International Olympiad in Informatics – Statistics Olympiads Countries Tasks Hall of Fame Search Add Login ← IOI 2020 Main Results Delegations Contestants Tasks Administration Score ▼ Rank Contestant Country P Su T B M St Medal Abs. Rel. 1 William Lin United States of America 100 100 100 100 100.00 100.00 600.00 100.00% Gold 2 Eun Soo Choe Republic of Korea 100 100 100 100 93.00 100.00 593.00 98.83% Gold 3 Harris Leung Hong Kong 100 100 100 100 92.62 100.00 592.62 98.77% Gold 3 Yuxiang Luo China 100 100 100 100 92.62 100.00 592.62 98.77% Gold 3 Yuyang Zhou China 100 100 100 100 92.62 100.00 592.62 98.77% Gold 3 Zhanpeng Wang China 100 100 100 100 92.62 100.00 592.62 98.77% Gold 7 Mingrun Jiang China 100 100 100 100 92.24 100.00 592.24 98.71% Gold 8 Ildar Gainullin Russia 75 100 100 100 92.62 100.00 567.62 94.60% Gold 8 Tadija Šebez Serbia 75 100 100 100 92.62 100.00 567.62 94.60% Gold 10 Shayan Pardis Iran 44 100 100 100 92.62 100.00 536.62 89.44% Gold 11 Duc Bui Hong Vietnam 60 100 100 77 96.58 100.00 533.58 88.93% Gold 12 Junhyuk Song Republic of Korea 75 100 100 100 92.62 65.32 532.94 88.82% Gold 13 Pikatan Arya Bramajati Indonesia 49 100 100 100 80.43 100.00 529.43 88.24% Gold 14 Patrick Pavić Croatia 100 100 41 100 80.43 100.00 521.43 86.91% Gold 15 Nikoloz Birkadze Georgia 75 100 100 100 80.43 65.32 520.75 86.79% Gold 16 Teimurazi Toloraia Georgia 60 100 100 77 80.43 100.00 517.43 86.24% Gold 17 Alexandru Luchianov Romania 75 100 41 100 92.62 100.00 508.62 84.77% Gold 18 Thomas Guo Canada 49 100 100 100 92.62 65.32 506.94 84.49% Gold 19 Walden Yan United States of America 32 100 100 100 73.38 100.00 505.38 84.23% Gold 20 Zixiang Zhou Canada 75 100 100 42 86.59 100.00 503.59 83.93% Gold 21 Xinyang Chen United States of America 14 100 90 100 99.12 100.00 503.12 83.85% Gold 22 Rintaro Matsuo Japan 5 100 100 100 92.62 100.00 497.62 82.94% Gold 23 Masataka Yoneda Japan 60 100 67 77 92.62 100.00 496.62 82.77% Gold 24 Andrei Efremov Russia 60 100 100 56 80.43 100.00 496.43 82.74% Gold 25 Semen Savkin Russia 49 100 90 100 56.78 100.00 495.78 82.63% Gold 26 Kasra Mazaheri Iran 38 100 100 100 80.43 67.97 486.40 81.07% Gold 27 Almog Wald Israel 49 100 100 42 92.62 100.00 483.62 80.60% Gold 27 Nyamdavaa Amar Mongolia 49 100 100 42 92.62 100.00 483.62 80.60% Gold 29 Ali Safary Iran 60 100 27 100 92.62 100.00 479.62 79.94% Gold 30 Sungjae Im Republic of Korea 44 100 41 100 92.24 100.00 477.24 79.54% Silver 31 Dorijan Lendvaj Croatia 75 100 100 21 80.14 100.00 476.14 79.36% Silver 32 Jiří Kalvoda Czech Republic 32 100 100 42 92.62 100.00 466.62 77.77% Silver 33 Oleh Naver Ukraine 60 100 55 100 80.71 69.04 464.75 77.46% Silver 34 Cheng-Hao Yang Taiwan 49 96 27 100 92.62 100.00 464.62 77.44% Silver 35 Maria Alexa Tudose Romania 19 96 76 77 92.62 100.00 460.62 76.77% Silver 36 Ashley Aragorn Khoo Singapore 32 100 100 42 84.96 100.00 458.96 76.49% Silver 37 Andon Todorov Bulgaria 19 100 55 100 81.00 100.00 455.00 75.83% Silver 38 Andrii Kovryhin Ukraine 19 100 100 56 79.58 100.00 454.58 75.76% Silver 39 Huy Le Quang Vietnam 32 100 100 42 80.43 100.00 454.43 75.74% Silver 40 Sofiia Melnyk Ukraine 49 100 100 42 93.00 65.32 449.32 74.89% Silver 41 Vladyslav