Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	4368	P1188E Problem from Red Panda combinatorics *3300	0 / 0	10
	4367	P1189A Keanu Reeves strings *800	0 / 0	3
	4366	P1189B Number Circle greedy math sortings *1100	0 / 0	3
	4365	P1189C Candies! data structures dp implementation math *1400	0 / 0	4
	4364	P1190A Tokitsukaze and Discard Items implementation two pointers *1400	0 / 0	4
	4363	P1190B Tokitsukaze, CSL and Stone Game games *1800	0 / 0	6
	4362	P1190C Tokitsukaze and Duel brute force games greedy *2300	0 / 0	8
	4361	P1190D Tokitsukaze and Strange Rectangle data structures divide and conquer sortings two pointers *2000	0 / 0	7
	4360	P1190E Tokitsukaze and Explosion binary search greedy *3100	0 / 0	10
	4359	P1190F Tokitsukaze and Powers number theory probabilities *3400	0 / 0	10
	4358	P1191A Tokitsukaze and Enhancement brute force *800	0 / 0	3
	4357	P1191B Tokitsukaze and Mahjong brute force implementation *1200	0 / 0	4
	4356	P1192A Building Skyscrapers *special problem	0 / 0	(None)
	4355	P1192B Dynamic Diameter *special problem data structures dfs and similar divide and conquer trees	0 / 0	(None)
	4354	P1192C Cubeword *special problem brute force dp meet-in-the-middle	0 / 0	(None)
	4353	P1193A Amusement Park *special problem dp math	0 / 0	(None)
	4352	P1193B Magic Tree *special problem data structures dp trees	0 / 0	(None)
	4351	P1193C Scissors and Tape *special problem constructive algorithms geometry	0 / 0	(None)
	4350	P1194A Remove a Progression math *800	14 / 26	3
	4349	P1194B Yet Another Crosses Problem implementation *1300	14 / 33	4
	4348	P1194C From S To T implementation strings *1300	12 / 21	4
	4347	P1194D 1-2-K Game games math *1700	12 / 34	5
	4346	P1194E Count The Rectangles bitmasks brute force data structures geometry sortings *2200	3 / 5	8
	4345	P1194F Crossword Expert combinatorics dp number theory probabilities two pointers *2400	6 / 13	9
	4344	P1194G Another Meme Problem dp *2700	0 / 0	10
	4343	P1195A Drinks Choosing greedy math *1000	0 / 0	3
	4342	P1195B Sport Mafia binary search brute force math *1000	0 / 0	3
	4341	P1195C Basketball Exercise dp *1400	0 / 0	4
	4340	P1195D1 Submarine in the Rybinsk Sea (easy edition) combinatorics math number theory *1500	0 / 0	5
	4339	P1195D2 Submarine in the Rybinsk Sea (hard edition) combinatorics math number theory *1800	0 / 0	6
	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
	4336	P1196A Three Piles of Candies brute force constructive algorithms math *800	0 / 0	3
	4335	P1196B Odd Sum Segments constructive algorithms math *1200	0 / 0	4
	4334	P1196C Robot Breakout implementation *1500	0 / 0	5
	4333	P1196D1 RGB Substring (easy version) implementation *1500	0 / 0	5
	4332	P1196D2 RGB Substring (hard version) data structures dp implementation two pointers *1600	0 / 0	5
	4331	P1196E Connected Component on a Chessboard constructive algorithms implementation *1800	0 / 0	6
	4330	P1196F K-th Path brute force constructive algorithms shortest paths sortings *2200	0 / 0	8
	4329	P1197A DIY Wooden Ladder greedy math sortings *900	0 / 0	3
	4328	P1197B Pillars greedy implementation *1000	0 / 0	3
	4327	P1197C Array Splitting greedy sortings *1400	0 / 0	4
	4326	P1197D Yet Another Subarray Problem dp greedy math *1900	0 / 0	6
	4325	P1197E Culture Code binary search combinatorics data structures dp shortest paths sortings *2300	0 / 0	8
	4324	P1197F Coloring Game dp games matrices *2700	0 / 0	10
	4323	P1198A MP3 sortings two pointers *1600	0 / 0	5
	4322	P1198B Welfare State binary search brute force data structures sortings *1600	0 / 0	5
	4321	P1198C Matching vs Independent Set constructive algorithms graphs greedy sortings *2000	0 / 0	7
	4320	P1198D Rectangle Painting 1 dp *2300	1 / 1	8
	4319	P1198E Rectangle Painting 2 flows graph matchings graphs *2500	0 / 0	9
	4318	P1198F GCD Groups 2 greedy number theory probabilities *2900	0 / 0	10
