Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	7397	P538F A Heap of Heaps brute force data structures math sortings *2200	0 / 0	8
	7396	P538G Berserk Robot constructive algorithms math sortings *3100	0 / 0	10
	7395	P538H Summer Dichotomy 2-sat data structures dfs and similar greedy *3200	0 / 0	10
	7394	P540A Combination Lock implementation *800	0 / 0	3
	7393	P540B School Marks greedy implementation *1700	0 / 0	5
	7392	P540C Ice Cave dfs and similar *2000	0 / 0	7
	7391	P540D Bad Luck Island dp probabilities *1900	0 / 0	6
	7390	P540E Infinite Inversions binary search data structures implementation sortings trees *2100	0 / 0	7
	7389	P542A Place Your Ad Here data structures sortings *2400	0 / 0	9
	7388	P542B Duck Hunt data structures *3100	0 / 0	10
	7387	P542C Idempotent functions constructive algorithms graphs math *2000	0 / 0	7
	7386	P542D Superhero's Job dfs and similar dp hashing math number theory *2600	0 / 0	10
	7385	P542E Playing on Graph graphs shortest paths *2600	0 / 0	10
	7384	P542F Quest dp greedy *2100	0 / 0	7
	7383	P543A Writing Code dp *1800	0 / 0	6
	7382	P543B Destroying Roads constructive algorithms graphs shortest paths *2100	0 / 0	7
	7381	P543C Remembering Strings bitmasks dp *2500	0 / 0	9
	7380	P543D Road Improvement dp trees *2300	0 / 0	8
	7379	P543E Listening to Music constructive algorithms data structures *3200	0 / 0	10
	7378	P544A Set of Strings implementation strings *1100	0 / 0	3
	7377	P544B Sea and Islands constructive algorithms implementation *1400	0 / 0	4
	7376	P545A Toy Cars implementation *900	0 / 0	3
	7375	P545B Equidistant String greedy *1100	0 / 0	3
	7374	P545C Woodcutters dp greedy *1500	2 / 3	5
	7373	P545D Queue greedy implementation sortings *1300	0 / 0	4
	7372	P545E Paths and Trees graphs greedy shortest paths *2000	0 / 0	7
	7371	P546A Soldier and Bananas brute force implementation math *800	0 / 0	3
	7370	P546B Soldier and Badges brute force greedy implementation sortings *1200	0 / 0	4
	7369	P546C Soldier and Cards brute force dfs and similar games *1400	0 / 0	4
	7368	P546D Soldier and Number Game constructive algorithms dp math number theory *1700	0 / 0	5
	7367	P546E Soldier and Traveling flows graphs math *2100	0 / 0	7
	7366	P547A Mike and Frog brute force greedy implementation math *2200	0 / 0	8
	7365	P547B Mike and Feet binary search data structures dp dsu *1900	0 / 0	6
	7364	P547C Mike and Foam bitmasks combinatorics dp math number theory *2300	0 / 0	8
	7363	P547D Mike and Fish constructive algorithms dfs and similar graphs *2600	0 / 0	10
	7362	P547E Mike and Friends data structures string suffix structures strings trees *2800	0 / 0	10
	7361	P548A Mike and Fax brute force implementation strings *1100	0 / 0	3
	7360	P548B Mike and Fun brute force dp greedy implementation *1400	0 / 0	4
	7359	P549A Face Detection implementation strings *900	0 / 0	3
	7358	P549B Looksery Party constructive algorithms dfs and similar graphs greedy *2300	0 / 0	8
	7357	P549C The Game Of Parity games *2200	0 / 0	8
	7356	P549D Haar Features greedy implementation *1900	0 / 0	6
	7355	P549E Sasha Circle geometry math *2700	0 / 0	10
	7354	P549F Yura and Developers data structures divide and conquer *2800	0 / 0	10
	7353	P549G Happy Line constructive algorithms greedy sortings *2200	0 / 0	8
	7352	P549H Degenerate Matrix binary search math *2100	0 / 0	7
	7351	P550A Two Substrings brute force dp greedy implementation strings *1500	0 / 0	5
	7350	P550B Preparing Olympiad bitmasks brute force *1400	0 / 0	4
	7349	P550C Divisibility by Eight brute force dp math *1500	0 / 0	5
	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
	7346	P551A GukiZ and Contest brute force implementation sortings *800	0 / 0	3
	7345	P551B ZgukistringZ brute force constructive algorithms implementation strings *1800	0 / 0	6