Zavodnyk Ukraine 5 100 100 77 56.93 100.00 438.93 73.16% Silver 42 Kien Vu Hoang Vietnam 49 100 100 42 56.64 89.00 436.64 72.77% Silver 43 Evangelos Pipis Greece 14 100 100 42 79.86 100.00 435.86 72.64% Silver 44 Hirotaka Yoneda Japan 60 100 41 77 80.71 67.96 426.67 71.11% Silver 45 Fredrik Ekholm Sweden 14 100 100 42 90.40 75.79 422.19 70.36% Silver 46 Guan-Chen Chen Taiwan 32 100 55 42 92.62 100.00 421.62 70.27% Silver 47 Abolfazl Soltani Iran 100 96 11 21 92.24 100.00 420.24 70.04% Silver 48 Danny Mittal United States of America 19 96 55 100 80.14 65.32 415.46 69.24% Silver 49 Matej Urban Slovakia 25 100 27 100 63.13 100.00 415.13 69.19% Silver 50 Zi Song Yeoh Malaysia 60 100 100 42 10.00 100.00 412.00 68.67% Silver 51 Michał Staniewski Poland 32 100 55 42 80.71 100.00 409.71 68.28% Silver 52 Marco Meijer Netherlands 49 100 67 42 80.43 65.32 403.75 67.29% Silver 53 Temirlan Baibolov Kazakhstan 49 100 53 9 92.62 100.00 403.62 67.27% Silver 54 Noam Licht Israel 5 96 100 42 92.62 67.98 403.60 67.27% Silver 55 Daniel Agassy Israel 27 100 41 42 92.62 100.00 402.62 67.10% Silver 56 George Chen Canada 25 100 53 100 56.64 65.32 399.96 66.66% Silver 57 Mohamed Ehab Egypt 32 100 90 21 56.93 100.00 399.93 66.66% Silver 58 Joël Huber Switzerland 70 100 41 9 79.86 100.00 399.86 66.64% Silver 59 Péter Gyimesi Hungary 19 100 90 42 80.43 65.32 396.75 66.12% Silver 60 Chen-Jui Tsao Taiwan 19 96 55 100 80.43 39.00 389.43 64.91% Silver 61 Ditbul Ban Republic of Korea 32 100 53 21 80.14 100.00 386.14 64.36% Silver 62 Tomohito Hoshii Japan 32 100 27 42 80.71 100.00 381.71 63.62% Silver 63 Davide Bartoli Italy 14 96 25 100 80.43 65.32 380.75 63.46% Silver 64 Mieszko Grodzicki Poland 49 100 41 9 80.43 100.00 379.43 63.24% Silver 65 Emil Kostanyan Armenia 32 100 55 42 80.43 67.95 377.38 62.90% Silver 66 Adam Górkiewicz Poland 5 96 100 100 0.00 76.00 377.00 62.83% Silver 67 Alexandra Maria Udriștoiu Romania 19 100 55 21 80.14 100.00 375.14 62.52% Silver 68 Martin Kopchev Bulgaria 5 100 27 100 74.83 67.96 374.79 62.47% Silver 69 Tunan Shi Australia 19 100 41 21 92.62 100.00 373.62 62.27% Silver 70 Balázs Tóth Hungary 30 100 41 42 92.62 67.97 373.59 62.27% Silver 71 Krešimir Nežmah Croatia 44 100 25 9 92.62 100.00 370.62 61.77% Silver 72 Oscar Jocqué Belgium 19 96 11 42 92.24 100.00 360.24 60.04% Silver 73 Rajarshi Basu India 19 96 55 9 80.14 100.00 359.14 59.86% Silver 74 Udit Sanghi India 5 96 90 9 92.62 65.32 357.94 59.66% Silver 75 Daniel Zhenghao Choo Singapore 44 100 11 77 25.00 100.00 357.00 59.50% Silver * Shen Xing Yang Singapore 2 5 100 27 100 25.00 100.00 357.00 59.50% Silver 76 Samvel Andreasyan Armenia 5 96 67 42 79.86 65.32 355.18 59.20% Silver 77 Benson Zhan Li Lin Singapore 44 100 41 9 92.62 67.96 354.58 59.10% Silver 78 Georgi Petkov Bulgaria 27 96 67 42 57.07 65.32 354.39 59.06% Silver 79 Nándor Nagy Hungary 0 100 53 21 80.14 100.00 354.14 59.02% Silver 80 Jozef Fülöp Slovakia 44 96 11 42 56.78 100.00 349.78 58.30% Silver 81 Áron Noszály Hungary 19 100 41 21 80.43 86.87 348.30 58.05% Silver 82 Egor Lifar Russia 5 100 41 77 25.00 100.00 348.00 58.00% Silver 83 Chris Trevisan Canada 49 96 41 21 73.62 65.32 345.94 57.66% Silver 84 Rama Aryasuta Pangestu