constructive algorithms - Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	7648	P484A Bits bitmasks constructive algorithms *1700	0 / 0	5
	7644	P484E Sign on Fence binary search constructive algorithms data structures *2500	0 / 0	9
	7634	P487C Prefix Product Sequence constructive algorithms math number theory *2300	0 / 0	8
	7630	P488B Candy Boxes brute force constructive algorithms math *1900	0 / 0	6
	7617	P491A Up the hill constructive algorithms implementation *1000	0 / 0	3
	7606	P493D Vasya and Chess constructive algorithms games math *1700	0 / 0	5
	7596	P496B Secret Combination brute force constructive algorithms implementation *1500	0 / 0	5
	7595	P496C Removing Columns brute force constructive algorithms implementation *1500	0 / 0	5
	7581	P500C New Year Book Reading constructive algorithms greedy implementation math *1600	0 / 0	5
	7574	P501C Misha and Forest constructive algorithms data structures greedy sortings trees *1500	0 / 0	5
	7555	P508C Anya and Ghosts constructive algorithms greedy *1600	0 / 0	5
	7551	P509B Painting Pebbles constructive algorithms greedy implementation *1300	0 / 0	4
	7549	P509D Restoring Numbers constructive algorithms math *2200	0 / 0	8
	7540	P512E Fox And Polygon constructive algorithms divide and conquer *2900	0 / 0	10
	7539	P513A Game constructive algorithms math *800	0 / 0	3
	7534	P513D2 Constrained Tree constructive algorithms data structures *2600	0 / 0	10
	7505	P515D Drazil and Tiles constructive algorithms greedy *2000	0 / 0	7
	7498	P518A Vitaly and Strings constructive algorithms strings *1600	0 / 0	5
	7493	P518C Anya and Smartphone constructive algorithms data structures implementation *1600	0 / 0	5
	7461	P525B Pasha and String constructive algorithms greedy math strings *1400	0 / 0	4
	7459	P525D Arthur and Walls constructive algorithms data structures graphs greedy shortest paths *2400	0 / 0	9
	7417	P533E Correcting Mistakes constructive algorithms dp greedy hashing strings two pointers *1800	0 / 0	6
	7415	P534A Exam constructive algorithms implementation math *1100	0 / 0	3
	7412	P534D Handshakes binary search constructive algorithms data structures greedy *1900	0 / 0	6
	7411	P534E Berland Local Positioning System constructive algorithms greedy hashing implementation *2400	0 / 0	9
	7401	P538B Quasi Binary constructive algorithms dp greedy implementation *1400	0 / 0	4
	7399	P538D Weird Chess brute force constructive algorithms implementation *1800	0 / 0	6
	7396	P538G Berserk Robot constructive algorithms math sortings *3100	0 / 0	10
	7387	P542C Idempotent functions constructive algorithms graphs math *2000	0 / 0	7
	7382	P543B Destroying Roads constructive algorithms graphs shortest paths *2100	0 / 0	7
	7379	P543E Listening to Music constructive algorithms data structures *3200	0 / 0	10
	7377	P544B Sea and Islands constructive algorithms implementation *1400	0 / 0	4
	7368	P546D Soldier and Number Game constructive algorithms dp math number theory *1700	0 / 0	5
	7363	P547D Mike and Fish constructive algorithms dfs and similar graphs *2600	0 / 0	10
	7358	P549B Looksery Party constructive algorithms dfs and similar graphs greedy *2300	0 / 0	8
	7353	P549G Happy Line constructive algorithms greedy sortings *2200	0 / 0	8
	7348	P550D Regular Bridge constructive algorithms graphs implementation *1900	0 / 0	6
	7347	P550E Brackets in Implications constructive algorithms greedy implementation math *2200	0 / 0	8
	7345	P551B ZgukistringZ brute force constructive algorithms implementation strings *1800	0 / 0	6
	7335	P553B Kyoya and Permutation binary search combinatorics constructive algorithms greedy implementation math *1900	0 / 0	6
	7321	P557B Pasha and Tea constructive algorithms implementation math sortings *1500	0 / 0	5
	7306	P560B Gerald is into Art constructive algorithms implementation *1200	0 / 0	4
	7304	P566B Replicating Processes constructive algorithms greedy *2600	0 / 0	10
	7301	P566E Restoring Map bitmasks constructive algorithms trees *3200	0 / 0	10
	7284	P570B Simple Game constructive algorithms games greedy implementation math *1300	0 / 1	4
	7283	P570C Replacement constructive algorithms data structures implementation *1600	0 / 0	5
	7282	P570D Tree Requests binary search bitmasks constructive algorithms dfs and similar graphs trees *2200	0 / 0	8
	7278	P571C CNF 2 constructive algorithms dfs and similar graphs greedy *2500	0 / 0	9
	7271	P573C Bear and Drawing constructive algorithms dfs and similar trees *2300	0 / 0	8
