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Problem set. Number Theory Problems

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

IDTitleSourceAuthorsDifficulty

1049Brave BalloonistsUSU Local Contest. March 20006165249

1086CryptographySpring School Contest 200112984107

1091Tmutarakan ExamsUSU Local Contest. March 20012487527

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001533895

1118Nontrivial NumbersAutumn School Contest 20014898104

1132Square Root923545

1133Fibonacci SequenceNEERC 2001 Central Subregional2253225

1141RSA Attack1391363

1204IdempotentsUSU Local Contest. March 20022211230

1261TipsAutumn School Contest 20031572329

1268Little ChuUSU Championship 2003709724

1286Starship TravelUSU Personal Contest 2004790653

1343Fairy TaleUSU Championship 20041257417

1352Mersenne PrimesSpring School Contest 20053993132

1355Bald Spot RevisitedSpring School Contest 20052476212

1356Something EasierSpring School Contest 20051764298

1430Crime and PunishmentTimus Top Coders: First Challenge1114461

1456Jedi Riddle 2Timus Top Coders: Second Challenge676745

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest716637

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest484936

1593Square Country. Version 2569724

1598DSA Attack643634

1698Square Country 5Petrozavodsk Winter 2009. USU Contest642638

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest1454267

1807Cartridges for MaximNEERC 2010 Eastern Subregional2401476

2047MathsUral Championship 2015521478

2070Interesting NumbersUral Regional School Programming Contest 20151034233

2102Michael and CryptographyUral FU Junior Championship 20161486146

2117Polyphemus' triplesUniversity-Academy Olympiad 2019301534

2124Algebra on SegmentPetrozavodsk Summer 2018. umnik_team contest1131334

2138The Good, the Bad and the UglyUral School Programming Contest 20191374112

2184Flint's Favorite NumberUral School Programming Contest 2024331219

2205Natural NumbersUniversity-Academy Olympiad 202225924

2206Runes in the Field 2University-Academy Olympiad 2022161243

2208Two GiftsUniversity-Academy Olympiad 2023211041

2211Integer TrianglesUniversity-Academy Olympiad 2023161243

2220Reciprocal of GCDICPC Ural Regional Contest Qualifier 202531788
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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