implementation - Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	9202	P117A Elevator implementation math *1300	0 / 0	4
	9198	P117E Tree or not Tree data structures divide and conquer implementation trees *2900	0 / 0	10
	9197	P118A String Task implementation strings *1000	0 / 0	3
	9196	P118B Present from Lena constructive algorithms implementation *1000	0 / 0	3
	9192	P119A Epic Game implementation *800	0 / 0	3
	9191	P119B Before Exam constructive algorithms implementation sortings *1900	0 / 0	6
	9187	P120A Elevator brute force implementation math *1000	0 / 0	3
	9186	P120B Quiz League implementation *1100	0 / 0	3
	9185	P120C Winnie-the-Pooh and honey implementation math *1100	0 / 0	3
	9181	P120G Boom implementation *1800	0 / 0	6
	9177	P121A Lucky Sum implementation *1100	0 / 0	3
	9174	P121D Lucky Segments binary search implementation two pointers *2500	0 / 0	9
	9171	P122B Lucky Substring brute force implementation *1000	0 / 0	3
	9170	P123A Prime Permutation implementation number theory strings *1300	0 / 0	4
	9164	P124B Permutations brute force combinatorics implementation *1400	0 / 0	4
	9162	P125B Simple XML implementation *1000	0 / 0	3
	9152	P127B Canvas Frames implementation *1000	0 / 0	3
	9150	P128B String brute force constructive algorithms hashing implementation string suffix structures strings *2100	0 / 0	7
	9148	P128D Numbers constructive algorithms implementation *2000	0 / 0	7
	9146	P129A Cookies implementation *900	0 / 0	3
	9145	P129B Students and Shoelaces brute force dfs and similar graphs implementation *1200	0 / 0	4
	9144	P130A Hexagonal numbers special problem implementation 900	0 / 0	3
	9143	P130B Gnikool Ssalg special problem implementation strings 1400	0 / 0	4
	9134	P131A cAPS lOCK implementation strings *1000	0 / 0	3
	9133	P131B Opposites Attract implementation math *1200	0 / 0	4
	9128	P132A Turing Tape implementation *1300	0 / 0	4
	9127	P132B Piet implementation *2100	0 / 0	7
	9123	P133A HQ9+ implementation *900	0 / 0	3
	9122	P133B Unary implementation *1200	0 / 0	4
	9121	P134A Average Numbers brute force implementation *1200	0 / 0	4
	9118	P135A Replacement greedy implementation sortings *1300	0 / 0	4
	9115	P135D Cycle brute force dfs and similar implementation *2500	0 / 0	9
	9113	P136A Presents implementation *800	0 / 0	3
	9112	P136B Ternary Logic implementation math *1100	0 / 0	3
	9111	P137A Postcards and photos implementation *900	0 / 0	3
	9107	P137E Last Chance data structures implementation strings *2000	0 / 0	7
	9106	P138A Literature Lesson implementation *1600	0 / 0	5
	9101	P139A Petr and Book implementation *1000	0 / 0	3
	9100	P139B Wallpaper implementation math *1600	0 / 0	5
	9098	P140B New Year Cards brute force greedy implementation *1800	0 / 0	6
	9093	P141A Amusing Joke implementation sortings strings *800	0 / 0	3
	9087	P142B Help General constructive algorithms greedy implementation *1800	0 / 0	6
	9082	P143B Help Kingdom of Far Far Away 2 implementation strings *1200	0 / 0	4
	9081	P144A Arrival of the General implementation *800	0 / 0	3
	9080	P144B Meeting implementation *1300	0 / 0	4
	9079	P144C Anagram Search implementation strings *1500	0 / 0	5
	9076	P145A Lucky Conversion greedy implementation *1200	0 / 0	4
	9073	P145D Lucky Pair combinatorics data structures implementation *2900	0 / 0	10
	9071	P146A Lucky Ticket implementation *800	0 / 0	3
	9070	P146B Lucky Mask brute force implementation *1300	0 / 0	4
	9069	P147A Punctuation implementation strings *1300	0 / 0	4
	9067	P148A Insomnia cure constructive algorithms implementation math *800	0 / 0	3
