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Problem set. Number Theory Problems

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

IDTitleSourceAuthorsDifficulty

1049Brave BalloonistsUSU Local Contest. March 20006208249

1086CryptographySpring School Contest 200113023107

1091Tmutarakan ExamsUSU Local Contest. March 20012493529

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001536895

1118Nontrivial NumbersAutumn School Contest 20014928104

1132Square Root928545

1133Fibonacci SequenceNEERC 2001 Central Subregional2264225

1141RSA Attack1399363

1204IdempotentsUSU Local Contest. March 20022226230

1261TipsAutumn School Contest 20031581329

1268Little ChuUSU Championship 2003716721

1286Starship TravelUSU Personal Contest 2004794654

1343Fairy TaleUSU Championship 20041263417

1352Mersenne PrimesSpring School Contest 20054014132

1355Bald Spot RevisitedSpring School Contest 20052494212

1356Something EasierSpring School Contest 20051769298

1430Crime and PunishmentTimus Top Coders: First Challenge1118462

1456Jedi Riddle 2Timus Top Coders: Second Challenge678747

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest717640

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest490931

1593Square Country. Version 2573725

1598DSA Attack663596

1698Square Country 5Petrozavodsk Winter 2009. USU Contest645641

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest1463268

1807Cartridges for MaximNEERC 2010 Eastern Subregional2421479

2047MathsUral Championship 2015525483

2070Interesting NumbersUral Regional School Programming Contest 20151047234

2102Michael and CryptographyUral FU Junior Championship 20161504147

2117Polyphemus' triplesUniversity-Academy Olympiad 2019305543

2124Algebra on SegmentPetrozavodsk Summer 2018. umnik_team contest1201301

2138The Good, the Bad and the UglyUral School Programming Contest 20191437111

2184Flint's Favorite NumberUral School Programming Contest 2024381210

2205Natural NumbersUniversity-Academy Olympiad 202237812

2206Runes in the Field 2University-Academy Olympiad 2022261059

2208Two GiftsUniversity-Academy Olympiad 202331928

2211Integer TrianglesUniversity-Academy Olympiad 2023241121

2220Reciprocal of GCDICPC Ural Regional Contest Qualifier 202543719
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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