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Problem set. Number Theory Problems

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

IDTitleSourceAuthorsDifficulty

1049Brave BalloonistsUSU Local Contest. March 20006206249

1086CryptographySpring School Contest 200113018107

1091Tmutarakan ExamsUSU Local Contest. March 20012492528

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001536695

1118Nontrivial NumbersAutumn School Contest 20014918104

1132Square Root928545

1133Fibonacci SequenceNEERC 2001 Central Subregional2262225

1141RSA Attack1398363

1204IdempotentsUSU Local Contest. March 20022222230

1261TipsAutumn School Contest 20031580329

1268Little ChuUSU Championship 2003714723

1286Starship TravelUSU Personal Contest 2004792655

1343Fairy TaleUSU Championship 20041262417

1352Mersenne PrimesSpring School Contest 20054012132

1355Bald Spot RevisitedSpring School Contest 20052489212

1356Something EasierSpring School Contest 20051769298

1430Crime and PunishmentTimus Top Coders: First Challenge1118461

1456Jedi Riddle 2Timus Top Coders: Second Challenge677747

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest717640

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest489932

1593Square Country. Version 2571727

1598DSA Attack653636

1698Square Country 5Petrozavodsk Winter 2009. USU Contest644641

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest1461268

1807Cartridges for MaximNEERC 2010 Eastern Subregional2421477

2047MathsUral Championship 2015522485

2070Interesting NumbersUral Regional School Programming Contest 20151042235

2102Michael and CryptographyUral FU Junior Championship 20161499147

2117Polyphemus' triplesUniversity-Academy Olympiad 2019304543

2124Algebra on SegmentPetrozavodsk Summer 2018. umnik_team contest1191306

2138The Good, the Bad and the UglyUral School Programming Contest 20191432110

2184Flint's Favorite NumberUral School Programming Contest 2024371219

2205Natural NumbersUniversity-Academy Olympiad 202237794

2206Runes in the Field 2University-Academy Olympiad 2022241097

2208Two GiftsUniversity-Academy Olympiad 202330931

2211Integer TrianglesUniversity-Academy Olympiad 2023241097

2220Reciprocal of GCDICPC Ural Regional Contest Qualifier 202543703
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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