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Problem 612. Friend numbers
October 22, 2017
Afghanistan
Åland Islands
Albania
Algeria
American Samoa
Andorra
Angola
Anguilla
Antarctica
Antigua and Barbuda
Argentina
Armenia
Aruba
Australia
Austria
Azerbaijan
Bahamas
Bahrain
Bangladesh
Barbados
Belarus
Belgium
Belize
Benin
Bermuda
Bhutan
Bolivia
Bonaire, Sint Eustatius and Saba
Bosnia and Herzegovina
Botswana
Bouvet Island
Brazil
British Antarctic Territory
British Indian Ocean Territory
Brunei
Bulgaria
Burkina Faso
Burma
Burundi
Byelorussian SSR Soviet Socialist Republic
Cabo Verde
Cambodia
Cameroon
Canada
Canton and Enderbury Islands
Cayman Islands
Central African Republic
Chad
Chile
China
Christmas Island
Cocos (Keeling) Islands
Colombia
Comoros
Congo
Congo (the Democratic Republic of the)
Cook Islands
Costa Rica
Côte d'Ivoire
Croatia
Cuba
Curaçao
Cyprus
Czech Republic
Czechoslovakia
Dahomey
Democratic
Denmark
Djibouti
Dominica
Dominican Republic
Dronning Maud Land
East Timor
Ecuador
Egypt
El Salvador
Equatorial Guinea
Eritrea
Estonia
Eswatini
Ethiopia
Falkland Islands (Malvinas)
Faroe Islands
Fiji
Finland
France
French Afars and Issas
French Guiana
French Polynesia
French Southern Territories
French Southern and Antarctic Territories
Gabon
Gambia
Georgia
German Democratic Republic
Germany
Ghana
Gibraltar
Gilbert and Ellice Islands
Greece
Greenland
Grenada
Guadeloupe
Guam
Guatemala
Guernsey
Guinea
Guinea-Bissau
Guyana
Haiti
Heard Island and McDonald Islands
Holy See
Honduras
Hong Kong
Hungary
Iceland
India
Indonesia
Iran
Iraq
Ireland
Isle of Man
Israel
Italy
Jamaica
Japan
Jersey
Johnston Island
Jordan
Kazakhstan
Kenya
Kiribati
Kuwait
Kyrgyzstan
Laos
Latvia
Lebanon
Lesotho
Liberia
Libya
Liechtenstein
Lithuania
Luxembourg
Macao
Macedonia
Madagascar
Malawi
Malaysia
Maldives
Mali
Malta
Marshall Islands
Martinique
Mauritania
Mauritius
Mayotte
Metropolitan
Mexico
Micronesia (Federated States of)
Midway Islands
Moldova
Monaco
Mongolia
Montenegro
Montserrat
Morocco
Mozambique
Myanmar
Namibia
Nauru
Nepal
Netherlands
Netherlands Antilles
Neutral Zone
New Caledonia
New Hebrides
New Zealand
Nicaragua
Niger
Nigeria
Niue
Norfolk Island
North Korea
Northern Mariana Islands
Norway
Oman
Pacific Islands (trust territory)
Pakistan
Palau
Palestine
Panama
Panama Canal Zone
Papua New Guinea
Paraguay
Peru
Philippines
Pitcairn
Poland
Portugal
Puerto Rico
Qatar
Réunion
Romania
Russia
Rwanda
Saint Barthélemy
Saint Helena, Ascension and Tristan da Cunha
Saint Kitts and Nevis
Saint Lucia
Saint Martin (French part)
Saint Pierre and Miquelon
Saint Vincent and the Grenadines
Samoa
San Marino
Sao Tome and Principe
Saudi Arabia
Senegal
Serbia
Serbia and Montenegro
Seychelles
Sierra Leone
Sikkim
Singapore
Sint Maarten (Dutch part)
Slovakia
Slovenia
Solomon Islands
Somalia
South Africa
South Georgia and the South Sandwich Islands
South Korea
South Sudan
Southern Rhodesia
Soviet Union
Spain
Sri Lanka
Sudan
Suriname
Svalbard and Jan Mayen
Sweden
Switzerland
Syria
Taiwan
Tajikistan
Tanzania
Thailand
Timor-Leste
Togo
Tokelau
Tonga
Trinidad and Tobago
Tunisia
Turkey
Turkmenistan
Turks and Caicos Islands
Tuvalu
US Miscellaneous Pacific Islands
Uganda
Ukraine
United Arab Emirates
United Kingdom
United States of America
Upper Volta
Uruguay
Uzbekistan
Vanuatu
Venezuela
Viet-Nam
Vietnam
Virgin Islands (British)
Virgin Islands (U.S.)
Wake Island
Wallis and Futuna
Western Sahara
Yemen
Yugoslavia
Zaire
Zambia
Zimbabwe
language
updated
1 year, 1 month ago
Rank
Handle
Score
Penalty
Language
Friend nu…
71 (1)
frederik.soete
1
13 hours 49 minutes
Python
Problem 612. Friend numbers
Codeforces