	7263	P575D Tablecity constructive algorithms implementation *1700	0 / 0	5
	7256	P576B Invariance of Tree constructive algorithms dfs and similar greedy trees *2100	0 / 0	7
	7255	P576C Points on Plane constructive algorithms divide and conquer geometry greedy sortings *2100	0 / 0	7
	7246	P578E Walking! constructive algorithms greedy *2700	0 / 0	10
	7234	P581D Three Logos bitmasks brute force constructive algorithms geometry implementation math *1700	0 / 0	5
	7231	P582A GCD Table constructive algorithms greedy number theory *1700	1 / 1	5
	7230	P582B Once Again... constructive algorithms dp matrices *1900	0 / 0	6
	7222	P584C Marina and Vasya constructive algorithms greedy strings *1700	0 / 0	5
	7220	P584E Anton and Ira constructive algorithms greedy math *2300	0 / 0	8
	7189	P593C Beautiful Function constructive algorithms math *2200	0 / 0	8
	7181	P595A Vitaly and Night constructive algorithms implementation *800	0 / 0	3
	7158	P600C Make Palindrome constructive algorithms greedy strings *1800	0 / 0	6
	7140	P605A Sorting Railway Cars constructive algorithms greedy *1600	0 / 0	5
	7139	P605B Lazy Student constructive algorithms data structures graphs *1700	0 / 0	5
	7125	P609B The Best Gift constructive algorithms implementation *1100	0 / 0	3
	7119	P610B Vika and Squares constructive algorithms implementation *1300	0 / 0	4
	7118	P610C Harmony Analysis constructive algorithms *1800	0 / 0	6
	7117	P610D Vika and Segments constructive algorithms data structures geometry two pointers *2300	0 / 0	8
	7108	P611H New Year and Forgotten Tree constructive algorithms flows graphs *3200	0 / 0	10
	7103	P612E Square Root of Permutation combinatorics constructive algorithms dfs and similar graphs math *2200	0 / 0	8
	7099	P613C Necklace constructive algorithms math *2500	0 / 0	9
	7080	P617D Polyline constructive algorithms implementation *1700	0 / 0	5
	7077	P618B Guess the Permutation constructive algorithms *1100	0 / 0	3
	7073	P618F Double Knapsack constructive algorithms two pointers *3000	0 / 0	10
	7062	P621D Rat Kwesh and Cheese brute force constructive algorithms math *2400	0 / 0	9
	7057	P622D Optimal Number Permutation constructive algorithms *1900	0 / 0	6
	7054	P623A Graph and String constructive algorithms graphs *1800	0 / 0	6
	7046	P625B War of the Corporations constructive algorithms greedy strings *1200	0 / 0	4
	7045	P625C K-special Tables constructive algorithms implementation *1300	0 / 0	4
	7044	P625D Finals in arithmetic constructive algorithms implementation math *2400	0 / 0	9
	7041	P626B Cards constructive algorithms dp math *1300	0 / 0	4
	7023	P629A Far Relative’s Birthday Cake brute force combinatorics constructive algorithms implementation *800	0 / 0	3
	6999	P631B Print Check constructive algorithms implementation *1200	0 / 0	4
	6994	P632B Alice, Bob, Two Teams brute force constructive algorithms *1400	0 / 0	4
	6988	P633B A Trivial Problem brute force constructive algorithms math number theory *1300	0 / 0	4
	6985	P633E Startup Funding binary search constructive algorithms data structures probabilities two pointers *2400	0 / 0	9
	6981	P634A Island Puzzle constructive algorithms implementation *1300	0 / 0	4
	6979	P637A Voting for Photos special problem constructive algorithms implementation 1000	0 / 0	3
	6978	P637B Chat Order special problem binary search constructive algorithms data structures sortings 1200	0 / 0	4
	6977	P637C Promocodes with Mistakes special problem brute force constructive algorithms implementation 1400	0 / 0	4
	6975	P638A Home Numbers special problem constructive algorithms math 1100	0 / 0	3
	6970	P639B Bear and Forgotten Tree 3 constructive algorithms graphs trees *1600	0 / 0	5
	6963	P641C Little Artem and Dance brute force constructive algorithms implementation *1800	0 / 0	6
	6957	P643B Bear and Two Paths constructive algorithms graphs *1600	0 / 0	5
	6951	P644A Parliament of Berland special problem constructive algorithms 1000	0 / 0	3
	6950	P644B Processing Queries special problem constructive algorithms data structures two pointers 1700	0 / 0	5
	6948	P645A Amity Assessment brute force constructive algorithms implementation *1200	0 / 0	4
	6929	P652F Ants on a Circle constructive algorithms math *2800	0 / 0	10
	6912	P659B Qualifying Contest constructive algorithms sortings *1300	0 / 0	4
	6878	P662D International Olympiad constructive algorithms greedy implementation math *2000	0 / 0	7
	6876	P663A Rebus constructive algorithms expression parsing greedy math *1800	0 / 0	6

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