data structures - Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	549	P1762F Good Pairs binary search data structures dp *2600	0 / 0	10
	544	P1763B Incinerate binary search brute force data structures implementation math sortings *1200	1 / 1	4
	535	P1763F Edge Queries data structures dfs and similar dp dsu graphs trees *3000	0 / 0	10
	518	P1764H Doremy's Paint 2 data structures *3400	0 / 0	10
	496	P1765L Project Manager brute force data structures implementation *2400	0 / 0	9
	482	P1766E Decomposition binary search brute force data structures divide and conquer dp two pointers *2300	0 / 0	8
	478	P1767B Block Towers data structures greedy sortings *800	0 / 0	3
	477	P1767C Count Binary Strings data structures dp *2100	0 / 0	7
	474	P1767F Two Subtrees data structures trees *3100	0 / 0	10
	458	P1770D Koxia and Game constructive algorithms data structures dfs and similar dsu flows games graph matchings graphs implementation *2000	0 / 0	7
	441	P1771D Hossam and (sub-)palindromic tree brute force data structures dfs and similar dp strings trees *2100	0 / 0	7
	438	P1771F Hossam and Range Minimum Query binary search bitmasks data structures hashing probabilities strings trees *2500	0 / 0	9
	411	P1774F1 Magician and Pigs (Easy Version) brute force data structures implementation *2400	0 / 0	9
	410	P1774F2 Magician and Pigs (Hard Version) binary search brute force data structures implementation *2700	0 / 0	10
	407	P1774G Segment Covering brute force combinatorics constructive algorithms data structures dp trees *3200	0 / 0	10
	390	P1776E Crossing the Railways data structures dp *3500	0 / 0	10
	367	P1777F Comfortably Numb bitmasks data structures divide and conquer strings trees *2400	0 / 0	9
	353	P1779C Least Prefix Sum data structures greedy *1600	0 / 0	5
	352	P1779D Boris and His Amazing Haircut constructive algorithms data structures dp dsu greedy sortings *1700	0 / 0	5
	338	P1780E Josuke and Complete Graph binary search brute force data structures math number theory *2400	0 / 0	9
	339	P1780F Three Chairs bitmasks brute force combinatorics data structures dp number theory sortings *2300	0 / 0	8
	330	P1781E Rectangle Shrinking binary search brute force data structures greedy implementation two pointers *2300	0 / 0	8
	316	P1783E Game of the Year brute force data structures math number theory *2300	0 / 0	8
	314	P1783G Weighed Tree Radius data structures divide and conquer implementation trees *2800	0 / 0	10
	311	P1784C Monsters (hard version) data structures greedy *2200	0 / 0	8
	295	P1787G Colorful Tree Again brute force data structures trees *3000	0 / 0	10
	293	P1787H Codeforces Scoreboard binary search data structures dp geometry *3300	0 / 0	10
	292	P1787I Treasure Hunt data structures divide and conquer two pointers *3400	0 / 0	10
	285	P1788E Sum Over Zero data structures dfs and similar dp *2200	0 / 0	8
	272	P1790D Matryoshkas data structures greedy sortings *1200	0 / 0	4
	261	P1791F Range Update Point Query binary search brute force data structures *1500	0 / 0	5
	252	P1792D Fixed Prefix Permutations binary search bitmasks data structures hashing math sortings *1700	0 / 0	5
	244	P1793C Dora and Search constructive algorithms data structures two pointers *1200	0 / 0	4
	241	P1793E Velepin and Marketing binary search data structures dp greedy sortings two pointers *2600	0 / 0	10
	239	P1793F Rebrending brute force data structures divide and conquer implementation *2600	0 / 0	10
	231	P1794E Labeling the Tree with Distances data structures dp greedy hashing implementation trees *2400	0 / 0	9
	227	P1795C Tea Tasting binary search data structures implementation *1500	0 / 0	5
	224	P1795E Explosions? binary search data structures dp greedy math *2200	0 / 0	8
	215	P1796D Maximum Subarray data structures dp greedy two pointers *2000	0 / 0	7
	206	P1797D Li Hua and Tree brute force data structures dfs and similar dp implementation trees *1900	0 / 0	6
	204	P1797E Li Hua and Array brute force data structures dsu math number theory two pointers *2300	0 / 0	8
	203	P1797F Li Hua and Path data structures dfs and similar divide and conquer dsu trees *3000	0 / 0	10
	199	P1798B Three Sevens brute force data structures greedy implementation *1000	0 / 0	3
	192	P1799A Recent Actions data structures greedy implementation math *800	0 / 0	3
	186	P1799D2 Hot Start Up (hard version) data structures dp *2100	0 / 0	7
	175	P1800C1 Powering the Hero (easy version) data structures greedy *1000	0 / 0	3
	174	P1800C2 Powering the Hero (hard version) data structures greedy *1100	0 / 0	3
	172	P1800D Remove Two Letters data structures greedy hashing strings *1200	0 / 0	4
	163	P1801B Buying gifts data structures greedy sortings *1800	0 / 0	6
	162	P1801C Music Festival binary search data structures dp greedy sortings *1900	0 / 0	6
	160	P1801D The way home binary search data structures dp graphs greedy shortest paths sortings *2100	0 / 0	7
