interactive - Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	6823	P679A Bear and Prime 100 constructive algorithms interactive math *1400	0 / 0	4
	6690	P710F String Set Queries brute force data structures hashing interactive string suffix structures strings *2400	0 / 0	9
	6678	P713B Searching Rectangles binary search constructive algorithms interactive *2200	0 / 0	8
	6611	P727C Guess the Array constructive algorithms interactive math *1400	0 / 0	4
	6600	P730B Minimum and Maximum constructive algorithms interactive *1800	0 / 0	6
	6536	P744B Hongcow's Game bitmasks divide and conquer interactive *1900	0 / 0	6
	6501	P750F New Year and Finding Roots constructive algorithms implementation interactive trees *2800	0 / 0	10
	6499	P750H New Year and Snowy Grid dfs and similar dsu graphs interactive *3500	0 / 0	10
	6496	P753C Interactive Bulls and Cows (Hard) brute force constructive algorithms interactive *2500	0 / 0	9
	6488	P755C PolandBall and Forest dfs and similar dsu graphs interactive trees *1300	0 / 0	4
	6401	P772E Verifying Kingdom binary search divide and conquer interactive trees *3200	0 / 0	10
	6304	P788D Finding lines constructive algorithms divide and conquer interactive *3000	0 / 0	10
	6213	P809B Glad to see you! binary search interactive *2200	0 / 0	8
	6200	P811D Vladik and Favorite Game constructive algorithms dfs and similar graphs interactive *2100	0 / 0	7
	6034	P835E The penguin's game binary search constructive algorithms interactive *2400	0 / 0	9
	6001	P843B Interactive LowerBound brute force interactive probabilities *2000	0 / 0	7
	5906	P862D Mahmoud and Ehab and the binary string binary search divide and conquer interactive *2000	0 / 0	7
	5867	P870D Something with XOR Queries brute force interactive probabilities *2000	0 / 0	7
	5773	P896B Ithea Plays With Chtholly binary search constructive algorithms games greedy interactive *2000	0 / 0	7
	5674	P916D Jamie and To-do List data structures interactive trees *2200	0 / 0	8
	5604	P927A BuberPool Taxi Optimization special problem interactive 2900	0 / 0	10
	5529	P952B A Map of the Cat brute force interactive *1900	0 / 0	6
	5261	P1007C Guess two numbers binary search interactive *3000	0 / 0	10
	5248	P1010B Rocket binary search interactive *1800	0 / 0	6
	5210	P1019B The hat binary search interactive *2000	0 / 0	7
	5200	P1023E Down or Right constructive algorithms interactive matrices *2100	0 / 0	7
	5177	P1028G Guess the number dp interactive *3000	0 / 0	10
	5146	P1033D Divisors interactive math number theory *2000	0 / 0	7
	5145	P1033E Hidden Bipartite Graph binary search constructive algorithms dfs and similar graphs interactive *2800	0 / 0	10
	5115	P1039B Subway Pursuit binary search interactive probabilities *2100	0 / 0	7
	5089	P1044B Intersecting Subtrees dfs and similar interactive trees *1900	0 / 0	6
	5044	P1056C Pick Heroes greedy implementation interactive sortings *1700	0 / 0	5
	5017	P1061F Lost Root interactive probabilities *2400	0 / 0	9
	5008	P1063C Dwarves, Hats and Extrasensory Abilities binary search constructive algorithms geometry interactive *1900	0 / 0	6
	4938	P1080F Katya and Segments Sets data structures interactive sortings *2400	0 / 0	9
	4932	P1081F Tricky Interactor constructive algorithms implementation interactive *2600	0 / 0	10
	4902	P1088D Ehab and another another xor problem bitmasks constructive algorithms implementation interactive *2000	0 / 0	7
	4867	P1091G New Year and the Factorisation Collaboration interactive math number theory *3200	0 / 0	10
	4817	P1100D Dasha and Chess constructive algorithms games interactive *2500	0 / 0	9
	4800	P1103B Game with modulo binary search constructive algorithms interactive *2000	0 / 0	7
	4744	P1114E Arithmetic Progression binary search interactive number theory probabilities *2200	0 / 0	8
	4719	P1117E Decypher the String bitmasks chinese remainder theorem constructive algorithms interactive math *2200	0 / 0	8
	4686	P1129E Legendary Tree binary search interactive trees *3100	0 / 0	10
	4653	P1137D Cooperative Game constructive algorithms interactive number theory *2400	0 / 0	9
	4623	P1142E Pink Floyd graphs interactive *3200	0 / 0	10
	4606	P1145G AI Takeover interactive	0 / 0	(None)
	4603	P1146C Tree Diameter bitmasks graphs interactive *1700	0 / 0	5
	4593	P1147E Rainbow Coins interactive *3000	0 / 0	10
	4592	P1147F Zigzag Game games interactive *3500	0 / 0	10
	4559	P1153E Serval and Snake binary search brute force interactive *2200	0 / 0	8
	4546	P1155E Guess the Root brute force interactive math *2200	0 / 0	8
	4525	P1158E Strange device binary search interactive math trees *3400	0 / 0	10
