data structures - Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	4907	P1085G Beautiful Matrix combinatorics data structures dp *2900	0 / 0	10
	4900	P1088F Ehab and a weird weight formula data structures trees *2800	0 / 0	10
	4889	P1089K King Kog's Reception data structures *2400	0 / 0	9
	4884	P1090C New Year Presents constructive algorithms data structures *2400	0 / 0	9
	4869	P1091E New Year and the Acquaintance Estimation binary search data structures graphs greedy implementation math sortings *2400	0 / 0	9
	4861	P1092D2 Great Vova Wall (Version 2) data structures implementation *2200	0 / 0	8
	4854	P1093E Intersection of Permutations data structures *2400	0 / 0	9
	4852	P1093G Multidimensional Queries bitmasks data structures *2300	0 / 0	8
	4827	P1098D Eels data structures *2800	0 / 0	10
	4821	P1099F Cookies binary search data structures dfs and similar dp games trees *2400	0 / 0	9
	4819	P1100B Build a Contest data structures implementation *1300	0 / 0	4
	4815	P1100F Ivan and Burgers data structures divide and conquer greedy math *2500	0 / 1	9
	4811	P1101D GCD Counting data structures dfs and similar dp number theory trees *2000	0 / 0	7
	4795	P1104B Game with string data structures implementation math *1200	0 / 0	4
	4788	P1106B Lunar New Year and Food Ordering data structures implementation *1500	0 / 0	5
	4786	P1106D Lunar New Year and a Wander data structures dfs and similar graphs greedy shortest paths *1500	0 / 0	5
	4785	P1106E Lunar New Year and Red Envelopes data structures dp *2100	0 / 0	7
	4777	P1107G Vasya and Maximum Profit binary search constructive algorithms data structures dp dsu *2400	2 / 7	9
	4771	P1108E2 Array and Segments (Hard version) data structures implementation *2100	0 / 0	7
	4767	P1109C Sasha and a Patient Friend binary search data structures implementation *2800	0 / 0	10
	4765	P1109E Sasha and a Very Easy Test data structures number theory *2700	0 / 0	10
	4764	P1109F Sasha and Algorithm of Silence's Sounds data structures trees *3200	0 / 0	10
	4758	P1110F Nearest Leaf data structures trees *2600	0 / 0	10
	4751	P1111E Tree data structures dfs and similar dp graphs trees *2500	0 / 0	9
	4743	P1114F Please, another Queries on Array? bitmasks data structures divide and conquer math number theory *2400	0 / 0	9
	4717	P1117G Recursive Queries data structures *2500	0 / 0	9
	4703	P1119F Niyaz and Small Degrees data structures dp trees *3400	0 / 0	10
	4695	P1120F Secret Letters data structures dp greedy *3100	0 / 0	10
	4688	P1129C Morse Code binary search data structures dp hashing sortings string suffix structures strings *2400	0 / 0	9
	4687	P1129D Isolation data structures dp *2900	0 / 0	10
	4676	P1131G Most Dangerous Shark data structures dp two pointers *2700	0 / 0	10
	4669	P1132G Greedy Subsequences data structures dp trees *2400	0 / 0	9
	4657	P1136E Nastya Hasn't Written a Legend binary search data structures *2200	0 / 0	8
	4652	P1137E Train Car Selection data structures greedy *2700	0 / 0	10
	4651	P1137F Matches Are Not a Child's Play data structures trees *3400	0 / 0	10
	4643	P1139F Dish Shopping data structures divide and conquer *2500	0 / 0	9
	4640	P1140C Playlist brute force data structures sortings *1600	0 / 0	5
	4637	P1140F Extending Set of Points data structures divide and conquer dsu *2600	0 / 0	10
	4636	P1140G Double Tree data structures divide and conquer shortest paths trees *2700	0 / 0	10
	4629	P1141F2 Same Sum Blocks (Hard) data structures greedy *1900	0 / 0	6
	4626	P1142B Lynyrd Skynyrd data structures dfs and similar dp math trees *2000	0 / 0	7
	4601	P1146E Hot is Cold bitmasks data structures divide and conquer implementation *2400	0 / 0	9
	4584	P1148H Holy Diver data structures *3500	0 / 0	10
	4581	P1149C Tree Generator™ data structures implementation trees *2700	0 / 0	10
	4572	P1151E Number of Components combinatorics data structures dp math *2100	0 / 0	7
	4553	P1154E Two Teams data structures implementation sortings *1800	0 / 0	6
	4547	P1155D Beautiful Array brute force data structures divide and conquer dp greedy *1900	0 / 0	6
	4540	P1156E Special Segments of Permutation data structures divide and conquer dsu two pointers *2200	0 / 0	8
	4532	P1157E Minimum Array binary search data structures greedy *1700	0 / 0	5
	4527	P1158C Permutation recovery constructive algorithms data structures dfs and similar graphs greedy math sortings *2100	0 / 0	7
	4517	P1163B1 Cat Party (Easy Edition) data structures implementation *1500	0 / 0	5
	4516	P1163B2 Cat Party (Hard Edition) data structures implementation *1600	0 / 0	5
