30th INTERNATIONAL OLYMPIAD IN INFORMATICS - IOI 2018
30. MEĐUNARODNA INFORMATIČKA OLIMPIJADA 2018
Tsukuba, Japan, od 1. do 8. rujna 2018.
| Rank | Country | Score | Contestants |
| 1 | China | 1707 | Maolong Yang (469) | Zhenting Zhu (466) | Jianglun Chen (428) | Xuandi Ren (344) |
| 2 | USA | 1491 | Benjamin Qi (499) | Eric Zhang (397) | Spencer Compton (369) | William Hu (226) |
| 3 | South Korea | 1390 | Younghun Roh (373) | Taekyu Kang (362) | Sebin Kim (360) | Gyojun Youn (295) |
| 4 | Belarus | 1385 | Aliaksandr Kernazhytski (430) | Andrei Nekrashevich (359) | Stanislau Tsitsianok (302) | Mark Karneichyk (294) |
| 5 | Russia | 1356 | Ramazan Rakhmatullin (383) | Vladimir Romanov (353) | Mikhail Anoprenko (326) | Egor Lifar (294) |
| 6 | Japan 2 | 1246 | Masataka Yoneda (362) | Hirotaka Yoneda (320) | Yasutaka Hiraki (305) | Riku Kishida (259) |
| 7 | Canada | 1222 | Linhan Yu (336) | Victor Rong (310) | Zixiang Zhou (289) | Ava Pun (287) |
| 8 | Japan | 1216 | Wataru Inoue (428) | Hiroaki Hosokawa (291) | Ikumi Shimizu (264) | Koichi Namekata (233) |
| 9 | Poland | 1204 | Mariusz Trela (347) | Anadi Agrawal (336) | Kacper Kluk (287) | Dawid Jamka (234) |
| 10 | Romania | 1199 | Alex Tatomir (326) | Tiberiu-Ioan Mușat (322) | Ștefan Constantin-Buliga (291) | Costin-Andrei Oncescu (260) |
| 11 | Taiwan | 1186 | Shih-Yu Wang (308) | Dao-Yun Peng (297) | Kuan-Yu Chen (294) | Wei-Han Chen (287) |
| 12 | Singapore | 1183 | Gabriel Kheng Lin Goh (353) | Jacob Por Loong Teo (316) | Jeffrey Chun Hean Lee (295) | Hua Jun Teow (219) |
| 13 | France | 1176 | Théophane Vallaeys (334) | Etienne Rossignol (323) | Victor Deng (260) | Arthur Léonard (259) |
| 14 | Georgia | 1173 | Nikoloz Birkadze (463) | Giorgi Kldiashvili (365) | Aleksandre Khokhiashvili (185) | Vano Gamezardashvili (160) |
| 15 | Ukraine | 1171 | Daniil Smelskyi (336) | Nazarii Denha (316) | Sofiia Melnyk (280) | Adalbert Makarovych (239) |
| 16 | Iran | 1158 | Mohammad Mahdavi (336) | Keivan Rezaei (294) | Mehrdad Saberi Kamarposhti (280) | SeyedMehdi SadeghShobeiri (248) |
| 17 | Vietnam | 1156 | Duc Thang Pham (390) | Xuan Nhat Hoang (325) | Hoang Hai Minh Nguyen (225) | Khanh Nguyen (216) |
| 18 | Indonesia | 1147 | Steven Wijaya (326) | Abdul Malik Nurrokhman (319) | Ahmad Haulian Yoga Pratama (272) | Muhammad Salman Al Farisi (230) |
| 19 | Turkey | 1093 | Atacan İyidoğan (404) | Caner Demirer (256) | Mehmet Hamza Erol (232) | Yusuf Kılıçarslan (201) |
| 20 | Australia | 1091 | Jerry Mao (333) | Albert Smith (330) | Angus Ritossa (326) | Jacob Smith (102) |
| 21 | Israel | 1083 | Nir Shalmon (367) | Roee Sinai (308) | Noam Gutterman (244) | Idan Izmirli (164) |
