ID Problem Show tags Hide tags AC / Tried Difficulty
8069 P377B  Preparing for the Contest 0 / 0 6
8022 P388B  Fox and Minimal path 0 / 0 6
7953 P404D  Minesweeper 1D 0 / 0 6
7932 P409F  000001 0 / 0 6
7921 P412E  E-mail Addresses 0 / 0 6
7900 P417D  Cunning Gena 0 / 0 6
7894 P420C  Bug in Code 0 / 0 6
7890 P421D  Bug in Code 0 / 0 6
7834 P437D  The Child and Zoo 0 / 0 6
7793 P448C  Painting Fence 0 / 0 6
7775 P452D  Washer, Dryer, Folder 0 / 0 6
7764 P455B  A Lot of Games 0 / 0 6
7757 P457B  Distributed Join 0 / 0 6
7750 P459C  Pashmak and Buses 0 / 0 6
7748 P459E  Pashmak and Graph 0 / 0 6
7733 P463C  Gargari and Bishops 0 / 0 6
7732 P463D  Gargari and Permutations 0 / 0 6
7704 P470C  Eval 0 / 0 6
7703 P470D  Caesar Cipher 0 / 0 6
7702 P470E  Chessboard 0 / 0 6
7690 P472D  Design Tutorial: Inverse the Problem 1 / 1 6
7671 P476D  Dreamoon and Sets 0 / 0 6
7658 P479E  Riding in a Lift 0 / 0 6
7630 P488B  Candy Boxes 0 / 0 6
7620 P490D  Chocolate 0 / 0 6
7594 P496D  Tennis Game 0 / 0 6
7580 P500D  New Year Santa Network 0 / 0 6
7567 P505C  Mr 0 / 0 6
7543 P510D  Fox And Jumping 0 / 0 6
7466 P524C  The Art of Dealing with ATM 0 / 0 6
7442 P529B  Group Photo 2 (online mirror version) 0 / 0 6
7412 P534D  Handshakes 0 / 0 6
7407 P535C  Tavas and Karafs 0 / 0 6
7406 P535D  Tavas and Malekas 0 / 0 6
7391 P540D  Bad Luck Island 0 / 0 6
7365 P547B  Mike and Feet 0 / 0 6
7356 P549D  Haar Features 0 / 0 6
7348 P550D  Regular Bridge 0 / 0 6
7339 P552C  Vanya and Scales 0 / 0 6
7338 P552D  Vanya and Triangles 0 / 0 6
7335 P553B  Kyoya and Permutation 0 / 0 6
7320 P557C  Arthur and Table 0 / 0 6
7315 P558C  Amr and Chemistry 0 / 0 6
7302 P566D  Restructuring Company 0 / 0 6
7291 P568B  Symmetric and Transitive 0 / 0 6
7251 P577B  Modulo Sum 0 / 0 6
7230 P582B  Once Again... 0 / 0 6
7172 P597C  Subsequences 0 / 0 6
7162 P599D  Spongebob and Squares 0 / 0 6
7132 P607B  Zuma 2 / 2 6
7101 P613A  Peter and Snow Blower 0 / 0 6
7100 P613B  Skills 0 / 0 6
7057 P622D  Optimal Number Permutation 0 / 0 6
7014 P630E  A rectangle 0 / 0 6
6987 P633C  Spy Syndrome 2 0 / 0 6
6940 P650B  Image Preview 0 / 0 6
6926 P653C  Bear and Up-Down 0 / 0 6
6921 P656A  Da Vinci Powers 0 / 0 6
6916 P656F  Ace It! 0 / 0 6
6915 P656G  You're a Professional 0 / 0 6
6901 P660D  Number of Parallelograms 0 / 0 6
6893 P661B  Seasons 0 / 0 6
6886 P661F  Primes in Interval 0 / 0 6
6808 P682D  Alyona and Strings 0 / 0 6
6800 P683G  The Fraction 0 / 0 6
6799 P683H  Exchange of Books 0 / 0 6
6795 P685B  Kay and Snowflake 0 / 0 6
6787 P687C  The Values You Can Make 0 / 0 6
6756 P691E  Xor-sequences 0 / 0 6
6738 P700A  As Fast As Possible 0 / 0 6
6727 P702D  Road to Post Office 0 / 0 6
6701 P708B  Recover the String 0 / 0 6
6686 P711D  Directed Roads 0 / 0 6
6662 P717D  Dexterina’s Lab 0 / 0 6
6661 P717E  Paint it really, really dark gray 0 / 0 6
6636 P722D  Generating Sets 0 / 0 6
6624 P724D  Dense Subsequence 0 / 0 6
6603 P729E  Subordinates 0 / 0 6
6592 P730J  Bottles 0 / 0 6
6584 P731F  Video Cards 0 / 0 6
6555 P739B  Alyona and a tree 0 / 0 6
6536 P744B  Hongcow's Game 0 / 0 6
6526 P746E  Numbers Exchange 0 / 0 6
6503 P750D  New Year and Fireworks 0 / 0 6
6475 P757C  Felicity is Coming! 0 / 0 6
6332 P780D  Innokenty and a Football League 0 / 0 6
6323 P784D  Touchy-Feely Palindromes 0 / 0 6
6321 P784F  Crunching Numbers Just for You 0 / 0 6
6296 P792D  Paths in a Complete Binary Tree 0 / 0 6
6277 P796C  Bank Hacking 0 / 0 6
6236 P803C  Maximal GCD 0 / 0 6
6235 P803D  Magazine Ad 0 / 0 6
6218 P808D  Array Division 0 / 0 6
6201 P811C  Vladik and Memorable Trip 0 / 0 6
6144 P817D  Imbalanced Array 0 / 0 6
6129 P818E  Card Game Again 0 / 0 6
6121 P819B  Mister B and PR Shifts 0 / 0 6
6047 P832D  Misha, Grisha and Underground 0 / 0 6
6035 P835D  Palindromic characteristics 0 / 0 6
6018 P839B  Game of the Rows 0 / 0 6

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