	4514	P1163C2 Power Transmission (Hard Edition) data structures geometry implementation math *1900	0 / 0	6
	4512	P1163E Magical Permutation bitmasks brute force constructive algorithms data structures graphs math *2400	0 / 0	9
	4511	P1163F Indecisive Taxi Fee data structures graphs shortest paths *3000	0 / 0	10
	4509	P1165B Polycarp Training data structures greedy sortings *1000	0 / 0	3
	4498	P1166F Vicky's Delivery Service data structures dsu graphs hashing *2400	0 / 0	9
	4493	P1167E Range Deleting binary search combinatorics data structures two pointers *2100	0 / 0	7
	4492	P1167F Scalar Queries combinatorics data structures math sortings *2300	0 / 0	8
	4480	P1170D Decoding of Integer Sequences *special problem data structures implementation	0 / 0	(None)
	4469	P1172E Nauuo and ODT data structures *3300	0 / 0	10
	4468	P1172F Nauuo and Bug data structures *3300	0 / 0	10
	4458	P1175B Catch Overflow! data structures expression parsing implementation *1600	12 / 53	5
	4455	P1175E Minimal Segment Cover data structures dfs and similar divide and conquer dp greedy implementation trees *2200	4 / 11	8
	4454	P1175F The Number of Subpermutations brute force data structures divide and conquer hashing math *2500	1 / 3	9
	4453	P1175G Yet Another Partiton Problem data structures divide and conquer dp geometry two pointers *3000	0 / 0	10
	4437	P1178G The Awesomest Vertex data structures dfs and similar *3000	0 / 0	10
	4435	P1179A Valeriy and Deque data structures implementation *1500	0 / 0	5
	4433	P1179C Serge and Dining Room binary search data structures graph matchings greedy implementation math trees *2200	0 / 0	8
	4432	P1179D Fedor Runs for President data structures dp trees *2700	0 / 0	10
	4425	P1181D Irrigation binary search data structures implementation sortings trees two pointers *2200	0 / 0	8
	4420	P1182C Beautiful Lyrics data structures greedy strings *1700	0 / 0	5
	4417	P1182F Maximum Sine binary search data structures number theory *2700	0 / 0	10
	4401	P1184C2 Heidi and the Turing Test (Medium) data structures *2200	0 / 0	8
	4395	P1184E3 Daleks' Invasion (hard) data structures dsu graphs trees *2400	0 / 0	9
	4391	P1185C2 Exam in BerSU (hard version) brute force data structures greedy math *1700	0 / 0	5
	4377	P1187D Subarray Sorting data structures sortings *2400	0 / 0	9
	4365	P1189C Candies! data structures dp implementation math *1400	0 / 0	4
	4361	P1190D Tokitsukaze and Strange Rectangle data structures divide and conquer sortings two pointers *2000	0 / 0	7
	4355	P1192B Dynamic Diameter *special problem data structures dfs and similar divide and conquer trees	0 / 0	(None)
	4352	P1193B Magic Tree *special problem data structures dp trees	0 / 0	(None)
	4346	P1194E Count The Rectangles bitmasks brute force data structures geometry sortings *2200	3 / 5	8
	4338	P1195E OpenStreetMap data structures two pointers *2100	0 / 0	7
	4337	P1195F Geometers Anonymous Club data structures geometry math sortings *2500	0 / 0	9
	4332	P1196D2 RGB Substring (hard version) data structures dp implementation two pointers *1600	0 / 0	5
	4325	P1197E Culture Code binary search combinatorics data structures dp shortest paths sortings *2300	0 / 0	8
	4322	P1198B Welfare State binary search brute force data structures sortings *1600	0 / 0	5
	4315	P1200A Hotelier brute force data structures implementation *800	0 / 0	3
	4312	P1200D White Lines brute force data structures dp implementation two pointers *1900	0 / 0	6
	4310	P1200F Graph Traveler brute force data structures dfs and similar dp graphs implementation math number theory *2300	0 / 0	8
	4301	P1202C You Are Given a WASD-string... brute force data structures dp greedy implementation math strings *2100	0 / 0	7
	4285	P1204D2 Kirk and a Binary String (hard version) data structures greedy math strings *2100	0 / 0	7
	4270	P1207F Remainder Problem brute force data structures implementation *2100	3 / 3	7
	4269	P1207G Indie Album data structures dfs and similar hashing string suffix structures strings trees *2700	1 / 2	10
	4265	P1208D Restore Permutation binary search data structures greedy implementation *1900	0 / 0	6
	4264	P1208E Let Them Slide data structures implementation *2200	0 / 0	8
	4261	P1208H Red Blue Tree data structures implementation trees *3500	0 / 0	10
	4254	P1209F Koala and Notebook data structures dfs and similar graphs shortest paths strings trees *2600	0 / 0	10
	4253	P1209G1 Into Blocks (easy version) data structures dsu greedy implementation two pointers *2000	0 / 0	7
	4252	P1209G2 Into Blocks (hard version) data structures *3200	0 / 0	10

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