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Problem set. Number Theory Problems

Solved problems: show | hide  •  Sort by: id | authors | difficulty

IDTitleSourceAuthorsDifficulty

1049Brave BalloonistsUSU Local Contest. March 20006168249

1086CryptographySpring School Contest 200112995107

1091Tmutarakan ExamsUSU Local Contest. March 20012490527

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001534595

1118Nontrivial NumbersAutumn School Contest 20014901104

1132Square Root927544

1133Fibonacci SequenceNEERC 2001 Central Subregional2255225

1141RSA Attack1393363

1204IdempotentsUSU Local Contest. March 20022213230

1261TipsAutumn School Contest 20031575329

1268Little ChuUSU Championship 2003711724

1286Starship TravelUSU Personal Contest 2004791654

1343Fairy TaleUSU Championship 20041258417

1352Mersenne PrimesSpring School Contest 20053996132

1355Bald Spot RevisitedSpring School Contest 20052479213

1356Something EasierSpring School Contest 20051767298

1430Crime and PunishmentTimus Top Coders: First Challenge1116461

1456Jedi Riddle 2Timus Top Coders: Second Challenge677745

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest717637

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest485936

1593Square Country. Version 2570725

1598DSA Attack643653

1698Square Country 5Petrozavodsk Winter 2009. USU Contest643639

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest1455267

1807Cartridges for MaximNEERC 2010 Eastern Subregional2401481

2047MathsUral Championship 2015521481

2070Interesting NumbersUral Regional School Programming Contest 20151035234

2102Michael and CryptographyUral FU Junior Championship 20161492146

2117Polyphemus' triplesUniversity-Academy Olympiad 2019302538

2124Algebra on SegmentPetrozavodsk Summer 2018. umnik_team contest1171305

2138The Good, the Bad and the UglyUral School Programming Contest 20191384112

2184Flint's Favorite NumberUral School Programming Contest 2024351205

2205Natural NumbersUniversity-Academy Olympiad 202230856

2206Runes in the Field 2University-Academy Olympiad 2022181221

2208Two GiftsUniversity-Academy Olympiad 2023231035

2211Integer TrianglesUniversity-Academy Olympiad 2023171266

2220Reciprocal of GCDICPC Ural Regional Contest Qualifier 202537727
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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