	7344	P551C GukiZ hates Boxes binary search greedy *2200	0 / 0	8
	7343	P551D GukiZ and Binary Operations combinatorics implementation math matrices number theory *2100	0 / 0	7
	7342	P551E GukiZ and GukiZiana binary search data structures implementation *2500	0 / 0	9
	7341	P552A Vanya and Table implementation math *1000	0 / 0	3
	7340	P552B Vanya and Books implementation math *1200	0 / 0	4
	7339	P552C Vanya and Scales brute force dp greedy math meet-in-the-middle number theory *1900	0 / 0	6
	7338	P552D Vanya and Triangles brute force combinatorics data structures geometry math sortings *1900	0 / 0	6
	7337	P552E Vanya and Brackets brute force dp expression parsing greedy implementation strings *2100	0 / 0	7
	7336	P553A Kyoya and Colored Balls combinatorics dp math *1500	0 / 0	5
	7335	P553B Kyoya and Permutation binary search combinatorics constructive algorithms greedy implementation math *1900	0 / 0	6
	7334	P553C Love Triangles dfs and similar dsu graphs *2200	0 / 0	8
	7333	P553D Nudist Beach binary search graphs greedy *2300	0 / 0	8
	7332	P553E Kyoya and Train dp fft graphs math probabilities *3200	0 / 0	10
	7331	P554A Kyoya and Photobooks brute force math strings *900	0 / 0	3
	7330	P554B Ohana Cleans Up brute force greedy strings *1200	0 / 0	4
	7329	P555A Case of Matryoshkas implementation *1500	0 / 0	5
	7328	P555B Case of Fugitive data structures greedy sortings *2000	0 / 0	7
	7327	P555C Case of Chocolate data structures *2200	0 / 0	8
	7326	P555D Case of a Top Secret binary search implementation math *2500	0 / 0	9
	7325	P555E Case of Computer Network dfs and similar graphs trees *2800	0 / 0	10
	7324	P556A Case of the Zeros and Ones greedy *900	0 / 0	3
	7323	P556B Case of Fake Numbers brute force implementation *1100	0 / 0	3
	7322	P557A Ilya and Diplomas greedy implementation math *1100	0 / 0	3
	7321	P557B Pasha and Tea constructive algorithms implementation math sortings *1500	0 / 0	5
	7320	P557C Arthur and Table brute force data structures dp greedy math sortings *1900	0 / 0	6
	7319	P557D Vitaly and Cycle combinatorics dfs and similar graphs math *2000	0 / 0	7
	7318	P557E Ann and Half-Palindrome data structures dp graphs string suffix structures strings trees *2300	0 / 0	8
	7317	P558A Lala Land and Apple Trees brute force implementation sortings *1100	0 / 0	3
	7316	P558B Amr and The Large Array implementation *1300	0 / 0	4
	7315	P558C Amr and Chemistry brute force graphs greedy math shortest paths *1900	0 / 0	6
	7314	P558D Guess Your Way Out! II data structures implementation sortings *2300	0 / 0	8
	7313	P558E A Simple Task data structures sortings strings *2300	0 / 0	8
	7312	P559A Gerald's Hexagon brute force geometry math *1600	0 / 0	5
	7311	P559B Equivalent Strings divide and conquer hashing sortings strings *1700	0 / 0	5
	7310	P559C Gerald and Giant Chess combinatorics dp math number theory *2200	0 / 0	8
	7309	P559D Randomizer combinatorics geometry probabilities *2800	0 / 0	10
	7308	P559E Gerald and Path dp sortings *3000	0 / 0	10
	7307	P560A Currency System in Geraldion implementation sortings *1000	0 / 0	3
	7306	P560B Gerald is into Art constructive algorithms implementation *1200	0 / 0	4
	7305	P566A Matching Names dfs and similar strings trees *2300	0 / 0	8
	7304	P566B Replicating Processes constructive algorithms greedy *2600	0 / 0	10
	7303	P566C Logistical Questions dfs and similar divide and conquer trees *3000	0 / 0	10
	7302	P566D Restructuring Company data structures dsu *1900	0 / 0	6
	7301	P566E Restoring Map bitmasks constructive algorithms trees *3200	0 / 0	10
	7300	P566F Clique in the Divisibility Graph dp math number theory *1500	0 / 0	5
	7299	P566G Max and Min geometry *2500	0 / 0	9
	7298	P567A Lineland Mail greedy implementation *900	0 / 0	3

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