menjívar (El Salvador)
Tsz Lo Fong (Hong Kong)
Tsz Chuen Wong (Hong Kong)
Joe Tam (Hong Kong)
Harris Leung (Hong Kong)
Ritam Nag (India)
Deepen Toke (India)
Rayyan Shahid (India)
Parjanya Prashant (India)
Himanshu Singh (India)
Utsav Bhardwaj (India)
Spandan Ghosh (India)
Alfian Edgar Tjandra (Indonesia)
Michael Agung Nugroho (Indonesia)
Bennet Clement (Indonesia)
Farras M. Hibban Faddila (Indonesia)
Ahmad Ramezanpour (Islamic Republic of Iran)
Dadgarnia Alirez (Islamic Republic of Iran)
Amir Mahdi Hossein Abadi (Islamic Republic of Iran)
Abolfazl Hajizadeh (Islamic Republic of Iran)
Kuroda Naoki (Japan)
Masugi Kazuki (Japan)
Hayakawa Mutsumi (Japan)
Sakamoto Heizo (Japan)
Alikhan Zimanov (Kazakhstan)
Alikhan Kudaibergenov (Kazakhstan)
Rakhman Asmatullayev (Kazakhstan)
Aruzhan Amanbayeva (Kazakhstan)
Bakdauren Narbayev (Kazakhstan)
Yerarslan Shayakhmetov (Kazakhstan)
Hongnyung Kim (Republic of Korea)
Seungwoo Cho (Republic of Korea)
Jiwon Kang (Republic of Korea)
Minjae Kwon (Republic of Korea)
Bekzhol Zholdubai Uulu (Kyrgyzstan)
Tze Shen Tristan Chaang (Malaysia)
Gee Zhing Sean (Malaysia)
Isaac Jair Jiménez Uribe (Mexico)
Oriol Andreu Solé Pi (Mexico)
Bruno Gutiérrez Chávez (Mexico)
Pablo Alhui Valeriano Quiroz (Mexico)
Diego Hinojosa Tellez (Mexico)
Nuria Sydykova Méndez (Mexico)
Xutong Wang (New Zealand)
Keiran Lewellen (New Zealand)
Andrew Chen (New Zealand)
Nadezhda Ilieva (Macedonia)
Luka Grashkoski (Macedonia)
Sualeh Asif (Pakistan)
Diego Lazaro Cusihuaman (Peru)
Eduardo Llamoca Palomino (Peru)
Gladys Alekza Salazar Leiva (Peru)
Luis Eduardo Chahua Salgueran (Peru)
Sean Anderson Ty (Philippines)
Stefan Marcus Ong (Philippines)
Carl Joshua Quines (Philippines)
Shaquille Wyan Que (Philippines)
Danil Sibgatullin (Russia)
Konstantin Kairov (Russia)
Ulian Gilyazev (Russia)
Alexey Lvov (Russia)
Assad Saleh (Saudi Arabia)
Abdulhamid Aldoobi (Saudi Arabia)
Omar Habibullah (Saudi Arabia)
Shan Hong Dylan Toh (Singapore)
Jianzhi Wang (Singapore)
Xu Chen Tan (Singapore)
Kheng Lin Gabriel Goh (Singapore)
Majed Naser (Syria)
Elie Eshoa (Syria)
Ting-Feng Lin (Taiwan)
Yu-Sheng Shih (Taiwan)
Hsin-Te Yuan (Taiwan)
Yen-Kang Fu (Taiwan)
Natanon Therdpraisan (Thailand)
Rinnara Sangpisit (Thailand)
Jirayus Jinapong (Thailand)
Yolrada Yongpisanpob (Thailand)
Akmyrat Tirkeshov (Turkmenistan)
Kadyrberdi Annabayev (Turkmenistan)
Vincent Huang (United States of America)
Luke Robitaille (United States of America)
Brandon Wang (United States of America)
James Lin (United States of America)
Show Honorable Mentions
Laura Elena Massaccesi (Argentina)
Mateo Carranza Vélez (Argentina)
Gonzalo Agustín Becker (Argentina)
Gao Haowen (Australia)
Mao Jerry (Australia)
Ye (Yip) Fengshuo (Fredy) (Australia)
Nahin Munkar (Bangladesh)
Tanmoy Kumar Sarkar (Bangladesh)
Soumitra Das (Bangladesh)
José Manuel Guerra Colque (Bolivia)
Pedro Gomes Cabral (Brazil)
Mórmon Lima Dos Santos (Brazil)
Lucas Melo De Oliveira (Brazil)
Chin Ompor (Cambodia)
Sun Kai (Canada)
Kang Richard (Canada)
Zhao Freddie (Canada)
Gregorio Salazar (Colombia)
Luz Elena Grisales Gómez (Colombia)
Santiago Rodríguez (Colombia)
Luis Kuffner (Costa Rica)
Amaury Antonio Valle López (El Salvador)
Chi Hang Tam (Hong Kong)
Bruce Xu (Hong Kong)
Raghuram Sundararajan (India)
Pranjal Srivastava (India)
Sutanay Bhattacharya (India)
Jonathan Christian Nitisasro (Indonesia)