	159	P1801E Gasoline prices data structures divide and conquer dsu hashing trees *3000	0 / 0	10
	155	P1801G A task for substrings data structures string suffix structures strings *3400	0 / 0	10
	143	P1804G Flow Control data structures dsu implementation *3500	0 / 0	10
	139	P1805C Place for a Selfie binary search data structures geometry math *1400	0 / 0	4
	137	P1805E There Should Be a Lot of Maximums brute force data structures dfs and similar dp trees two pointers *2300	0 / 0	8
	128	P1806E Tree Master brute force data structures dfs and similar trees *2200	0 / 0	8
	120	P1807D Odd Queries data structures implementation *900	0 / 0	3
	114	P1807G1 Subsequence Addition (Easy Version) brute force data structures dp greedy implementation sortings *1100	0 / 0	3
	106	P1808D Petya, Petya, Petr, and Palindromes binary search brute force data structures two pointers *2100	0 / 0	7
	86	P1809F Traveling in Berland binary search data structures graphs greedy implementation *2500	0 / 0	9
	77	P1810E Monsters brute force data structures dfs and similar dsu graphs greedy *2100	0 / 0	7
	75	P1810F M-tree data structures math sortings trees *2800	0 / 0	10
	60	P1811G2 Vlad and the Nice Paths (hard version) binary search combinatorics data structures dp math two pointers *2200	0 / 0	8
	53	P1814D Balancing Weapons binary search brute force data structures math two pointers *2500	0 / 0	9
	51	P1814E Chain Chips data structures dp matrices *2300	0 / 0	8
	9802	P1817A Almost Increasing Subsequence binary search data structures greedy *1500	0 / 0	5
	32	P1819D Misha and Apples brute force data structures dp two pointers *2800	0 / 0	10
	30	P1819F Willy-nilly, Crack, Into Release! data structures dp *3500	0 / 0	10
	9791	P1824C LuoTianyi and XOR-Tree bitmasks data structures dfs and similar dp dsu greedy trees	0 / 0	(None)
	9790	P1824D LuoTianyi and the Function data structures	0 / 0	(None)
	9789	P1824E LuoTianyi and Cartridge data structures trees	0 / 0	(None)
	9782	P1826E Walk the Runway bitmasks brute force data structures dp graphs implementation sortings	0 / 0	(None)
	9821	P1827B2 Range Sorting (Hard Version) binary search data structures dp greedy *2400	0 / 0	9
	9820	P1827C Palindrome Partition binary search brute force data structures dp hashing strings *2600	0 / 0	10
	9819	P1827D Two Centroids data structures dfs and similar greedy trees *2800	0 / 0	10
	9817	P1827F Copium Permutation constructive algorithms data structures greedy *3500	0 / 0	10
	9769	P1829G Hits Different data structures dp implementation math	0 / 0	(None)
	9843	P1830E Bully Sort data structures	0 / 0	(None)
	9842	P1830F The Third Grace data structures dp	0 / 0	(None)
	9834	P1833F Ira and Flamenco combinatorics constructive algorithms data structures implementation math sortings two pointers *1700	0 / 0	5
	9941	P1834E MEX of LCM binary search data structures implementation math number theory *2300	0 / 0	8
	9826	P1837F Editorial for Two binary search data structures greedy implementation	0 / 0	(None)
	9869	P1838D Bracket Walk data structures greedy strings *2100	0 / 0	7
	9863	P1839D Ball Sorting data structures dp sortings *2100	0 / 0	7
	9857	P1840E Character Blocking data structures hashing implementation *1600	0 / 0	5
	9850	P1841D Pairs of Segments data structures dp greedy sortings two pointers	0 / 1	10
	9849	P1841E Fill the Matrix binary search data structures greedy math string suffix structures	0 / 0	(None)
	9927	P1842E Tenzing and Triangle data structures dp geometry greedy math *2300	0 / 0	8
	9918	P1843E Tracking Segments binary search brute force data structures two pointers *1600	0 / 0	5
	9917	P1843F1 Omsk Metro (simple version) data structures dfs and similar dp graphs greedy math trees *1800	0 / 0	6
	9916	P1843F2 Omsk Metro (hard version) data structures dfs and similar divide and conquer dp math trees *2300	0 / 0	8
	9909	P1844F2 Min Cost Permutation (Hard Version) binary search constructive algorithms data structures greedy math sortings *2800	0 / 0	10
	9908	P1844G Tree Weights bitmasks constructive algorithms data structures dfs and similar implementation math matrices number theory trees *3000	0 / 0	10
	9907	P1844H Multiple of Three Cycles combinatorics data structures dp dsu math *3400	0 / 0	10
	9903	P1845D Rating System binary search brute force data structures dp dsu greedy math two pointers *1800	0 / 0	6
	9898	P1846C Rudolf and the Another Competition constructive algorithms data structures dp greedy sortings *1200	0 / 0	4
	9889	P1847D Professor Higashikata data structures dsu greedy implementation strings *1900	0 / 0	6
	9887	P1847F The Boss's Identity binary search bitmasks data structures dfs and similar greedy math sortings *2500	0 / 0	9
	9885	P1848B Vika and the Bridge binary search data structures greedy implementation math sortings *1200	0 / 0	4

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