ID Problem Show tags Hide tags AC / Tried Difficulty
6211 codeforces#P670D1  Magic Powder - 1 0 / 0 4
6210 codeforces#P670D2  Magic Powder - 2 0 / 0 5
6209 codeforces#P670E  Correct Bracket Sequence Editor 0 / 0 5
6208 codeforces#P670F  Restore a Number 0 / 0 8
6207 codeforces#P671A  Recycling Bottles 0 / 0 6
6206 codeforces#P671B  Robin Hood 0 / 0 7
6205 codeforces#P671C  Ultimate Weirdness of an Array 0 / 0 10
6204 codeforces#P671D  Roads in Yusland 0 / 0 10
6203 codeforces#P671E  Organizing a Race 0 / 0 10
6202 codeforces#P672A  Summer Camp 0 / 0 3
6201 codeforces#P672B  Different is Good 0 / 0 3
6200 codeforces#P673A  Bear and Game 0 / 0 3
6199 codeforces#P673B  Problems for Round 0 / 0 4
6198 codeforces#P675A  Infinite Sequence 0 / 0 3
6197 codeforces#P675B  Restoring Painting 0 / 0 4
6196 codeforces#P675C  Money Transfers 0 / 0 7
6195 codeforces#P675D  Tree Construction 0 / 0 6
6194 codeforces#P675E  Trains and Statistic 0 / 0 8
6193 codeforces#P676A  Nicholas and Permutation 0 / 0 3
6192 codeforces#P676B  Pyramid of Glasses 0 / 0 5
6191 codeforces#P676C  Vasya and String 0 / 0 5
6190 codeforces#P676D  Theseus and labyrinth 0 / 0 7
6189 codeforces#P676E  The Last Fight Between Human and AI 0 / 0 9
6188 codeforces#P677A  Vanya and Fence 0 / 0 3
6187 codeforces#P677B  Vanya and Food Processor 1 / 1 4
6186 codeforces#P677C  Vanya and Label 0 / 0 5
6185 codeforces#P677D  Vanya and Treasure 0 / 0 8
6184 codeforces#P677E  Vanya and Balloons 0 / 0 8
6183 codeforces#P678A  Johny Likes Numbers 0 / 0 3
6182 codeforces#P678B  The Same Calendar 0 / 0 5
6181 codeforces#P678C  Joty and Chocolate 0 / 0 5
6180 codeforces#P678D  Iterated Linear Function 0 / 0 5
6179 codeforces#P678E  Another Sith Tournament 0 / 0 8
6178 codeforces#P678F  Lena and Queries 0 / 0 9
6177 codeforces#P679A  Bear and Prime 100 0 / 0 4
6176 codeforces#P679B  Bear and Tower of Cubes 0 / 0 8
6175 codeforces#P679C  Bear and Square Grid 0 / 0 9
6174 codeforces#P679D  Bear and Chase 0 / 0 10
6173 codeforces#P679E  Bear and Bad Powers of 42 0 / 0 10
6172 codeforces#P680A  Bear and Five Cards 0 / 0 3
6171 codeforces#P680B  Bear and Finding Criminals 0 / 0 3
6170 codeforces#P681A  A Good Contest 0 / 0 3
6169 codeforces#P681B  Economy Game 0 / 0 4
6168 codeforces#P681C  Heap Operations 0 / 0 5
6167 codeforces#P681D  Gifts by the List 0 / 0 7
6166 codeforces#P681E  Runaway to a Shadow 0 / 0 9
6165 codeforces#P682A  Alyona and Numbers 0 / 0 3
6164 codeforces#P682B  Alyona and Mex 0 / 0 4
6163 codeforces#P682C  Alyona and the Tree 0 / 0 5
6162 codeforces#P682D  Alyona and Strings 0 / 0 6
6161 codeforces#P682E  Alyona and Triangles 0 / 0 10
6160 codeforces#P683A  The Check of the Point 0 / 0 4
6159 codeforces#P683B  The Teacher of Physical Education 0 / 0 5
6158 codeforces#P683C  Symmetric Difference 0 / 0 5
6157 codeforces#P683D  Chocolate Bar 0 / 0 4
6156 codeforces#P683E  Hammer throwing 0 / 0 6
6155 codeforces#P683F  Reformat the String 0 / 0 6
6154 codeforces#P683G  The Fraction 0 / 0 6
6153 codeforces#P683H  Exchange of Books 0 / 0 6
6152 codeforces#P683I  Loader 0 / 0 9
6151 codeforces#P683J  The Hero with Bombs 0 / 0 10
6150 codeforces#P685A  Robbers' watch 0 / 0 5
6149 codeforces#P685B  Kay and Snowflake 0 / 0 6
6148 codeforces#P685C  Optimal Point 0 / 0 10
6147 codeforces#P685D  Kay and Eternity 0 / 0 10
6146 codeforces#P685E  Travelling Through the Snow Queen's Kingdom 0 / 0 10
6145 codeforces#P686A  Free Ice Cream 0 / 0 3
6144 codeforces#P686B  Little Robber Girl's Zoo 0 / 0 3
6143 codeforces#P687A  NP-Hard Problem 0 / 0 5
6142 codeforces#P687B  Remainders Game 0 / 0 6
6141 codeforces#P687C  The Values You Can Make 0 / 0 6
6140 codeforces#P687D  Dividing Kingdom II 0 / 0 9
6139 codeforces#P687E  TOF 0 / 0 10
6138 codeforces#P688A  Opponents 0 / 0 3
6137 codeforces#P688B  Lovely Palindromes 0 / 0 3
6136 codeforces#P689A  Mike and Cellphone 0 / 0 4
6135 codeforces#P689B  Mike and Shortcuts 0 / 0 5
6134 codeforces#P689C  Mike and Chocolate Thieves 0 / 0 5
6133 codeforces#P689D  Friends and Subsequences 0 / 0 7
6132 codeforces#P689E  Mike and Geometry Problem 0 / 0 7
6131 codeforces#P690A1  Collective Mindsets (easy) 0 / 0 3
6130 codeforces#P690A2  Collective Mindsets (medium) 0 / 0 8
6129 codeforces#P690A3  Collective Mindsets (hard) 0 / 0 9
6128 codeforces#P690B1  Recover Polygon (easy) 0 / 0 5
6127 codeforces#P690B2  Recover Polygon (medium) 0 / 0 10
6126 codeforces#P690B3  Recover Polygon (hard) 0 / 0 10
6125 codeforces#P690C1  Brain Network (easy) 0 / 0 4
6124 codeforces#P690C2  Brain Network (medium) 0 / 0 5
6123 codeforces#P690C3  Brain Network (hard) 0 / 0 8
6122 codeforces#P690D1  The Wall (easy) 0 / 0 4
6121 codeforces#P690D2  The Wall (medium) 0 / 0 6
6120 codeforces#P690D3  The Wall (hard) 0 / 0 7
6119 codeforces#P690E1  Photographs (I) 0 / 0 6
6118 codeforces#P690E2  Photographs (II) 0 / 0 10
6117 codeforces#P690F1  Tree of Life (easy) 0 / 0 4
6116 codeforces#P690F2  Tree of Life (medium) 0 / 0 10
6115 codeforces#P690F3  Tree of Life (hard) 0 / 0 10
6114 codeforces#P691A  Fashion in Berland 0 / 0 3
6113 codeforces#P691B  s-palindrome 0 / 0 5
6112 codeforces#P691C  Exponential notation 0 / 0 6

Categories

Lucky

Pick a problem randomly based on the current filter.