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Problem set. Mathematical Problems


IDTitleSourceAuthorsDifficulty

1011ConductorsUSU Championship 19976370248

1014Product of DigitsUSU Local Contest. 19991680494

1024PermutationsAutumn School Contest 20004888321

1041NikiforUSU Championship 20003284601

1047Simple CalculationsUSU Local Contest. March 20005049304

1053PinocchioNEERC 2000 Central Subregional4459343

1055CombinationsNEERC 2000 Central Subregional3614423

1066GarlandNEERC 20002485581

1098Questions2253555

1142RelationsDSAP Vietnam Online Contest November 20013280155

1174Weird PermutationsRomanian Online Contest December 2001703714

1200Horns and HoofsUSU Local Contest. March 20021981256

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20024100124

12091, 10, 100, 1000...Autumn School Contest 20021504234

1217Unlucky TicketsUSU Championship 20021252408

1222Chernobyl’ EaglesUSU Championship 20023564144

1233Amusing NumbersNEERC 2002559905

1247Check a SequenceUSU Personal Contest 20032134241

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031823282

1259How to Become Star?Autumn School Contest 20031301397

1266Kirchhoff's LawUSU Championship 20033591410

1275Knights of the Round TableNEERC 2003 Central Subregional2182284

1283DwarfUSU Personal Contest 20044511116

1289One Way TicketUSU Personal Contest 20041303398

1292Mars Space StationsSpring School Contest 20041367380

1295Crazy NotionsSpring School Contest 20043443151

1321Floor IndicatorUral Championship 2004. Round 23761355

1335White ThesisAutumn School Contest 20042874182

1336Problem of Ben BetsalelAutumn School Contest 20044273123

1349FarmSpring School Contest 20051038051

1360Philosophical DisputeUral Championship 2005. Round 24031279

1366PresentsUral Championship 2005. Round 21000523

1385Interesting NumberPetrozavodsk Summer 2005. MSU+USU Contest2135247

1402CocktailsAutumn School Contest 20054059130

1417Space Poker 2USU Championship 20052671906

1420Integer-Valued Complex DivisionUSU Championship 20052841796

1428Jedi RiddleTimus Top Coders: First Challenge1029498

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest4011216

1503PolynomialNEERC 2006 Eastern Subregional2771715

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1502887

1582BookmakersNEERC 2007 Eastern Subregional3725123

1591Abstract ThinkingNEERC 2007 Eastern Subregional4301043

1605Devil's SequenceUSU Personal Contest 2008724610

1633HippogriffsUSU Championship 2008562749

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1063643

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest3211277

2125Continue the SequencePetrozavodsk Summer 2018. umnik_team contest433083

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team contest373477

2138The Good, the Bad and the UglyUral School Programming Contest 20191363112

2145Olympiad for EveryoneUral School Programming Contest 2019397379

2158Two progressionsUral School Programming Contest 2021331845

2171Two Progressions 2Ural School Programming Contest 2022461417

2177Vadim and Sudoku: XV-PairsUral School Programming Contest 2023301290

2191Piecewise Linear FunctionsICPC Ural Regional Contest Qualifier 2022132239

2212PrefossumUniversity-Academy Olympiad 2024141310