Indonesia 0 100 11 42 92.62 100.00 345.62 57.60% Silver 85 Andrei Mishchanka Belarus 14 100 41 100 25.00 65.32 345.32 57.55% Silver 86 Archil Basadzishvili Georgia 19 100 55 42 56.78 65.32 338.10 56.35% Silver 87 Tomasz Nowak Poland 5 100 41 9 80.14 100.00 335.14 55.86% Bronze 88 Arayi Khalatyan Armenia 19 100 27 42 78.75 65.32 332.07 55.34% Bronze * Lim Rui Yuan Singapore 2 14 96 55 21 80.43 65.32 331.75 55.29% Bronze 89 Tan Si Jie Singapore 19 100 11 9 92.62 100.00 331.62 55.27% Bronze 90 Tasmeem Reza Bangladesh 0 100 76 42 10.00 100.00 328.00 54.67% Bronze 91 Euan Ong United Kingdom 0 96 41 9 80.43 100.00 326.43 54.41% Bronze 91 Khaleel Al-Adhami Jordan 25 100 11 21 80.43 89.00 326.43 54.41% Bronze 91 Rokas Urbonas Lithuania 0 96 41 9 80.43 100.00 326.43 54.41% Bronze 94 Aleksandr Abelyan Armenia 0 100 0 42 80.71 100.00 322.71 53.78% Bronze 95 Jovan Bengin Serbia 49 96 11 42 56.64 65.32 319.96 53.33% Bronze * Daniel Toh Jing En Singapore 2 5 100 55 12 79.86 67.97 319.83 53.30% Bronze 96 Ivan Solovyev New Zealand 0 96 41 0 80.43 100.00 317.43 52.91% Bronze 97 Charalampos Georgiou Cyprus 27 100 11 21 92.62 65.32 316.94 52.82% Bronze 98 Yaraslau Barysau Belarus 5 96 27 42 80.14 65.32 315.46 52.58% Bronze 99 Roope Salmi Finland 5 96 25 9 80.14 100.00 315.14 52.52% Bronze 100 Dan Baterisna Philippines 19 100 27 12 56.93 100.00 314.93 52.49% Bronze 101 Dion Stephan Ong Philippines 5 100 55 9 79.86 65.32 314.18 52.36% Bronze 102 Quang Ong Australia 0 100 11 21 80.43 100.00 312.43 52.07% Bronze 103 Shashwat Chandra India 32 100 11 21 79.86 67.87 311.73 51.95% Bronze 104 Gustav Kalander Sweden 0 100 53 0 92.62 65.34 310.96 51.83% Bronze 105 Aldas Lenkšas Lithuania 5 96 27 0 80.71 100.00 308.71 51.45% Bronze 106 Martin Josip Kocijan Croatia 5 100 11 0 92.24 100.00 308.24 51.37% Bronze 107 Ka Hei Wai Hong Kong 5 96 100 42 25.00 39.00 307.00 51.17% Bronze 108 Dovydas Vadišius Lithuania 0 96 41 21 80.43 67.96 306.39 51.06% Bronze 109 Andi Qu South Africa 5 96 41 42 56.78 65.32 306.10 51.02% Bronze 110 Mohamed Bakry Egypt 49 100 11 21 25.00 100.00 306.00 51.00% Bronze 111 Edbert Geraldy Cangdinata Indonesia 0 100 27 21 56.93 100.00 304.93 50.82% Bronze 112 Benjamin Bajd Slovenia 32 100 11 42 53.68 65.32 304.00 50.67% Bronze 112 Rémy Kimbrough France 25 100 27 42 10.00 100.00 304.00 50.67% Bronze 114 Aziz Huseynov Azerbaijan 5 100 41 12 80.43 65.32 303.75 50.62% Bronze 115 Blagojche Pavleski Macedonia 19 96 11 21 56.22 100.00 303.22 50.54% Bronze 116 Aron Thomas United Kingdom 5 96 11 9 80.43 100.00 301.43 50.24% Bronze 117 Javier Nistal Salas Spain 19 100 55 21 92.62 13.00 300.62 50.10% Bronze 118 Junhua Chen Australia 19 96 27 9 80.14 67.95 299.09 49.85% Bronze 119 Sirawit Pongnakintr Thailand 0 100 41 9 80.71 67.97 298.68 49.78% Bronze 120 Rezwan Arefin Bangladesh 5 100 27 42 56.64 65.32 295.96 49.33% Bronze 121 Pavel Sankin Belarus 5 96 27 21 56.93 89.00 294.93 49.16% Bronze 122 Luka Mushkudiani Georgia 19 100 11 21 56.78 86.36 294.14 49.02% Bronze 123 James Tan United Kingdom 19 96 11 21 80.71 65.33 293.04 48.84% Bronze 124 Mateja Vukelić Serbia 49 100 11 42 25.00 65.32 292.32 48.72% Bronze 125 Marc Strufe Germany 5 96 27 42 56.78 65.32 292.10 48.68%