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Problem set. Number Theory Problems

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

IDTitleSourceAuthorsDifficulty

1049Brave BalloonistsUSU Local Contest. March 20006156249

1086CryptographySpring School Contest 200112973106

1091Tmutarakan ExamsUSU Local Contest. March 20012485526

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001533595

1118Nontrivial NumbersAutumn School Contest 20014895103

1132Square Root922545

1133Fibonacci SequenceNEERC 2001 Central Subregional2250225

1141RSA Attack1391363

1204IdempotentsUSU Local Contest. March 20022209230

1261TipsAutumn School Contest 20031569329

1268Little ChuUSU Championship 2003709723

1286Starship TravelUSU Personal Contest 2004789653

1343Fairy TaleUSU Championship 20041256416

1352Mersenne PrimesSpring School Contest 20053991132

1355Bald Spot RevisitedSpring School Contest 20052473212

1356Something EasierSpring School Contest 20051761298

1430Crime and PunishmentTimus Top Coders: First Challenge1110462

1456Jedi Riddle 2Timus Top Coders: Second Challenge674746

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest714638

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest482938

1593Square Country. Version 2567725

1598DSA Attack623721

1698Square Country 5Petrozavodsk Winter 2009. USU Contest640639

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest1452267

1807Cartridges for MaximNEERC 2010 Eastern Subregional2371490

2047MathsUral Championship 2015519478

2070Interesting NumbersUral Regional School Programming Contest 20151031233

2102Michael and CryptographyUral FU Junior Championship 20161484145

2117Polyphemus' triplesUniversity-Academy Olympiad 2019299534

2124Algebra on SegmentPetrozavodsk Summer 2018. umnik_team contest1121335

2138The Good, the Bad and the UglyUral School Programming Contest 20191360112

2184Flint's Favorite NumberUral School Programming Contest 2024281344

2205Natural NumbersUniversity-Academy Olympiad 2022191068

2206Runes in the Field 2University-Academy Olympiad 2022101547

2208Two GiftsUniversity-Academy Olympiad 2023161188

2211Integer TrianglesUniversity-Academy Olympiad 2023101547

2220Reciprocal of GCDICPC Ural Regional Contest Qualifier 202523937
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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