| 22 | Bulgaria | 1011 | Aleksandar Krastev (343) | Radoslav Dimitrov (250) | Martin Kopchev (217) | Viktor Terziev (201) |
| 23 | Thailand | 995 | Sanchayapol Lewgasamsarn (273) | Thanadol Chomphoochan (265) | Jirayu Burapacheep (236) | Milin Kodnongbua (221) |
| 24 | Lithuania | 985 | Tautvydas Jasiūnas (314) | Martynas Sinkievič (304) | Gediminas Lelešius (263) | Rokas Urbonas (104) |
| 25 | Croatia | 984 | Josip Klepec (296) | Paula Vidas (287) | Leonard Inkret (232) | Dominik Fistric (169) |
| 26 | Sweden | 982 | Fredrik Ekholm (324) | Björn Magnusson (300) | Hugo Eberhard (196) | Erik Amirell Eklöf (162) |
| 27 | Italy | 975 | Federico Stazi (265) | Fabio Pruneri (252) | Luca Cavalleri (244) | Andrea Ciprietti (214) |
| 28 | Hungary | 968 | Attila Gáspár (305) | Zoltán Gábor Molnár-Sáska (254) | Orsolya Janzer (205) | Áron Noszály (204) |
| 29 | Kazakhstan | 957 | Daniyar Zakarin (303) | Nurbakyt Madibek (262) | Sanzhar Bidaibek (203) | Nurlykhan Kairly (189) |
| 30 | Serbia | 943 | Pavle Martinović (303) | Tadija Šebez (250) | Aleksa Milisavljević (218) | Aleksa Milojević (172) |
| 31 | Hong Kong | 932 | Rahul Arya (273) | Lok Kan Yuen (271) | Harris Leung (215) | Long Huen Chan (173) |
| 32 | Greece | 911 | Charilaos Pipis (273) | Anastasios Panagopoulos (259) | Evangelos Pipis (242) | Dimitrios Rontogiannis (137) |
| 33 | United Kingdom | 904 | Shaun Marshall (288) | Basim Khajwal (219) | Harvey Yau (216) | Fox Thomson (181) |
| 34 | Slovakia | 889 | Martin Melicher (255) | Ondrej Baranovič (242) | Paulína Smolárová (240) | Jozef Fülöp (152) |
| 35 | Germany | 871 | Tobias Schindler (287) | Erik Sünderhauf (217) | Florian Jüngermann (213) | Janine Lohse (154) |
| 36 | Bangladesh | 860 | Tasmeem Reza (303) | Rezwan Arefin (205) | Mamnoon Siam (183) | Ruhan Habib (169) |
| 37 | Latvia | 860 | Roberts Svarinskis (266) | Renāts Jurševskis (203) | Eduards Gaņkins (199) | Iļja Čaikovskis (192) |
| 38 | Czech Republic | 825 | Josef Minařík (269) | Pavel Hudec (244) | Michal Jireš (220) | Martin Kurečka (92) |
| 39 | Macedonia | 808 | Vladimir Maksimovski (314) | Andrej Velichkovski (200) | Martin Dinev (175) | Filip Mihov (119) |
| 40 | Estonia | 807 | Martin Širokov (270) | Richard Luhtaru (244) | Toomas Tennisberg (206) | Andres Alumets (87) |
| 41 | Chile | 773 | Willem Stuijt (248) | Daniel Báez (204) | Ignacio Muñoz (167) | Luciano Massa (154) |
| 42 | Netherlands | 771 | Arend Mellendijk (262) | Ernest Van Wijland (216) | Reijer van Harten (173) | Robert Koprinkov (120) |
| 43 | Argentina | 770 | Carlos Miguel Soto (336) | Lautaro Lasorsa (196) | Laura Massaccesi (184) | Sebastián Mestre (54) |