Valentino Dante Tjowasi (Indonesia)
Vishandy Rudi Keneta (Indonesia)
Arian Etemadi Haghighi (Islamic Republic of Iran)
Abolfazl Shirmahalle’Ei (Islamic Republic of Iran)
Arman Mohammadi (Islamic Republic of Iran)
Kubota Souji (Japan)
Nishikawa Hiroto (Japan)
Hoshino Taisuke (Japan)
Sultanali Seidaly (Kazakhstan)
Alibek Orazalin (Kazakhstan)
Bibigul Konkayeva (Kazakhstan)
Young Jun Cho (Republic of Korea)
Gyeong Myeong Ko (Republic of Korea)
Sungjun Choi (Republic of Korea)
Amirbek Abdirasulov (Kyrgyzstan)
Doslan Zheksheev (Kyrgyzstan)
Syimyk Barchynbek Uulu (Kyrgyzstan)
Tamerlan Subanbaev (Kyrgyzstan)
Adilbek Abdirasulov (Kyrgyzstan)
Li Xuan Tan (Malaysia)
Jing Kai Ong (Malaysia)
Kuan Liang Lee (Malaysia)
Violeta Alitzel Martínez Escamilla (Mexico)
Cristina Irene Sotomayor Vivas (Mexico)
Carlos Alberto Paez De La Cruz (Mexico)
Johnathan Leung (New Zealand)
Richard Antonio Gonzalez Rugama (Nicaragua)
Marcos Ulises Sanchez (Nicaragua)
Nestor Daniel Gonzalez Trujillo (Nicaragua)
Tamara Mitrovska (Macedonia)
Milan Tasevski (Macedonia)
Martin Dinev (Macedonia)
Nikola Danevski (Macedonia)
Martina Taneva (Macedonia)
Anastasija Tortevska (Macedonia)
Teona Nikovska (Macedonia)
Haroon Khan (Pakistan)
David Garcia (Panama)
Leonardo Marciaya (Panama)
Luis Modes (Panama)
Anthony Yataco Torres (Peru)
Ricardo Javier Uceda Chang (Peru)
Renzo Balcázar Tapia (Peru)
Steven Reyes (Philippines)
Emmanuel Osbert Cajayon (Philippines)
Steven John Wang (Philippines)
Alexandr Odnakov (Russia)
Nikita Kolbin (Russia)
Anatoly Chepasov (Russia)
Thannaa Alhydary (Saudi Arabia)
Mahdi Buali (Saudi Arabia)
Khalid Arjan (Saudi Arabia)
Mohammed Alansari (Saudi Arabia)
Omar Shaikh (Saudi Arabia)
Renad Abualjamal (Saudi Arabia)
Nawaf Alghamdi (Saudi Arabia)
Ker Yang Lee (Singapore)
Puhua Cheng (Singapore)
Xiaorui Zhang (Singapore)
Shenal Kotuwewatta (Sri Lanka)
Maneth Perera (Sri Lanka)
Ghaura Mahabaduge (Sri Lanka)
Nelushi Vithanachchi (Sri Lanka)
Dineth Athukorala (Sri Lanka)
Mark Jabbour (Syria)
Mohamad Alhafe (Syria)
Hafez Al-Assad (Syria)
Amar Fayyad (Syria)
Tien-Sheng Cheng (Taiwan)
Wei-Ping Huang (Taiwan)
Jung-Tao Cheng (Taiwan)
Komron Abdulloev (Tajikistan)
Mekron Bobokhonov (Tajikistan)
Muhammadjon Klichev (Tajikistan)
Bakhtovar Khotami (Tajikistan)
Parviz Aliev (Tajikistan)
Jakhongir Urakov (Tajikistan)
Shokhrukh Makhmadjon (Tajikistan)
Rakhmon Sabirov (Tajikistan)
Sunatullo Rakhmatov (Tajikistan)
Naimdjon Khondjonov (Tajikistan)
Siwakorn Fuangkawinsombut (Thailand)
Vorapas Meejitpaisarn (Thailand)
Pornpipat Gittisupab (Thailand)
Sanjeev Mahadeo (Trinidad and Tobago)
Rustem Gurbandurdyyev (Turkmenistan)
Nurjemal Sariyeva (Turkmenistan)
Ashyrgeldi Atayev (Turkmenistan)
Rahman Agamyradov (Turkmenistan)
Kemal Atajanov (Turkmenistan)
Agamyrat Begenjov (Turkmenistan)
Resul Shamuhammedov (Turkmenistan)
Jepbar Asgarov (Turkmenistan)
Adam Ardeishar (United States of America)
Mihir Singhal (United States of America)
Colin Tang (United States of America)
Statistics by problem
Problem 1
- Mean score $\mu=5.46$
- Standard deviation $\sigma=2.75$
Problem 2
- Mean score $\mu=3.59$
- Standard deviation $\sigma=3.18$
Problem 3
- Mean score $\mu=1.84$
- Standard deviation $\sigma=2.73$
Problem 4
- Mean score $\mu=2.08$
- Standard deviation $\sigma=2.76$
Problem 5
- Mean score $\mu=0.43$
- Standard deviation $\sigma=1.54$