ID 题目 显示标签 隐藏标签 AC / 尝试 难度
4451 P620F  Xors on Segments 0 / 0 10
4441 P622E  Ants in Leaves 0 / 0 8
4417 P627D  Preorder Test 0 / 0 10
4416 P627F  Island Puzzle 0 / 0 10
4404 P629E  Famil Door and Roads 0 / 0 8
4375 P632F  Magic Matrix 0 / 1 9
4369 P633F  The Chocolate Spree 0 / 0 10
4358 P638C  Road Improvement 0 / 0 6
4355 P639B  Bear and Forgotten Tree 3 0 / 0 5
4351 P639F  Bear and Chemistry 0 / 0 10
4339 P643E  Bear and Destroying Subtrees 1 / 1 10
4322 P650E  Clockwork Bomb 0 / 0 10
4315 P652E  Pursuit For Artifacts 0 / 0 8
4309 P653E  Bear and Forgotten Tree 2 0 / 0 9
4266 P665E  Beautiful Subarrays 1 / 6 7
4236 P675D  Tree Construction 0 / 0 6
4206 P681D  Gifts by the List 0 / 0 7
4202 P682C  Alyona and the Tree 0 / 0 5
4187 P685B  Kay and Snowflake 3 / 3 6
4162 P690C2  Brain Network (medium) 0 / 0 5
4161 P690C3  Brain Network (hard) 0 / 0 8
4154 P690F2  Tree of Life (medium) 0 / 0 10
4153 P690F3  Tree of Life (hard) 0 / 0 10
4146 P696A  Lorenzo Von Matterhorn 0 / 0 5
4145 P696B  Puzzles 0 / 0 5
4142 P696E  ...Wait for it... 0 / 0 10
4137 P698B  Fix a Tree 0 / 0 5
4129 P700B  Connecting Universities 0 / 0 6
4107 P704E  Iron Man 2 / 20 10
4101 P706D  Vasiliy's Multiset 1 / 6 6
4092 P708C  Centroids 1 / 2 8
4062 P715C  Digit Tree 0 / 2 10
4045 P718D  Andrew and Chemistry 0 / 0 10
4028 P722D  Generating Sets 0 / 0 6
4013 P724F  Uniformly Branched Trees 0 / 0 10
4012 P724G  Xor-matic Number of the Graph 0 / 0 10
3961 P733F  Drivers Dissatisfaction 0 / 0 8
3957 P734E  Anton and Tree 0 / 0 7
3950 P735E  Ostap and Tree 0 / 0 9
3944 P739B  Alyona and a tree 1 / 2 6
3935 P741D  Arpa’s letter-marked tree and Mehrdad’s Dokhtar-kosh paths 3 / 8 10
3928 P743D  Chloe and pleasant prizes 0 / 0 6
3912 P746G  New Roads 0 / 0 7
3900 P748F  Santa Clauses and a Soccer Championship 0 / 0 8
3889 P750F  New Year and Finding Roots 0 / 0 10
3880 P754E  Dasha and cyclic table 0 / 0 10
3876 P755C  PolandBall and Forest 0 / 0 4
3859 P757G  Can Bash Save the Day? 0 / 0 10
3854 P758E  Broken Tree 0 / 0 10
3825 P761E  Dasha and Puzzle 0 / 0 7

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