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Problem set. Number Theory Problems

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

IDTitleSourceAuthorsDifficulty

1049Brave BalloonistsUSU Local Contest. March 20006153249

1086CryptographySpring School Contest 200112964106

1091Tmutarakan ExamsUSU Local Contest. March 20012485526

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001533194

1118Nontrivial NumbersAutumn School Contest 20014891103

1132Square Root922544

1133Fibonacci SequenceNEERC 2001 Central Subregional2250224

1141RSA Attack1390363

1204IdempotentsUSU Local Contest. March 20022209230

1261TipsAutumn School Contest 20031568329

1268Little ChuUSU Championship 2003709723

1286Starship TravelUSU Personal Contest 2004788653

1343Fairy TaleUSU Championship 20041255416

1352Mersenne PrimesSpring School Contest 20053988132

1355Bald Spot RevisitedSpring School Contest 20052473212

1356Something EasierSpring School Contest 20051759298

1430Crime and PunishmentTimus Top Coders: First Challenge1110461

1456Jedi Riddle 2Timus Top Coders: Second Challenge671748

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest713637

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest482937

1593Square Country. Version 2567724

1598DSA Attack613759

1698Square Country 5Petrozavodsk Winter 2009. USU Contest640638

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest1452266

1807Cartridges for MaximNEERC 2010 Eastern Subregional2371487

2047MathsUral Championship 2015519476

2070Interesting NumbersUral Regional School Programming Contest 20151030232

2102Michael and CryptographyUral FU Junior Championship 20161481145

2117Polyphemus' triplesUniversity-Academy Olympiad 2019299530

2124Algebra on SegmentPetrozavodsk Summer 2018. umnik_team contest1121326

2138The Good, the Bad and the UglyUral School Programming Contest 20191355112

2184Flint's Favorite NumberUral School Programming Contest 2024281310

2205Natural NumbersUniversity-Academy Olympiad 2022161142

2206Runes in the Field 2University-Academy Olympiad 202271743

2208Two GiftsUniversity-Academy Olympiad 2023141233

2211Integer TrianglesUniversity-Academy Olympiad 202391560

2220Reciprocal of GCDICPC Ural Regional Contest Qualifier 202521956
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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