ID Problem Show tags Hide tags AC / Tried Difficulty
1208 P1669G   Fall Down 0 / 0 4
1204 P1670C   Where is the Pizza? 0 / 0 4
1202 P1670E   Hemose on the Tree 0 / 0 8
1188 P1672F2   Checker for Array Shuffling 0 / 0 10
1172 P1674G   Remove Directed Edges 0 / 0 7
1166 P1675F   Vlad and Unfinished Business 0 / 0 6
1158 P1676G   White-Black Balanced Subtrees 0 / 0 4
1153 P1677C   Tokitsukaze and Two Colorful Tapes 0 / 0 6
1143 P1679D   Toss a Coin to Your Graph... 0 / 0 6
1135 P1680F   Lenient Vertex Cover 0 / 0 10
1131 P1681D   Required Length 0 / 0 5
1129 P1681F   Unique Occurrences 0 / 0 8
1124 P1682E   Unordered Swaps 0 / 0 10
1114 P1684H   Hard Cut 0 / 0 10
1107 P1685D1   Permutation Weight (Easy Version) 0 / 0 10
1074 P1689C   Infected Tree 0 / 0 5
1071 P1689E   ANDfinity 0 / 0 9
1057 P1691E   Number of Groups 0 / 0 8
1056 P1691F   K-Set Tree 0 / 0 9
1046 P1693B   Fake Plastic Trees 0 / 0 5
1032 P1695D1   Tree Queries (Easy Version) 0 / 0 8
1030 P1695D2   Tree Queries (Hard Version) 0 / 0 8
1029 P1695E   Ambiguous Dominoes 0 / 0 10
1019 P1696F   Tree Recovery 0 / 0 10
965 P1702E   Split Into Two Sets 0 / 0 5
963 P1702G1   Passable Paths (easy version) 0 / 0 6
962 P1702G2   Passable Paths (hard version) 0 / 0 7
934 P1706E   Qpwoeirut and Vertices 0 / 0 8
931 P1707C   DFS Trees 0 / 0 9
930 P1707D   Partial Virtual Trees 0 / 0 10
921 P1709E   XOR Tree 0 / 0 9
906 P1712F   Triameter 0 / 0 10
893 P1714G   Path Prefixes 0 / 0 5
882 P1716E   Swap and Maximum Block 0 / 0 9
855 P1721D   Maximum AND 0 / 0 6
854 P1721E   Prefix Function Queries 0 / 0 8
853 P1721F   Matching Reduction 0 / 0 10
847 P1722F   L-shapes 0 / 0 5
829 P1726D   Edge Split 0 / 0 7
777 P1735C   Phase Shift 0 / 0 4
755 P1738D   Permutation Addicts 0 / 0 6
743 P1739D   Reset K Edges 0 / 0 6
733 P1740E   Hanging Hearts 0 / 0 6
725 P1741D   Masha and a Beautiful Tree 0 / 0 4
720 P1741G   Kirill and Company 0 / 0 8
673 P1746D   Paths on the Tree 0 / 0 6
639 P1749E   Cactus Wall 0 / 0 9
637 P1749F   Distance to the Path 0 / 0 10
612 P1753D   The Beach 0 / 0 9
595 P1758E   Tick, Tock 0 / 0 9
566 P1760G   SlavicG's Favorite Problem 0 / 0 5
561 P1761C   Set Construction 0 / 0 4
535 P1763F   Edge Queries 0 / 0 10
525 P1764F   Doremy's Experimental Tree 0 / 0 9
469 P1768D   Lucky Permutation 0 / 0 6
458 P1770D   Koxia and Game 0 / 0 7
456 P1770E   Koxia and Tree 0 / 0 9
441 P1771D   Hossam and (sub-)palindromic tree 0 / 0 7
413 P1774E   Two Chess Pieces 0 / 0 6
401 P1775D   Friendly Spiders 0 / 0 6
370 P1777D   Score of a Tree 0 / 0 6
369 P1777E   Edge Reverse 0 / 0 8
360 P1778E   The Tree Has Fallen! 0 / 0 9
358 P1778F   Maximizing Root 0 / 0 10
315 P1783F   Double Sort II 0 / 0 9
299 P1787D   Game on Axis 0 / 0 6
285 P1788E   Sum Over Zero 0 / 0 8
283 P1788F   XOR, Tree, and Queries 0 / 0 9
271 P1790F   Timofey and Black-White Tree 0 / 0 7
269 P1790G   Tokens on Graph 0 / 0 8
251 P1792E   Divisors and Table 0 / 0 9
222 P1795F   Blocking Chips 0 / 0 9
221 P1795G   Removal Sequences 0 / 0 10
213 P1796E   Colored Subgraphs 0 / 0 9
206 P1797D   Li Hua and Tree 0 / 0 6
203 P1797F   Li Hua and Path 0 / 0 10
184 P1799E   City Union 0 / 0 8
180 P1799H   Tree Cutting 0 / 0 10
169 P1800E2   Unforgivable Curse (hard version) 0 / 0 5
166 P1800G   Symmetree 0 / 0 8
145 P1804E   Routing 0 / 0 9
138 P1805D   A Wide, Wide Graph 0 / 0 6
137 P1805E   There Should Be a Lot of Maximums 0 / 0 8
128 P1806E   Tree Master 0 / 0 8
116 P1807F   Bouncy Ball 0 / 0 5
77 P1810E   Monsters 0 / 0 7
61 P1811F   Is It Flower? 0 / 0 7
45 P1815C   Between 0 / 0 8
9801 P1817B   Fish Graph 0 / 0 6
3 P1822F   Gardening Friends 0 / 0 (None)
9791 P1824C   LuoTianyi and XOR-Tree 0 / 0 (None)
9819 P1827D   Two Centroids 0 / 0 10
9818 P1827E   Bus Routes 0 / 0 10
9772 P1829D   Gold Rush 0 / 0 (None)
9771 P1829E   The Lakes 0 / 0 (None)
9770 P1829F   Forever Winter 0 / 0 (None)
9847 P1830A   Copil Copac Draws Trees 0 / 0 (None)
9835 P1833E   Round Dance 0 / 0 5
9833 P1833G   Ksyusha and Chinchilla 0 / 0 6
9936 P1835D   Doctor's Brown Hypothesis 0 / 0 10

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