IChO 2022 problems

Explanation of the Examination



 IChO2022_Questions_and_MarkingSchemes.pdf

IDNations and RegionsCodeTheoretical problems
1AfghanistanAFGAFG-1AFG-2AFG-3AFG-4
2United Arab EmiratesAREARE-1ARE-2ARE-3ARE-4
3ArgentinaARGARG-1ARG-2ARG-3ARG-4
4ArmeniaARMARM-1ARM-2ARM-3ARM-4
5AustraliaAUSAUS-1AUS-2AUS-3AUS-4
6AustriaAUTAUT-1AUT-2AUT-3AUT-4
7AzerbaijanAZEAZE-1AZE-2AZE-3AZE-4
8BelgiumBELBEL-1BEL-2BEL-3BEL-4
9BangladeshBGDBGD-1BGD-2BGD-3BGD-4
10BulgariaBGRBGR-1BGR-2BGR-3BGR-4
11BrazilBRABRA-1BRA-2BRA-3BRA-4
12CanadaCANCAN-1CAN-2CAN-3CAN-4
13SwitzerlandCHECHE-1CHE-2CHE-3CHE-4
14ChinaCHNCHN-1CHN-2CHN-3CHN-4
15Costa RicaCRICRI-1CRI-2CRI-3CRI-4
16CubaCUBCUB-1CUB-2CUB-3CUB-4
17CyprusCYPCYP-1CYP-2CYP-3CYP-4
18Czech RepublicCZECZE-1CZE-2CZE-3CZE-4
19GermanyDEUDEU-1DEU-2DEU-3DEU-4
20DenmarkDNKDNK-1DNK-2DNK-3DNK-4
21EcuadorECUECU-1ECU-2ECU-3
22SpainESPESP-1ESP-2ESP-3ESP-4
23EstoniaESTEST-1EST-2EST-3EST-4
24FinlandFINFIN-1FIN-2FIN-3FIN-4
25FranceFRAFRA-1FRA-2FRA-3FRA-4
26United KingdomGBRGBR-1GBR-2GBR-3GBR-4
27GeorgiaGEOGEO-1GEO-2EO-3GEO-4
28GreeceGRCGRC-1GRC-2GRC-3GRC-4
29HungaryHUNHUN-1HUN-2HUN-3HUN-4
30IndonesiaIDNIDN-1IDN-2IDN-3IDN-4
31IndiaINDIND-1IND-2IND-3IND-4
32IrelandIRLIRL-1IRL-2IRL-3IRL-4
33IranIRNIRN-1IRN-2IRN-3IRN-4
34IcelandISLISL-1ISL-2ISL-3ISL-4
35IsraelISRISR-1ISR-2ISR-3ISR-4
36JapanJPNJPN-1JPN-2JPN-3JPN-4
37KazakhstanKAZKAZ-1KAZ-2KAZ-3KAZ-4
38KyrgyzstanKGZKGZ-1KGZ-2KGZ-3KGZ-4
39KoreaKORKOR-1KOR-2KOR-3KOR-4
40Sri LankaLKALKA-1LKA-2LKA-3LKA-4
41LithuaniaLTULTU-1LTU-2LTU-3LTU-4
42LuxembourgLUXLUX-1LUX-2LUX-3LUX-4
43LatviaLVALVA-1LVA-2LVA-3LVA-4
44MoldovaMDAMDA-1MDA-2MDA-3MDA-4
45MexicoMEXMEX-1MEX-2MEX-3MEX-4
46North MacedoniaMKDMKD-1MKD-2MKD-3
47MontenegroMNEMNE-1MNE-2MNE-3MNE-4
48MongoliaMNGMNG-1MNG-2MNG-3MNG-4
49MalaysiaMYSMYS-1MYS-2MYS-3MYS-4
50NigeriaNGANGA-1NGA-2NGA-3NGA-4
51NetherlandsNLDNLD-1NLD-2NLD-3NLD-4
52NorwayNORNOR-1NOR-2NOR-3NOR-4
53NepalNPLNPL-1NPL-2NPL-3NPL-4
54New ZealandNZLNZL-1NZL-2NZL-3NZL-4
56OmanOMNOMN-1OMN-2OMN-3OMN-4
57PakistanPAKPAK-1PAK-2PAK-3PAK-4
58PeruPERPER-1PER-2PER-3PER-4
59PhilippinesPHLPHL-1PHL-2PHL-3PHL-4
60PolandPOLPOL-1POL-2POL-3POL-4
61PortugalPRTPRT-1PRT-2PRT-3PRT-4
62ParaguayPRYPRY-1PRY-2
63QatarQATQAT-1QAT-2QAT-3QAT-4
64Student team
Student-1Student-2Student-3Student-4
65RomaniaROUROU-1ROU-2ROU-3ROU-4
66Saudi ArabiaSAUSAU-1SAU-2SAU-3SAU-4
67SingaporeSGPSGP-1SGP-2SGP-3SGP-4
68El SalvadorSLVSLV-1SLV-2SLV-3SLV-4
69SerbiaSRBSRB-1SRB-2SRB-3SRB-4
70SlovakiaSVKSVK-1SVK-2SVK-3SVK-4
71SloveniaSVNSVN-1SVN-2SVN-3SVN-4
72SwedenSWESWE-1SWE-2SWE-3SWE-4
73SyriaSYRSYR-1SYR-2SYR-3SYR-4
74ThailandTHATHA-1THA-2THA-3THA-4
75TajikistanTJKTJK-1TJK-2TJK-3TJK-4
76TurkmenistanTKMTKM-1TKM-2TKM-3TKM-4
77Chinese Taipei
ChineseTaipei-1ChineseTaipei-2ChineseTaipei-3ChineseTaipei-4
78TurkeyTURTUR-1TUR-2TUR-3TUR-4
79UkraineUKRUKR-1UKR-2UKR-3UKR-4
80UruguayURYURY-1URY-2URY-3
81United States of AmericaUSAUSA-1USA-2USA-3USA-4
82UzbekistanUZBUZB-1UZB-2UZB-3UZB-4
83VenezuelaVENVEN-1
84VietnamVNMVNM-1VNM-2VNM-3VNM-4
85South AfricaZAFZAF-1ZAF-2