ID Problem Show tags Hide tags AC / Tried Difficulty
7627 P345C  Counting Fridays 0 / 0 7
7621 P346B  Lucky Common Subsequence 0 / 0 7
7593 P353D  Queue 0 / 0 7
7575 P358C  Dima and Containers 0 / 0 7
7569 P359D  Pair of Numbers 0 / 0 7
7566 P360B  Levko and Array 0 / 0 7
7540 P366D  Dima and Trap Graph 0 / 0 7
7536 P367C  Sereja and the Arrangement of Numbers 0 / 0 7
7517 P371E  Subway Innovation 0 / 0 7
7509 P374A  Inna and Pink Pony 0 / 0 7
7506 P374D  Inna and Sequence 0 / 0 7
7487 P379D  New Year Letter 0 / 0 7
7481 P380C  Sereja and Brackets 0 / 0 7
7475 P382B  Number Busters 0 / 0 7
7469 P383C  Propagating tree 0 / 0 7
7457 P386C  Diverse Substrings 0 / 0 7
7448 P388C  Fox and Card Game 0 / 0 7
7397 P400D  Dima and Bacteria 0 / 0 7
7392 P401D  Roman and Numbers 0 / 0 7
7349 P412D  Giving Awards 0 / 0 7
7344 P413D  2048 0 / 0 7
7291 P427E  Police Patrol 0 / 0 7
7275 P432D  Prefixes and Suffixes 0 / 0 7
7270 P433D  Nanami's Digital Board 0 / 0 7
7263 P435D  Special Grid 0 / 0 7
7219 P446B  DZY Loves Modification 0 / 0 7
7207 P449B  Jzzhu and Cities 0 / 0 7
7198 P451D  Count Good Substrings 0 / 0 7
7189 P453B  Little Pony and Harmony Chest 0 / 0 7
7159 P461B  Appleman and Tree 0 / 0 7
7147 P464B  Restore Cube 0 / 0 7
7140 P466B  Wonder Room 0 / 0 7
7130 P468B  Two Sets 0 / 0 7
7102 P474C  Captain Marmot 0 / 0 7
7100 P474E  Pillars 0 / 0 7
7095 P475D  CGCDSSQ 0 / 0 7
7082 P478D  Red-Green Towers 0 / 0 7
7053 P487B  Strip 0 / 0 7
7037 P490E  Restoring Increasing Sequence 0 / 0 7
7028 P492E  Vanya and Field 0 / 0 7
7021 P494B  Obsessive String 0 / 0 7
6991 P501D  Misha and Permutations Summation 0 / 0 7
6968 P509C  Sums of Digits 0 / 0 7
6966 P509E  Pretty Song 0 / 0 7
6954 P513C  Second price auction 0 / 0 7
6942 P514C  Watto and Mechanism 0 / 0 7
6941 P514D  R2D2 and Droid Army 0 / 0 7
6936 P515D  Drazil and Tiles 0 / 0 7
6911 P522D  Closest Equals 0 / 0 7
6895 P526C  Om Nom and Candies 0 / 0 7
6872 P533B  Work Group 0 / 0 7
6844 P540C  Ice Cave 0 / 0 7
6839 P542C  Idempotent functions 0 / 0 7
6824 P545E  Paths and Trees 0 / 0 7
6780 P555B  Case of Fugitive 0 / 0 7
6771 P557D  Vitaly and Cycle 0 / 0 7
6731 P571B  Minimization 0 / 0 7
6591 P578C  Weakness and Poorness 0 / 0 7
6510 P598E  Chocolate Bar 0 / 0 7
6500 P600D  Area of Two Circles' Intersection 0 / 0 7
6466 P609D  Gadgets for dollars and pounds 0 / 0 7
6455 P611D  New Year and Ancient Prophecy 0 / 0 7
6435 P615C  Running Track 0 / 0 7
6434 P615D  Multipliers 0 / 0 7
6404 P621E  Wet Shark and Blocks 0 / 0 7
6364 P629C  Famil Door and Brackets 0 / 0 7
6363 P629D  Babaei and Birthday Cake 0 / 0 7
6347 P630O  Arrow 0 / 0 7
6329 P633D  Fibonacci-ish 0 / 0 7
6304 P641E  Little Artem and Time Machine 0 / 0 7
6262 P656C  Without Text 0 / 0 7
6260 P656E  Out of Controls 0 / 0 7
6251 P659F  Polycarp and Hay 0 / 0 7
6241 P661C  Array Sum 0 / 0 7
6239 P661E  Divisibility Check 0 / 0 7
6232 P662D  International Olympiad 0 / 0 7
6221 P666B  World Tour 0 / 0 7
6206 P671B  Robin Hood 0 / 0 7
6190 P676D  Theseus and labyrinth 0 / 0 7
6167 P681D  Gifts by the List 0 / 0 7
6132 P689E  Mike and Geometry Problem 0 / 0 7
6106 P696C  PLEASE 0 / 0 7
6045 P710E  Generate a String 0 / 0 7
6004 P720A  Closing ceremony 0 / 0 7
5995 P721D  Maxim and Array 0 / 0 7
5947 P730I  Olympiad in Programming and Sports 0 / 0 7
5862 P749D  Leaving Auction 0 / 0 7
5841 P755D  PolandBall and Polygon 0 / 0 7
5821 P758D  Ability To Convert 0 / 0 7
5812 P761E  Dasha and Puzzle 0 / 0 7
5787 P766D  Mahmoud and a Dictionary 0 / 0 7
5783 P767C  Garland 0 / 0 7
5753 P773B  Dynamic Problem Scoring 0 / 0 7
5739 P774J  Stepan's Series 0 / 0 7
5737 P774L  Bars 0 / 0 7
5732 P776D  The Door Problem 0 / 0 7
5724 P777E  Hanoi Factory 0 / 0 7
5706 P784B  Kids' Riddle 0 / 0 7
5703 P784E  Twisted Circuit 0 / 0 7
5701 P784G  BF Calculator 0 / 0 7

Categories

Lucky

Pick a problem randomly based on the current filter.