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Problem set. Mathematical Problems


IDTitleSourceAuthorsDifficulty

1011ConductorsUSU Championship 19976270246

1014Product of DigitsUSU Local Contest. 19991644894

1024PermutationsAutumn School Contest 20004838317

1041NikiforUSU Championship 20002984931

1047Simple CalculationsUSU Local Contest. March 20005005299

1053PinocchioNEERC 2000 Central Subregional4417338

1055CombinationsNEERC 2000 Central Subregional3583417

1066GarlandNEERC 20002462573

1098Questions2218551

1142RelationsDSAP Vietnam Online Contest November 20013239153

1174Weird PermutationsRomanian Online Contest December 2001684717

1200Horns and HoofsUSU Local Contest. March 20021943256

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20024043123

12091, 10, 100, 1000...Autumn School Contest 20021463334

1217Unlucky TicketsUSU Championship 20021219409

1222Chernobyl’ EaglesUSU Championship 20023530142

1233Amusing NumbersNEERC 2002534926

1247Check a SequenceUSU Personal Contest 20032098240

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031802279

1259How to Become Star?Autumn School Contest 20031281394

1266Kirchhoff's LawUSU Championship 20033401455

1275Knights of the Round TableNEERC 2003 Central Subregional2042380

1283DwarfUSU Personal Contest 20044380116

1289One Way TicketUSU Personal Contest 20041270399

1292Mars Space StationsSpring School Contest 20041343378

1295Crazy NotionsSpring School Contest 20043391150

1321Floor IndicatorUral Championship 2004. Round 23691351

1335White ThesisAutumn School Contest 20042839181

1336Problem of Ben BetsalelAutumn School Contest 20044221122

1349FarmSpring School Contest 20051020851

1360Philosophical DisputeUral Championship 2005. Round 23951277

1366PresentsUral Championship 2005. Round 2972527

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest2103245

1402CocktailsAutumn School Contest 20054011129

1417Space Poker 2USU Championship 20052551951

1420Integer-Valued Complex DivisionUSU Championship 20052641887

1428Jedi RiddleTimus Top Coders: First Challenge1006498

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest3861232

1503PolynomialNEERC 2006 Eastern Subregional2661740

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1452898

1582BookmakersNEERC 2007 Eastern Subregional3673121

1591Abstract ThinkingNEERC 2007 Eastern Subregional4091065

1605Devil's SequenceUSU Personal Contest 2008704609

1633HippogriffsUSU Championship 2008532766

1661DodecahedronPetrozavodsk Winter 2008. USU Contest983787

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest3041303

2125Continue the SequencePetrozavodsk Summer 2018. umnik_team Contest333343

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest283783

2138The Good, the Bad and the UglyUral School Programming Contest 20191278104

2145Olympiad for EveryoneUral School Programming Contest 2019360363

2158Two progressionsUral School Programming Contest 2021251649

2171Two Progressions 2Ural School Programming Contest 2022311409

2177Vadim and Sudoku: XV-PairsUral School Programming Contest 202342098

2191Piecewise Linear FunctionsICPC Ural Regional Contest Qualifier 202251950