ID	题目显示标签隐藏标签	AC / 尝试	难度
560	P1762F Good Pairs binary search data structures dp *2600	0 / 0	CTSC
557	P1763B Incinerate binary search brute force data structures implementation math sortings *1200	0 / 0	普及-
553	P1763F Edge Queries data structures dfs and similar dp dsu graphs trees *3000	0 / 0	CTSC
543	P1764H Doremy's Paint 2 data structures *3400	0 / 0	CTSC
531	P1765L Project Manager brute force data structures implementation *2400	0 / 0	NOI
524	P1766E Decomposition binary search brute force data structures divide and conquer dp two pointers *2300	0 / 0	省选
521	P1767B Block Towers data structures greedy sortings *800	0 / 0	普及-
520	P1767C Count Binary Strings data structures dp *2100	0 / 0	提高
517	P1767F Two Subtrees data structures trees *3100	0 / 0	CTSC
507	P1770D Koxia and Game constructive algorithms data structures dfs and similar dsu flows games graph matchings graphs implementation *2000	0 / 0	提高
499	P1771D Hossam and (sub-)palindromic tree brute force data structures dfs and similar dp strings trees *2100	0 / 0	提高
497	P1771F Hossam and Range Minimum Query binary search bitmasks data structures hashing probabilities strings trees *2500	0 / 0	NOI
412	P1774F1 Magician and Pigs (Easy Version) brute force data structures implementation *2400	0 / 0	NOI
411	P1774F2 Magician and Pigs (Hard Version) binary search brute force data structures implementation *2700	0 / 0	CTSC
410	P1774G Segment Covering brute force combinatorics constructive algorithms data structures dp trees *3200	0 / 0	CTSC
397	P1776E Crossing the Railways data structures dp *3500	0 / 0	CTSC
382	P1777F Comfortably Numb bitmasks data structures divide and conquer strings trees *2400	0 / 0	NOI
373	P1779C Least Prefix Sum data structures greedy *1600	0 / 0	普及
372	P1779D Boris and His Amazing Haircut constructive algorithms data structures dp dsu greedy sortings *1700	0 / 0	普及
364	P1780E Josuke and Complete Graph binary search brute force data structures math number theory *2400	0 / 0	NOI
363	P1780F Three Chairs bitmasks brute force combinatorics data structures dp number theory sortings *2300	0 / 0	省选
357	P1781E Rectangle Shrinking binary search brute force data structures greedy implementation two pointers *2300	0 / 0	省选
348	P1783E Game of the Year brute force data structures math number theory *2300	0 / 0	省选
346	P1783G Weighed Tree Radius data structures divide and conquer implementation trees *2800	0 / 0	CTSC
343	P1784C Monsters (hard version) data structures greedy *2200	0 / 0	省选
330	P1787G Colorful Tree Again brute force data structures trees *3000	0 / 0	CTSC
329	P1787H Codeforces Scoreboard binary search data structures dp geometry *3300	0 / 0	CTSC
328	P1787I Treasure Hunt data structures divide and conquer two pointers *3400	0 / 0	CTSC
323	P1788E Sum Over Zero data structures dfs and similar dp *2200	0 / 0	省选
312	P1790D Matryoshkas data structures greedy sortings *1200	0 / 0	普及-
303	P1791F Range Update Point Query binary search brute force data structures *1500	0 / 0	普及
297	P1792D Fixed Prefix Permutations binary search bitmasks data structures hashing math sortings *1700	0 / 0	普及
291	P1793C Dora and Search constructive algorithms data structures two pointers *1200	0 / 0	普及-
289	P1793E Velepin and Marketing binary search data structures dp greedy sortings two pointers *2600	0 / 0	CTSC
288	P1793F Rebrending brute force data structures divide and conquer implementation *2600	0 / 0	CTSC
283	P1794E Labeling the Tree with Distances data structures dp greedy hashing implementation trees *2400	0 / 0	NOI
280	P1795C Tea Tasting binary search data structures implementation *1500	0 / 0	普及
278	P1795E Explosions? binary search data structures dp greedy math *2200	0 / 0	省选
272	P1796D Maximum Subarray data structures dp greedy two pointers *2000	0 / 0	提高
266	P1797D Li Hua and Tree brute force data structures dfs and similar dp implementation trees *1900	0 / 0	普及
265	P1797E Li Hua and Array brute force data structures dsu math number theory two pointers *2300	0 / 0	省选
264	P1797F Li Hua and Path data structures dfs and similar divide and conquer dsu trees *3000	0 / 0	CTSC
262	P1798B Three Sevens brute force data structures greedy implementation *1000	0 / 0	普及-
257	P1799A Recent Actions data structures greedy implementation math *800	0 / 0	普及-
253	P1799D2 Hot Start Up (hard version) data structures dp *2100	0 / 0	提高
246	P1800C1 Powering the Hero (easy version) data structures greedy *1000	0 / 0	普及-
245	P1800C2 Powering the Hero (hard version) data structures greedy *1100	0 / 0	普及-
244	P1800D Remove Two Letters data structures greedy hashing strings *1200	0 / 0	普及-
238	P1801B Buying gifts data structures greedy sortings *1800	0 / 0	普及
237	P1801C Music Festival binary search data structures dp greedy sortings *1900	0 / 0	普及
236	P1801D The way home binary search data structures dp graphs greedy shortest paths sortings *2100	0 / 0	提高