	4496	P1167B Lost Numbers brute force divide and conquer interactive math *1400	0 / 0	4
	4460	P1174F Ehab and the Big Finale constructive algorithms divide and conquer graphs implementation interactive trees *2400	0 / 0	9
	4431	P1179E Alesya and Discrete Math divide and conquer interactive *3200	0 / 0	10
	4305	P1201E1 Knightmare (easy) graphs interactive shortest paths *2900	0 / 0	10
	4304	P1201E2 Knightmare (hard) graphs interactive shortest paths *3000	0 / 0	10
	4281	P1205C Palindromic Paths implementation interactive *2400	0 / 0	9
	4271	P1207E XOR Guessing bitmasks interactive math *1900	4 / 4	6
	4002	P1254C Point Ordering constructive algorithms geometry interactive math *2300	0 / 0	8
	3886	P1267I Intriguing Selection brute force constructive algorithms implementation interactive sortings *2600	0 / 0	10
	3857	P1270D Strange Device constructive algorithms interactive math sortings *1900	0 / 0	6
	3760	P1282D Enchanted Artifact constructive algorithms interactive strings *2300	0 / 0	8
	3722	P1286C1 Madhouse (Easy version) brute force constructive algorithms interactive math *2400	0 / 0	9
	3719	P1286C2 Madhouse (Hard version) brute force constructive algorithms hashing interactive math *2800	0 / 0	10
	3693	P1290D Coffee Varieties (hard version) constructive algorithms graphs interactive *3000	0 / 0	10
	3683	P1291F Coffee Varieties (easy version) graphs interactive *2800	0 / 0	10
	3678	P1292E Rin and The Unknown Flower constructive algorithms greedy interactive math *3500	0 / 0	10
	3616	P1299E So Mean interactive math *3400	0 / 0	10
	3580	P1305D Kuroni and the Celebration constructive algorithms dfs and similar interactive trees *1900	0 / 0	6
	3358	P1336D Yui and Mahjong Set constructive algorithms interactive *3200	0 / 0	10
	3341	P1340E Nastya and Bees graphs interactive probabilities *3000	0 / 0	10
	3270	P1354G Find a Gift binary search interactive probabilities *2600	0 / 0	10
	3264	P1355F Guess Divisors Count constructive algorithms interactive number theory *2600	0 / 0	10
	3203	P1363D Guess The Maximums binary search implementation interactive math *2100	0 / 0	7
	3196	P1364E X-OR bitmasks constructive algorithms divide and conquer interactive probabilities *2700	0 / 0	10
	3189	P1365G Secure Password bitmasks combinatorics constructive algorithms interactive math *2800	0 / 0	10
	3169	P1368F Lamps on a Circle games implementation interactive math *2600	0 / 0	10
	3154	P1370F1 The Hidden Pair (Easy Version) binary search dfs and similar graphs interactive shortest paths trees *2400	0 / 0	9
	3153	P1370F2 The Hidden Pair (Hard Version) binary search dfs and similar graphs interactive shortest paths trees *2700	0 / 0	10
	3140	P1372F Omkar and Modes binary search divide and conquer interactive *2700	0 / 0	10
	3120	P1375F Integer Game constructive algorithms games interactive math *2600	0 / 0	10
	3078	P1386A Colors special problem binary search constructive algorithms interactive 2700	0 / 0	10
	3050	P1392E Omkar and Duck bitmasks constructive algorithms interactive math *2100	0 / 0	7
	2994	P1403A The Potion of Great Power special problem 2-sat binary search data structures graphs interactive sortings two pointers 2400	0 / 0	9
	2988	P1404D Game of Pairs constructive algorithms dfs and similar interactive math number theory *2800	0 / 0	10
	2980	P1406E Deleting Numbers interactive math number theory *2600	0 / 0	10
	2977	P1407C Chocolate Bunny constructive algorithms interactive math two pointers *1600	0 / 0	5
	2889	P1423M Milutin's Plums interactive *2800	0 / 0	10
	2880	P1425F Flamingoes of Mystery interactive *1400	0 / 0	4
	2855	P1428H Rotary Laser Lock binary search interactive *3500	0 / 0	10
	2811	P1438F Olha and Igor interactive probabilities trees *3000	0 / 0	10
	2797	P1442F Differentiating Games games interactive *3400	0 / 0	10
	2788	P1444E Finding the Vertex brute force dfs and similar dp interactive trees *3500	0 / 0	10
	2762	P1451E1 Bitwise Queries (Easy Version) bitmasks constructive algorithms interactive math *2000	0 / 0	7
	2761	P1451E2 Bitwise Queries (Hard Version) bitmasks constructive algorithms interactive math *2300	0 / 0	8
	2674	P1466I The Riddle of the Sphinx binary search data structures data structures interactive *3400	0 / 0	10
	2622	P1470C Strange Shuffle binary search brute force constructive algorithms interactive *2500	0 / 0	9
	2543	P1479A Searching Local Minimum binary search interactive ternary search *1700	0 / 0	5
	2514	P1482G Vabank binary search interactive *3200	0 / 0	10

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