| 44 | Moldova | 734 | Gabriel Cojocaru (256) | Alexandru Rudi (256) | Corneliu Pașa (141) | Claudiu Babin (81) |
| 45 | Syria | 724 | Mohamad Dwik (230) | Ahmad Haidar (217) | Tamer Emad (152) | Murhaf Alawir (125) |
| 46 | Brazil | 711 | Gabriel Silva Simões (290) | Ivan Carvalho (182) | Matheus Leal Viana (152) | João Guilherme Madeira Araújo (87) |
| 47 | Slovenia | 684 | Gregor Kikelj (226) | Urban Duh (174) | Tim Poštuvan (171) | Tevž Lotrič (113) |
| 48 | Malaysia | 662 | Zi Song Yeoh (367) | Jia Jun Lee (106) | Jia Qing Tan (97) | Wei Xin Tan (92) |
| 49 | Mongolia | 659 | Tenuun Olonbaatar (253) | Tugsgerel Lkhagvasuren (156) | Batmend Batsaikhan (153) | Nyamdavaa Amar (97) |
| 50 | Spain | 659 | Alexander Vidal Zhukova (213) | Felix Moreno Peñarrubia (187) | Javier López-Contreras González (157) | Max Balsells I Pamies (102) |
| 51 | Philippines | 647 | Dan Alden Baterisna (292) | Carl Joshua Quines (173) | Franz Louis Cesista (136) | Andrew James Ting (46) |
| 52 | Norway | 631 | Håvard Rognebakke Krogstie (230) | Birk Tjelmeland (205) | Ole Marius Strøhm (109) | Jon-Magnus Rosenblad (87) |
| 53 | Mexico | 609 | Diego García Rodríguez del Campo (233) | Julián Rodríguez Cárdenas (156) | José Ángel Cázares Torres (139) | Héctor Fernando Ricárdez Lara (81) |
| 54 | Egypt | 606 | Mohamed Ehab (228) | Mahmoud Adel (147) | Mahmoud Badawy (125) | Mohamed Otefi (106) |
| 55 | Jordan | 599 | Mohammad Alkilani (255) | Muhannad Alwarawreh (179) | Khaleel Al-Adhami (85) | Ahmad Naser (80) |
| 56 | Belgium | 557 | Arthur Massar (181) | Bruno Ploumhans (146) | Oscar Jocqué (116) | Sebastian Weiermann (114) |
| 57 | Portugal | 538 | Kevin Pucci (284) | David Nassauer (112) | André Guimarães (74) | Diogo Rodrigues (68) |
| 58 | Switzerland | 531 | Nicolas Camenisch (209) | Bibin Muttappillil (164) | Valentin Imbach (115) | Elias Boschung (43) |
| 59 | Finland | 520 | Juha Harviainen (293) | Roope Salmi (103) | Siiri Kuoppala (64) | Santeri Toivonen (60) |
| 60 | Cuba | 517 | David García Aguilera (294) | Brayan Duran Medina (147) | Karel Díaz Vergara (76) |
| 61 | Austria | 506 | Robin Gugel (172) | Niklas Hauber (165) | Otto Winter (153) | Markus Walder (16) |
| 62 | South Africa | 492 | Mohammed Taariq Mowzer (169) | Ralph McDougall (150) | Tian Cilliers (128) | Emile Tredoux (45) |
| 63 | Denmark | 462 | Christian Bertram (160) | David Rasmussen Lolck (143) | Alexander Skovsende (122) | Oliver Stenberg Jakobsen (37) |
| 64 | Bosnia and Herzegovina | 460 | Muamer Parić (148) | Drago Šmitran (146) | Vladan Cvjetkovic (112) | Stevo Mitrić (54) |