	4317	P1199A City Day implementation *1000	0 / 0	3
	4316	P1199B Water Lily geometry math *1000	0 / 0	3
	4315	P1200A Hotelier brute force data structures implementation *800	0 / 0	3
	4314	P1200B Block Adventure dp greedy *1200	0 / 0	4
	4313	P1200C Round Corridor math number theory *1400	0 / 0	4
	4312	P1200D White Lines brute force data structures dp implementation two pointers *1900	0 / 0	6
	4311	P1200E Compress Words brute force hashing implementation string suffix structures strings *2000	0 / 0	7
	4310	P1200F Graph Traveler brute force data structures dfs and similar dp graphs implementation math number theory *2300	0 / 0	8
	4309	P1201A Important Exam implementation strings *900	0 / 0	3
	4308	P1201B Zero Array greedy math *1500	0 / 0	5
	4307	P1201C Maximum Median binary search greedy math sortings *1400	0 / 0	4
	4306	P1201D Treasure Hunting binary search dp greedy implementation *2100	0 / 0	7
	4305	P1201E1 Knightmare (easy) graphs interactive shortest paths *2900	0 / 0	10
	4304	P1201E2 Knightmare (hard) graphs interactive shortest paths *3000	0 / 0	10
	4303	P1202A You Are Given Two Binary Strings... bitmasks greedy *1100	0 / 0	3
	4302	P1202B You Are Given a Decimal String... brute force dp shortest paths *1700	0 / 0	5
	4301	P1202C You Are Given a WASD-string... brute force data structures dp greedy implementation math strings *2100	0 / 0	7
	4300	P1202D Print a 1337-string... combinatorics constructive algorithms math strings *1900	0 / 0	6
	4299	P1202E You Are Given Some Strings... brute force string suffix structures strings *2400	0 / 0	9
	4298	P1202F You Are Given Some Letters... binary search implementation math *2700	0 / 0	10
	4297	P1203A Circle of Students implementation *1000	0 / 0	3
	4296	P1203B Equal Rectangles greedy math *1200	0 / 0	4
	4295	P1203C Common Divisors implementation math *1300	0 / 0	4
	4294	P1203D1 Remove the Substring (easy version) greedy implementation *1600	0 / 0	5
	4293	P1203D2 Remove the Substring (hard version) binary search greedy implementation two pointers *1700	0 / 0	5
	4292	P1203E Boxers greedy sortings *1500	0 / 0	5
	4291	P1203F1 Complete the Projects (easy version) greedy *2100	0 / 0	7
	4290	P1203F2 Complete the Projects (hard version) dp greedy *2300	0 / 0	8
	4289	P1204A BowWow and the Timetable math *1000	0 / 0	3
	4288	P1204B Mislove Has Lost an Array greedy math *900	0 / 0	3
	4287	P1204C Anna, Svyatoslav and Maps dp graphs greedy shortest paths *1700	0 / 0	5
	4286	P1204D1 Kirk and a Binary String (easy version) brute force greedy strings *2000	0 / 0	7
	4285	P1204D2 Kirk and a Binary String (hard version) data structures greedy math strings *2100	0 / 0	7
	4284	P1204E Natasha, Sasha and the Prefix Sums combinatorics dp math number theory *2300	0 / 0	8
	4283	P1205A Almost Equal constructive algorithms greedy math *1200	0 / 0	4
	4282	P1205B Shortest Cycle bitmasks brute force graphs shortest paths *1900	0 / 0	6
	4281	P1205C Palindromic Paths implementation interactive *2400	0 / 0	9
	4280	P1205D Almost All constructive algorithms trees *2700	0 / 0	10
	4279	P1205E Expected Value Again combinatorics strings *3100	0 / 0	10
	4278	P1205F Beauty of a Permutation constructive algorithms math *3400	0 / 0	10
	4277	P1206A Choose Two Numbers math sortings *800	0 / 0	3
	4276	P1206B Make Product Equal One dp implementation *900	0 / 0	3
	4275	P1207A There Are Two Types Of Burgers brute force greedy implementation math *800	12 / 46	3
	4274	P1207B Square Filling constructive algorithms greedy implementation *1200	8 / 18	4
	4273	P1207C Gas Pipeline dp greedy *1500	6 / 6	5
	4272	P1207D Number Of Permutations combinatorics *1800	5 / 6	6
	4271	P1207E XOR Guessing bitmasks interactive math *1900	4 / 4	6
	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

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