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Problem set. Number Theory Problems

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

IDTitleSourceAuthorsDifficulty

1049Brave BalloonistsUSU Local Contest. March 20006167249

1086CryptographySpring School Contest 200112990107

1091Tmutarakan ExamsUSU Local Contest. March 20012488527

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001534395

1118Nontrivial NumbersAutumn School Contest 20014901104

1132Square Root923546

1133Fibonacci SequenceNEERC 2001 Central Subregional2253225

1141RSA Attack1392363

1204IdempotentsUSU Local Contest. March 20022211230

1261TipsAutumn School Contest 20031573329

1268Little ChuUSU Championship 2003709725

1286Starship TravelUSU Personal Contest 2004791653

1343Fairy TaleUSU Championship 20041257417

1352Mersenne PrimesSpring School Contest 20053996132

1355Bald Spot RevisitedSpring School Contest 20052478212

1356Something EasierSpring School Contest 20051764298

1430Crime and PunishmentTimus Top Coders: First Challenge1114461

1456Jedi Riddle 2Timus Top Coders: Second Challenge677744

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest717637

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest484937

1593Square Country. Version 2569725

1598DSA Attack643646

1698Square Country 5Petrozavodsk Winter 2009. USU Contest643638

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest1454267

1807Cartridges for MaximNEERC 2010 Eastern Subregional2401479

2047MathsUral Championship 2015521480

2070Interesting NumbersUral Regional School Programming Contest 20151034234

2102Michael and CryptographyUral FU Junior Championship 20161487146

2117Polyphemus' triplesUniversity-Academy Olympiad 2019301537

2124Algebra on SegmentPetrozavodsk Summer 2018. umnik_team contest1141331

2138The Good, the Bad and the UglyUral School Programming Contest 20191381112

2184Flint's Favorite NumberUral School Programming Contest 2024341216

2205Natural NumbersUniversity-Academy Olympiad 202230837

2206Runes in the Field 2University-Academy Olympiad 2022161286

2208Two GiftsUniversity-Academy Olympiad 2023211078

2211Integer TrianglesUniversity-Academy Olympiad 2023161286

2220Reciprocal of GCDICPC Ural Regional Contest Qualifier 202536727
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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