ID 题目 显示标签 隐藏标签 AC / 尝试 难度
281 P1753C   Wish I Knew How to Sort 0 / 0 7
265 P1759E   The Humanoid 0 / 0 5
250 P1761F1   Anti-median (Easy Version) 0 / 0 10
249 P1761F2   Anti-median (Hard Version) 0 / 0 10
242 P1762F   Good Pairs 0 / 0 10
237 P1763D   Valid Bitonic Permutations 0 / 0 8
236 P1763E   Node Pairs 0 / 0 8
235 P1763F   Edge Queries 0 / 0 10
231 P1764D   Doremy's Pegging Game 0 / 0 7
230 P1764E   Doremy's Number Line 0 / 0 9
222 P1765C   Card Guessing 0 / 0 10
219 P1765F   Chemistry Lab 0 / 0 8
208 P1766C   Hamiltonian Wall 0 / 0 4
206 P1766E   Decomposition 0 / 0 8
202 P1767C   Count Binary Strings 0 / 0 7
201 P1767D   Playoff 0 / 0 5
200 P1767E   Algebra Flash 0 / 0 9
193 P1768F   Wonderful Jump 0 / 0 10
188 P1770E   Koxia and Tree 0 / 0 9
187 P1770F   Koxia and Sequence 0 / 0 10
183 P1771B   Hossam and Friends 0 / 0 4
181 P1771D   Hossam and (sub-)palindromic tree 0 / 0 7
180 P1771E   Hossam and a Letter 0 / 0 9
172 P1773G   Game of Questions 0 / 0 10
167 P1773L   Lisa's Sequences 0 / 0 10
164 P1774C   Ice and Fire 0 / 0 4
162 P1774E   Two Chess Pieces 0 / 0 6
159 P1774G   Segment Covering 0 / 0 10
151 P1775F   Laboratory on Pluto 0 / 0 9
149 P1776B   Vittorio Plays with LEGO Bricks 0 / 0 8
146 P1776E   Crossing the Railways 0 / 0 10
140 P1776K   Uniform Chemistry 0 / 0 10
138 P1776M   Parmigiana With Seafood 0 / 0 10
133 P1777D   Score of a Tree 0 / 0 6
127 P1778D   Flexible String Revisit 0 / 0 7
125 P1778F   Maximizing Root 0 / 3 10
121 P1779D   Boris and His Amazing Haircut 0 / 0 5
119 P1779F   Xorcerer's Stones 0 / 0 9
112 P1780F   Three Chairs 0 / 0 8
105 P1781F   Bracket Insertion 0 / 0 10
98 P1783D   Different Arrays 0 / 0 7
91 P1784D   Wooden Spoon 0 / 0 9
90 P1784E   Infinite Game 0 / 0 10
83 P1787C   Remove the Bracket 0 / 0 5
78 P1787H   Codeforces Scoreboard 0 / 0 10
72 P1788E   Sum Over Zero 0 / 0 8
68 P1789C   Serval and Toxel's Arrays 0 / 0 5
66 P1789E   Serval and Music Game 0 / 0 9
65 P1789F   Serval and Brain Power 0 / 0 10
53 P1791E   Negatives and Positives 0 / 0 3
45 P1792E   Divisors and Table 0 / 0 9
44 P1792F1   Graph Coloring (easy version) 0 / 0 10
43 P1792F2   Graph Coloring (hard version) 0 / 0 10
39 P1793D   Moscow Gorillas 0 / 0 6
38 P1793E   Velepin and Marketing 0 / 0 10
33 P1794D   Counting Factorizations 0 / 0 (无)
32 P1794E   Labeling the Tree with Distances 0 / 0 (无)
27 P1795E   Explosions? 0 / 0 8
21 P1796D   Maximum Subarray 0 / 0 7
20 P1796E   Colored Subgraphs 0 / 0 9
7800 P1798E   Multitest Generator 0 / 0 8
7799 P1798F   Gifts from Grandfather Ahmed 0 / 0 9
15 P1799D1   Hot Start Up (easy version) 0 / 0 (无)
14 P1799D2   Hot Start Up (hard version) 0 / 0 (无)
12 P1799F   Halve or Subtract 0 / 0 (无)
11 P1799G   Count Voting 0 / 0 (无)
10 P1799H   Tree Cutting 0 / 0 (无)
3778 P1801C   Music Festival 0 / 0 (无)
3777 P1801D   The way home 0 / 0 (无)
3775 P1801F   Another n-dimensional chocolate bar 0 / 0 (无)
3768 P1804D   Accommodation 0 / 0 (无)
3767 P1804E   Routing 0 / 0 (无)
3764 P1804H   Code Lock 0 / 0 (无)
7795 P1805D   A Wide, Wide Graph 0 / 0 (无)
7794 P1805E   There Should Be a Lot of Maximums 0 / 0 (无)
6344 P1806D   DSU Master 0 / 0 9
6334 P1807G1   Subsequence Addition (Easy Version) 0 / 0 (无)
6333 P1807G2   Subsequence Addition (Hard Version) 0 / 0 (无)
7789 P1808C   Unlucky Numbers 0 / 0 6
7787 P1808E1   Minibuses on Venus (easy version) 0 / 0 8
7786 P1808E2   Minibuses on Venus (medium version) 0 / 0 9
7785 P1808E3   Minibuses on Venus (hard version) 0 / 0 10
7780 P1809E   Two Tanks 0 / 0 9
7778 P1809G   Prediction 0 / 0 10
7771 P1810G   The Maximum Prefix 0 / 0 10
8553 P1811E   Living Sequence 0 / 0 5
8551 P1811G1   Vlad and the Nice Paths (easy version) 0 / 0 7
8550 P1811G2   Vlad and the Nice Paths (hard version) 0 / 0 8
8545 P1814E   Chain Chips 0 / 0 8
8540 P1815D   XOR Counting 0 / 0 10
8539 P1815E   Bosco and Particle 0 / 0 10
8583 P1819C   The Fox and the Complete Tree Traversal 0 / 0 9
8582 P1819D   Misha and Apples 0 / 0 10
8580 P1819F   Willy-nilly, Crack, Into Release! 0 / 0 10
8573 P1821E   Rearrange Brackets 0 / 0 7
8572 P1821F   Timber 0 / 0 10
8566 P1822F   Gardening Friends 0 / 0 5
8559 P1823E   Removing Graph 0 / 0 9
8558 P1823F   Random Walk 0 / 0 10
8649 P1824C   LuoTianyi and XOR-Tree 0 / 0 9

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