| 65 | Kyrgyzstan | 458 | Omurbek Dzhamalov (159) | Akbarzhon Madaminov (152) | Talantbek Zhenishbek uulu (87) | Shabdan Batyrkulov (60) |
| 66 | Azerbaijan | 454 | Abutalib Namazov (178) | Ziya Mukhtarov (154) | Rafail Saddatimov (62) | Murad Eynizada (60) |
| 67 | Armenia | 450 | Vahan Martirosyan (170) | Aleksandr Abelyan (147) | Alen Adamyan (75) | Gagik Magakyan (58) |
| 68 | Tajikistan | 423 | Farkhod Khakimiyon (284) | Khusrav Ashurzoda (64) | Davlatkhodzha Magzumov (45) | Akmal Mamadshoev (30) |
| 69 | Ireland | 414 | Kieran Horgan (204) | John Ryan (119) | Oisín O'Duibhir (46) | Caolan Fleming (45) |
| 70 | Cyprus | 375 | Charalampos Georgiou (176) | Angelos Assos (132) | Evripidis Papaevripidis (52) | Andreas Kalavas (15) |
| 71 | India | 356 | Adhyyan Sekhsaria (162) | Ramchandra Kishor Apte (110) | Mohammad Zaid (53) | Choudhury Istasis Mishra (31) |
| 72 | Tunisia | 348 | Nader Jemel (209) | Rafik Hachana (55) | Aya Ben Saad (52) | Omar Besbes (32) |
| 73 | Uzbekistan | 270 | Asadullo Ganiev (126) | Ilnur Baykov (62) | Behruz Azam (52) | Shokhrukhbek Mamadaliev (30) |
| 74 | Colombia | 265 | Roger Trujillo (147) | Oscar Sierra (61) | Cesar Diaz (36) | Nicolas Galindo (21) |
| 75 | Turkmenistan | 220 | Kerim Kochekov (220) |
| 76 | Luxembourg | 217 | Stanislas BRIAUD (99) | Pascal GINTER (60) | Jarod DIFFERDANGE (48) | Raffaël MARTH (10) |
| 77 | Macao | 177 | Iat Long Iong (109) | Guohao Ou (60) | Wai Seng Kou (6) | Fu Yu Lin (2) |
| 78 | New Zealand | 177 | Zhi Qi (64) | Maayan Levy (52) | Ivan Solovyev (47) | Ryan King (14) |
| 79 | Bolivia | 149 | Pablo Miguel Delgado Borda (62) | Luis Javier Quispe Ramirez (47) | Marcelo Leonardo Flores Zeballos (30) | Roger Danilo Enriquez Corrales (10) |
| 80 | Montenegro | 116 | Kosta Vukicevic (106) | Filip Radovic (10) |
| 81 | Palestine | 102 | Akram Sbaih (102) | Mohammed Natour (0) | Arees' Noubani (0) |
| 82 | Morocco | 98 | Anouar Achghaf (69) | Houssam Hanafi (14) | Anass Choukri (10) | Bilal Elbouardi (5) |
| 83 | Sri Lanka | 88 | Shenal Kotuwewatta (43) | Sithija Kotuwewatta (35) | Hashan Rajapaksha (10) | Ashan Rathnaweera (0) |
| 84 | Dominican Republic | 86 | Paul Anthony Ramirez Cabrera (30) | Viktor Alexandrovich Rozenko Voitenko (30) | Carlos Bienvenido Ogando MontÁs (14) | Arturo Aurelio Hernandez Rodriguez (12) |
| 85 | El Salvador | 73 | Manuel Vides (37) | José Ramirez (14) | José Santamaría (12) | Darwin Piche (10) |
| 86 | Iceland | 65 | Gamithra Marga (34) | Bjarni Dagur Thor Kárason (31) |
| 87 | Nigeria | 10 | Elyon Osariemwen Nosa -Aifesehi (10) | Glory OluwaTimilehin Akinbile (0) | Joel Chibueze Ndoh (0) |
| 88 | Venezuela | 5 | Ana Paula De Sousa Martin (5) |