	9066	P148B Escape implementation math *1500	0 / 0	5
	9062	P149A Business trip greedy implementation sortings *900	0 / 0	3
	9061	P149B Martian Clock implementation *1600	0 / 0	5
	9052	P151A Soft Drinking implementation math *800	0 / 0	3
	9051	P151B Phone Numbers implementation strings *1200	0 / 0	4
	9050	P152A Marks implementation *900	0 / 0	3
	9049	P152B Steps binary search implementation *1300	0 / 0	4
	9032	P156B Suspects constructive algorithms data structures implementation *1600	0 / 0	5
	9026	P158A Next Round special problem implementation 800	0 / 0	3
	9025	P158B Taxi special problem greedy implementation 1100	0 / 0	3
	9024	P158C Cd and pwd commands special problem data structures implementation 1400	0 / 0	4
	9021	P159A Friends or Not special problem greedy implementation 1400	0 / 0	4
	9014	P160C Find Pair implementation math sortings *1700	0 / 0	5
	9006	P162A Pentagonal numbers special problem implementation 1100	0 / 0	3
	8986	P165A Supercentral Point implementation *1000	0 / 0	3
	8985	P165B Burning Midnight Oil binary search implementation *1500	0 / 0	5
	8981	P166A Rank List binary search implementation sortings *1100	0 / 0	3
	8976	P167A Wizards and Trolleybuses implementation math *1600	0 / 0	5
	8971	P168A Wizards and Demonstration implementation math *900	0 / 0	3
	8970	P168B Wizards and Minimal Spell implementation strings *1700	0 / 0	5
	8965	P171C A Piece of Cake special problem implementation 2000	0 / 0	7
	8962	P171F ucyhf special problem brute force implementation number theory 1600	0 / 0	5
	8960	P171H A polyline special problem implementation 1700	0 / 0	5
	8959	P172A Phone Code special problem brute force implementation 800	0 / 0	3
	8958	P172B Pseudorandom Sequence Period special problem implementation number theory 1200	0 / 0	4
	8957	P172C Bus special problem implementation sortings 1500	0 / 0	5
	8954	P173A Rock-Paper-Scissors implementation math *1300	0 / 0	4
	8951	P173D Deputies constructive algorithms graphs greedy implementation *2500	0 / 0	9
	8948	P174B File List dp greedy implementation *1400	0 / 0	4
	8946	P175A Robot Bicorn Attack brute force implementation *1400	0 / 0	4
	8945	P175B Plane of Tanks: Pro implementation *1400	0 / 0	4
	8944	P175C Geometry Horse greedy implementation sortings two pointers *1600	0 / 0	5
	8941	P175F Gnomes of Might and Magic data structures graphs implementation shortest paths *3000	0 / 0	10
	8935	P177A1 Good Matrix Elements implementation *800	0 / 0	3
	8934	P177A2 Good Matrix Elements implementation *800	0 / 0	3
	8903	P180A Defragmentation implementation *1800	0 / 0	6
	8898	P180F Mathematical Analysis Rocks! constructive algorithms implementation math *1200	0 / 0	4
	8897	P181A Series of Crimes brute force geometry implementation *800	0 / 0	3
	8895	P182A Battlefield geometry graphs implementation shortest paths *2200	0 / 0	8
	8894	P182B Vasya's Calendar implementation *1000	0 / 0	3
	8892	P182D Common Divisors brute force hashing implementation math strings *1400	0 / 0	4
	8880	P186A Comparing Strings implementation strings *1100	0 / 0	3
	8872	P188B A + Reverse B special problem implementation 1300	0 / 0	4
	8871	P188C LCM special problem implementation math 1400	0 / 0	4
	8870	P188D Asterisks special problem implementation 1100	0 / 3	3
	8869	P188E HQ9+ special problem implementation 1400	0 / 0	4
	8868	P188F Binary Notation special problem implementation 1400	0 / 0	4
	8867	P188G Array Sorting special problem implementation 1600	0 / 0	5

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