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Problem set. Number Theory Problems

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

IDTitleSourceAuthorsDifficulty

1049Brave BalloonistsUSU Local Contest. March 20006190249

1086CryptographySpring School Contest 200113011107

1091Tmutarakan ExamsUSU Local Contest. March 20012491528

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001535995

1118Nontrivial NumbersAutumn School Contest 20014913104

1132Square Root928545

1133Fibonacci SequenceNEERC 2001 Central Subregional2261225

1141RSA Attack1397363

1204IdempotentsUSU Local Contest. March 20022221230

1261TipsAutumn School Contest 20031578329

1268Little ChuUSU Championship 2003714722

1286Starship TravelUSU Personal Contest 2004792654

1343Fairy TaleUSU Championship 20041262417

1352Mersenne PrimesSpring School Contest 20054007132

1355Bald Spot RevisitedSpring School Contest 20052485212

1356Something EasierSpring School Contest 20051768298

1430Crime and PunishmentTimus Top Coders: First Challenge1117461

1456Jedi Riddle 2Timus Top Coders: Second Challenge677747

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest717639

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest487935

1593Square Country. Version 2571726

1598DSA Attack653628

1698Square Country 5Petrozavodsk Winter 2009. USU Contest643641

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest1459268

1807Cartridges for MaximNEERC 2010 Eastern Subregional2421475

2047MathsUral Championship 2015522483

2070Interesting NumbersUral Regional School Programming Contest 20151041235

2102Michael and CryptographyUral FU Junior Championship 20161496147

2117Polyphemus' triplesUniversity-Academy Olympiad 2019304541

2124Algebra on SegmentPetrozavodsk Summer 2018. umnik_team contest1191300

2138The Good, the Bad and the UglyUral School Programming Contest 20191396113

2184Flint's Favorite NumberUral School Programming Contest 2024371202

2205Natural NumbersUniversity-Academy Olympiad 202235812

2206Runes in the Field 2University-Academy Olympiad 2022231106

2208Two GiftsUniversity-Academy Olympiad 202327986

2211Integer TrianglesUniversity-Academy Olympiad 2023231106

2220Reciprocal of GCDICPC Ural Regional Contest Qualifier 202540730
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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