ENG  RUSTimus Online Judge
Online Judge
Problems
Authors
Online contests
About Online Judge
Frequently asked questions
Site news
Webboard
Links
Problem set
Submit solution
Judge status
Guide
Register
Update your info
Authors ranklist
Current contest
Scheduled contests
Past contests
Rules

Problem set. Number Theory Problems


IDTitleSourceAuthorsDifficulty

1086CryptographySpring School Contest 200111538108

1049Brave BalloonistsUSU Local Contest. March 20005748239

1104Don’t Ask Woman about Her AgeTetrahedron Team Online Contest May 2001487693

1118Nontrivial NumbersAutumn School Contest 20014474102

1352Mersenne PrimesSpring School Contest 20053708129

1091Tmutarakan ExamsUSU Local Contest. March 20012292513

1355Bald Spot RevisitedSpring School Contest 20052212215

1133Fibonacci SequenceNEERC 2001 Central Subregional2082219

1204IdempotentsUSU Local Contest. March 20022043224

1261TipsAutumn School Contest 20031409331

1356Something EasierSpring School Contest 20051382344

1748The Most Complex NumberPetrozavodsk Summer 2009. Ufa SATU Contest1270255

1141RSA Attack1249363

1343Fairy TaleUSU Championship 20041115425

2102Michael and CryptographyUral FU Junior Championship 20161079125

1430Crime and PunishmentTimus Top Coders: First Challenge1003461

2070Interesting NumbersUral Regional School Programming Contest 2015810200

1132Square Root779579

1286Starship TravelUSU Personal Contest 2004698668

2138The Good, the Bad and the UglyUral School Programming Contest 201966698

1268Little ChuUSU Championship 2003633732

1554Multiplicative FunctionsPetrozavodsk Summer 2007. NSU Contest630634

1456Jedi Riddle 2Timus Top Coders: Second Challenge599755

1698Square Country 5Petrozavodsk Winter 2009. USU Contest578604

1593Square Country. Version 2494711

2047MathsUral Championship 2015415414

1560Elementary Symmetric FunctionsPetrozavodsk Summer 2007. NSU Contest406976

1807Cartridges for MaximNEERC 2010 Eastern Subregional2151346

2117Polyphemus' triplesUniversity academic school olympiad in informatics 2019153483

2124Algebra on SegmentPetrozavodsk Summer 2018. t.me/umnik_team Contest501275

1598DSA Attack324579