trees - Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	6450	P763A Timofey and a tree dfs and similar dp dsu graphs implementation trees *1600	0 / 0	5
	6447	P763D Timofey and a flat tree data structures graphs hashing shortest paths trees *2900	0 / 0	10
	6439	P765E Tree Folding dfs and similar dp greedy implementation trees *2200	0 / 0	8
	6432	P766E Mahmoud and a xor trip bitmasks constructive algorithms data structures dfs and similar dp math trees *2100	0 / 0	7
	6429	P767C Garland dfs and similar graphs greedy trees *2000	0 / 0	7
	6409	P771C Bear and Tree Jumps dfs and similar dp trees *2100	0 / 0	7
	6401	P772E Verifying Kingdom binary search divide and conquer interactive trees *3200	0 / 0	10
	6369	P776F Sherlock's bet to Moriarty constructive algorithms data structures divide and conquer geometry graphs implementation trees *2800	0 / 0	10
	6350	P778C Peterson Polyglot brute force dfs and similar dsu hashing strings trees *2500	0 / 0	9
	6334	P780C Andryusha and Colored Balloons dfs and similar graphs greedy trees *1600	0 / 0	5
	6311	P786D Rap God data structures dfs and similar hashing strings trees *3400	0 / 0	10
	6310	P786E ALT data structures flows graphs trees *3200	0 / 0	10
	6296	P792D Paths in a Complete Binary Tree bitmasks trees *1900	0 / 0	6
	6289	P793E Problem of offices constructive algorithms dfs and similar dp trees *2900	0 / 0	10
	6277	P796C Bank Hacking constructive algorithms data structures dp trees *1900	0 / 0	6
	6276	P796D Police Stations constructive algorithms dfs and similar dp graphs shortest paths trees *2100	0 / 0	7
	6244	P802J Send the Fool Further! (easy) dfs and similar graphs trees *1400	0 / 0	4
	6243	P802K Send the Fool Further! (medium) dp trees *2100	0 / 0	7
	6242	P802L Send the Fool Further! (hard) dfs and similar dp math trees *2400	0 / 0	9
	6228	P804D Expected diameter of a tree binary search brute force dfs and similar dp sortings trees *2500	0 / 0	9
	6210	P809E Surprise me! divide and conquer math number theory trees *3100	0 / 0	10
	6189	P812D Sagheer and Kindergarten dfs and similar graphs implementation trees *2700	0 / 0	10
	6187	P812E Sagheer and Apple Tree games trees *2300	0 / 0	8
	6167	P814D An overnight dance in discotheque dfs and similar dp geometry greedy trees *2000	0 / 0	7
	6159	P815C Karen and Supermarket brute force dp trees *2400	0 / 0	9
	6141	P817E Choosing The Commander bitmasks data structures trees *2000	0 / 0	7
	6139	P817F MEX Queries binary search data structures trees *2300	0 / 0	8
	6106	P821C Okabe and Boxes data structures greedy trees *1500	0 / 0	5
	6089	P822F Madness constructive algorithms dfs and similar trees *2500	0 / 0	9
	6075	P825G Tree Queries dfs and similar graphs trees *2500	0 / 0	9
	6071	P827B High Load constructive algorithms greedy implementation trees *1800	0 / 0	6
	6067	P827D Best Edge Weight data structures dfs and similar graphs trees *2700	0 / 0	10
	6055	P830D Singer House combinatorics dp graphs trees *2800	0 / 0	10
	6054	P830E Perpetual Motion Machine constructive algorithms dp graphs implementation math trees *3100	0 / 0	10
	6047	P832D Misha, Grisha and Underground dfs and similar graphs trees *1900	0 / 0	6
	6042	P833D Red-Black Cobweb data structures divide and conquer implementation trees *2800	0 / 0	10
	6033	P835F Roads in the Kingdom dfs and similar dp graphs trees *2500	0 / 0	9
	6024	P838B Diverging Directions data structures dfs and similar trees *2100	0 / 0	7
	6017	P839C Journey dfs and similar dp graphs probabilities trees *1500	0 / 0	5
	6010	P840E In a Trap trees *3200	0 / 0	10
	6005	P842C Ilya And The Tree dfs and similar graphs math number theory trees *2000	0 / 0	7
	6003	P842E Nikita and game binary search dfs and similar divide and conquer graphs trees *2800	0 / 0	10
	6000	P843C Upgrading Tree constructive algorithms dfs and similar graphs math trees *2600	0 / 0	10
	5984	P846E Chemistry in Berland dfs and similar greedy trees *2300	0 / 0	8
	5971	P847L Berland SU Computer Network constructive algorithms dfs and similar graphs hashing trees *2400	0 / 0	9
	5944	P852I Dating brute force dfs and similar graphs trees *2300	0 / 0	8
	5934	P855C Helga Hufflepuff's Cup dp trees *2000	0 / 0	7
	5933	P855D Rowena Ravenclaw's Diadem trees *2500	0 / 0	9
