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Problem set. Number Theory Problems

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

IDTitleSourceAuthorsDifficulty

1049Brave BalloonistsUSU Local Contest. March 20006176249

1086CryptographySpring School Contest 200112999107

1091Tmutarakan ExamsUSU Local Contest. March 20012490527

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001534895

1118Nontrivial NumbersAutumn School Contest 20014903104

1132Square Root927544

1133Fibonacci SequenceNEERC 2001 Central Subregional2257225

1141RSA Attack1393364

1204IdempotentsUSU Local Contest. March 20022215230

1261TipsAutumn School Contest 20031576329

1268Little ChuUSU Championship 2003711724

1286Starship TravelUSU Personal Contest 2004791654

1343Fairy TaleUSU Championship 20041258417

1352Mersenne PrimesSpring School Contest 20053996132

1355Bald Spot RevisitedSpring School Contest 20052483212

1356Something EasierSpring School Contest 20051767298

1430Crime and PunishmentTimus Top Coders: First Challenge1116461

1456Jedi Riddle 2Timus Top Coders: Second Challenge677745

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest717638

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest486935

1593Square Country. Version 2570725

1598DSA Attack643658

1698Square Country 5Petrozavodsk Winter 2009. USU Contest643639

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest1455268

1807Cartridges for MaximNEERC 2010 Eastern Subregional2401482

2047MathsUral Championship 2015521482

2070Interesting NumbersUral Regional School Programming Contest 20151036234

2102Michael and CryptographyUral FU Junior Championship 20161493146

2117Polyphemus' triplesUniversity-Academy Olympiad 2019302539

2124Algebra on SegmentPetrozavodsk Summer 2018. umnik_team contest1171308

2138The Good, the Bad and the UglyUral School Programming Contest 20191387112

2184Flint's Favorite NumberUral School Programming Contest 2024361188

2205Natural NumbersUniversity-Academy Olympiad 202232825

2206Runes in the Field 2University-Academy Olympiad 2022191194

2208Two GiftsUniversity-Academy Olympiad 202325988

2211Integer TrianglesUniversity-Academy Olympiad 2023181236

2220Reciprocal of GCDICPC Ural Regional Contest Qualifier 202538721
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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