235	P1801E Gasoline prices data structures divide and conquer dsu hashing trees *3000	0 / 0	CTSC
233	P1801G A task for substrings data structures string suffix structures strings *3400	0 / 0	CTSC
224	P1804G Flow Control data structures dsu implementation *3500	0 / 0	CTSC
220	P1805C Place for a Selfie binary search data structures geometry math *1400	0 / 0	普及-
218	P1805E There Should Be a Lot of Maximums brute force data structures dfs and similar dp trees two pointers *2300	0 / 0	省选
211	P1806E Tree Master brute force data structures dfs and similar trees *2200	0 / 0	省选
205	P1807D Odd Queries data structures implementation *900	0 / 0	普及-
202	P1807G1 Subsequence Addition (Easy Version) brute force data structures dp greedy implementation sortings *1100	0 / 0	普及-
197	P1808D Petya, Petya, Petr, and Palindromes binary search brute force data structures two pointers *2100	0 / 0	提高
188	P1809F Traveling in Berland binary search data structures graphs greedy implementation *2500	0 / 0	NOI
182	P1810E Monsters brute force data structures dfs and similar dsu graphs greedy *2100	0 / 0	提高
181	P1810F M-tree data structures math sortings trees *2800	0 / 0	CTSC
171	P1811G2 Vlad and the Nice Paths (hard version) binary search combinatorics data structures dp math two pointers *2200	0 / 0	省选
167	P1814D Balancing Weapons binary search brute force data structures math two pointers *2500	0 / 0	NOI
166	P1814E Chain Chips data structures dp matrices *2300	0 / 0	省选
156	P1817A Almost Increasing Subsequence binary search data structures greedy *1500	0 / 0	普及
145	P1819D Misha and Apples brute force data structures dp two pointers *2800	0 / 0	CTSC
143	P1819F Willy-nilly, Crack, Into Release! data structures dp *3500	0 / 0	CTSC
128	P1822G1 Magic Triples (Easy Version) brute force data structures math number theory *1700	0 / 0	普及
127	P1822G2 Magic Triples (Hard Version) brute force data structures math number theory *2200	0 / 0	省选
117	P1824C LuoTianyi and XOR-Tree data structures dfs and similar dp dsu greedy trees *2500	0 / 1	NOI
116	P1824D LuoTianyi and the Function data structures *3000	0 / 0	CTSC
115	P1824E LuoTianyi and Cartridge data structures trees *3500	0 / 0	CTSC
108	P1826E Walk the Runway bitmasks brute force data structures dp graphs implementation sortings *2400	0 / 0	NOI
104	P1827B2 Range Sorting (Hard Version) binary search data structures dp greedy *2400	0 / 0	NOI
103	P1827C Palindrome Partition binary search brute force data structures dp hashing strings *2600	0 / 0	CTSC
102	P1827D Two Centroids data structures dfs and similar greedy trees *2800	0 / 0	CTSC
100	P1827F Copium Permutation constructive algorithms data structures greedy *3500	0 / 0	CTSC
91	P1829G Hits Different data structures dp implementation math *1600	0 / 0	普及
85	P1830E Bully Sort data structures math *3500	0 / 0	CTSC
84	P1830F The Third Grace data structures dp *3200	0 / 0	CTSC
69	P1833F Ira and Flamenco combinatorics constructive algorithms data structures implementation math sortings two pointers *1700	0 / 0	普及
64	P1834D Survey in Class brute force data structures greedy implementation sortings *1900	0 / 0	普及
63	P1834E MEX of LCM binary search data structures implementation math number theory *2300	0 / 0	省选
48	P1837F Editorial for Two binary search data structures greedy implementation *2400	0 / 0	NOI
44	P1838D Bracket Walk data structures greedy strings *2100	0 / 0	提高
38	P1839D Ball Sorting data structures dp sortings *2100	0 / 0	提高
32	P1840E Character Blocking data structures hashing implementation *1600	0 / 0	普及
25	P1841D Pairs of Segments data structures greedy sortings two pointers *2000	0 / 0	提高
24	P1841E Fill the Matrix data structures greedy math *2200	0 / 0	省选
18	P1842E Tenzing and Triangle data structures dp geometry greedy math *2300	0 / 0	省选
9	P1843E Tracking Segments binary search brute force data structures two pointers *1600	0 / 0	普及
8	P1843F1 Omsk Metro (simple version) data structures dfs and similar dp graphs greedy math trees *1800	0 / 0	普及
7	P1843F2 Omsk Metro (hard version) data structures dfs and similar divide and conquer dp math trees *2300	0 / 0	省选
486	P1844F2 Min Cost Permutation (Hard Version) binary search constructive algorithms data structures greedy math sortings *2800	0 / 0	CTSC
485	P1844G Tree Weights bitmasks constructive algorithms data structures dfs and similar implementation math matrices number theory trees *3000	0 / 0	CTSC
484	P1844H Multiple of Three Cycles combinatorics data structures dp dsu math *3400	0 / 0	CTSC
3	P1845D Rating System binary search brute force data structures dp dsu greedy math two pointers	0 / 0	暂无评定
481	P1846C Rudolf and the Another Competition constructive algorithms data structures dp greedy sortings *1200	0 / 0	普及-

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