	5930	P855G Harry Vs Voldemort dfs and similar dp graphs trees *3300	0 / 0	10
	5928	P856B Similar Words dp hashing strings trees *2300	0 / 0	8
	5926	P856D Masha and Cactus dp trees *2400	0 / 0	9
	5914	P859D Third Month Insanity dp probabilities trees *2100	0 / 0	7
	5913	P859E Desk Disorder combinatorics dfs and similar dsu graphs trees *2100	0 / 0	7
	5910	P860E Arkady and a Nobody-men data structures dfs and similar trees *2700	0 / 0	10
	5908	P862B Mahmoud and Ehab and the bipartiteness dfs and similar graphs trees *1300	0 / 0	4
	5891	P864F Cities Excursions dfs and similar graphs trees *2700	0 / 0	10
	5878	P868E Policeman and a Tree dp graphs trees *2700	0 / 0	10
	5866	P870E Points, Lines and Ready-made Titles dfs and similar dsu graphs trees *2300	0 / 0	8
	5864	P871E Restore the Tree graphs greedy trees *2900	0 / 0	10
	5845	P877E Danil and a Part-time Job bitmasks data structures trees *2000	0 / 0	7
	5815	P886C Petya and Catacombs dsu greedy implementation trees *1300	0 / 0	4
	5794	P891D Sloth dfs and similar dp graph matchings trees *3100	0 / 0	10
	5785	P893F Subtree Minimum Query data structures trees *2300	0 / 1	8
	5781	P894D Ralph And His Tour in Binary Country brute force data structures trees *2200	0 / 0	8
	5750	P901A Hashing Trees constructive algorithms trees *1500	0 / 0	5
	5707	P911F Tree Destruction constructive algorithms dfs and similar graphs greedy trees *2400	0 / 0	9
	5699	P913B Christmas Spruce implementation trees *1200	0 / 0	4
	5688	P914E Palindromes in a Tree bitmasks data structures divide and conquer trees *2400	0 / 0	9
	5685	P914H Ember and Storm's Tree Game combinatorics dp games trees *3400	0 / 0	10
	5679	P915F Imbalance Value of a Tree data structures dsu graphs trees *2400	0 / 0	9
	5674	P916D Jamie and To-do List data structures interactive trees *2200	0 / 0	8
	5673	P916E Jamie and Tree data structures trees *2400	0 / 0	9
	5669	P917D Stranger Trees dp math matrices trees *2600	0 / 0	10
	5668	P917E Upside Down data structures string suffix structures strings trees *3400	0 / 0	10
	5630	P923C Perfect Security data structures greedy strings trees *1800	0 / 0	6
	5627	P923F Public Service constructive algorithms graphs trees *3200	0 / 0	10
	5616	P925E May Holidays data structures trees *2900	0 / 0	10
	5600	P928D Autocompletion special problem strings trees 1900	0 / 0	6
	5599	P930A Peculiar apple-tree dfs and similar graphs trees *1500	0 / 0	5
	5588	P932D Tree binary search dp trees *2200	0 / 0	8
	5573	P935E Fafa and Ancient Mathematics dfs and similar dp trees *2300	0 / 0	8
	5509	P955F Heaps dp trees *2600	0 / 0	10
	5503	P958B2 Maximum Control (medium) data structures dfs and similar graphs greedy trees *2200	0 / 0	8
	5489	P959C Mahmoud and Ehab and the wrong algorithm constructive algorithms trees *1500	0 / 0	5
	5482	P960D Full Binary Tree Queries brute force implementation trees *2100	0 / 0	7
	5481	P960E Alternating Tree combinatorics dfs and similar divide and conquer dp probabilities trees *2300	0 / 0	8
	5478	P960H Santa's Gift data structures trees *3100	0 / 0	10
	5465	P962F Simple Cycles Edges dfs and similar graphs trees *2400	0 / 0	9
	5464	P962G Visible Black Areas data structures dsu geometry trees *2800	0 / 0	10
	5462	P963B Destruction of a Tree constructive algorithms dfs and similar dp greedy trees *2000	0 / 0	7
	5452	P965E Short Code data structures dp greedy strings trees *2200	0 / 0	8
	5423	P979C Kuro and Walking Route dfs and similar trees *1600	0 / 0	5
	5422	P979D Kuro and GCD and XOR and SUM binary search bitmasks brute force data structures dp dsu greedy math number theory strings trees *2200	0 / 0	8
	5416	P980E The Number Games data structures greedy trees *2200	0 / 0	8
	5415	P980F Cactus to Tree dp graphs trees *2900	0 / 0	10
	5412	P981C Useful Decomposition implementation trees *1400	0 / 0	4
	5404	P982C Cut 'em all! dfs and similar dp graphs greedy trees *1500	0 / 0	5
	5403	P982D Shark brute force data structures dsu trees *1900	0 / 0	6
	5396	P983E NN country binary search data structures trees *2800	0 / 0	10
	5382	P986E Prince's Problem brute force data structures math number theory trees *2800	0 / 0	10

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