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Problem set. Mathematical Problems

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

IDTitleSourceAuthorsDifficulty

1011ConductorsUSU Championship 19976347247

1014Product of DigitsUSU Local Contest. 19991670394

1024PermutationsAutumn School Contest 20004874320

1041NikiforUSU Championship 20003134783

1047Simple CalculationsUSU Local Contest. March 20005031303

1053PinocchioNEERC 2000 Central Subregional4435343

1055CombinationsNEERC 2000 Central Subregional3601422

1066GarlandNEERC 20002478579

1098Questions2236556

1142RelationsDSAP Vietnam Online Contest November 20013259155

1174Weird PermutationsRomanian Online Contest December 2001690723

1200Horns and HoofsUSU Local Contest. March 20021967257

1206Sum of Digits of the Sum of NumbersUSU Local Contest. March 20024079124

12091, 10, 100, 1000...Autumn School Contest 20021495134

1217Unlucky TicketsUSU Championship 20021237410

1222Chernobyl’ EaglesUSU Championship 20023552144

1233Amusing NumbersNEERC 2002543926

1247Check a SequenceUSU Personal Contest 20032115242

1255Graveyard of the Cosa NostraUSU Local Contest. March 20031818281

1259How to Become Star?Autumn School Contest 20031294397

1266Kirchhoff's LawUSU Championship 20033431466

1275Knights of the Round TableNEERC 2003 Central Subregional2052407

1283DwarfUSU Personal Contest 20044483116

1289One Way TicketUSU Personal Contest 20041291399

1292Mars Space StationsSpring School Contest 20041352381

1295Crazy NotionsSpring School Contest 20043422151

1321Floor IndicatorUral Championship 2004. Round 23721361

1335White ThesisAutumn School Contest 20042854183

1336Problem of Ben BetsalelAutumn School Contest 20044249123

1349FarmSpring School Contest 20051032351

1360Philosophical DisputeUral Championship 2005. Round 24001281

1366PresentsUral Championship 2005. Round 2987527

1385Interesting NumberPetrozavodsk Summer 2005. Moscow+Ural Contest2126246

1402CocktailsAutumn School Contest 20054037130

1417Space Poker 2USU Championship 20052581959

1420Integer-Valued Complex DivisionUSU Championship 20052691882

1428Jedi RiddleTimus Top Coders: First Challenge1021499

1467Sum of DegreesPetrozavodsk Winter 2006. USU Contest3921235

1503PolynomialNEERC 2006 Eastern Subregional2711740

1561Winnie the PoohPetrozavodsk Summer 2007. NSU Contest1482901

1582BookmakersNEERC 2007 Eastern Subregional3699123

1591Abstract ThinkingNEERC 2007 Eastern Subregional4141074

1605Devil's SequenceUSU Personal Contest 2008719609

1633HippogriffsUSU Championship 2008544767

1661DodecahedronPetrozavodsk Winter 2008. USU Contest1003808

1666Vasya FerrariPetrozavodsk Winter 2008. USU Contest3111305

2125Continue the SequencePetrozavodsk Summer 2018. umnik_team Contest383292

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest323762

2138The Good, the Bad and the UglyUral School Programming Contest 20191337110

2145Olympiad for EveryoneUral School Programming Contest 2019382379

2158Two progressionsUral School Programming Contest 2021281931

2171Two Progressions 2Ural School Programming Contest 2022381530

2177Vadim and Sudoku: XV-PairsUral School Programming Contest 2023141896

2191Piecewise Linear FunctionsICPC Ural Regional Contest Qualifier 202282522
Solved problems: show | hide  •  Sort by: id | authors | difficulty
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