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Problemset

309 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
1503B	3-Coloring constructive algorithms games interactive	1700	7.7k
1499G	Graph Coloring data structures graphs interactive	3100	294
1498E	Two Houses brute force graphs greedy interactive sortings	2200	2.2k
1493F	Enchanted Matrix bitmasks interactive number theory	2600	525
1491F	Magnets binary search constructive algorithms interactive	2700	1.2k
1486C1	Guessing the Greatest (easy version) binary search interactive	1600	14.5k
1486C2	Guessing the Greatest (hard version) binary search interactive	1900	10.2k
1482G	Vabank binary search interactive	3200	352
1479A	Searching Local Minimum binary search interactive ternary search	1700	13.3k
1470C	Strange Shuffle binary search brute force constructive algorithms interactive	2500	1.5k
1466I	The Riddle of the Sphinx binary search data structures interactive	3400	247
1451E1	Bitwise Queries (Easy Version) bitmasks constructive algorithms interactive math	2000	5.6k
1451E2	Bitwise Queries (Hard Version) bitmasks constructive algorithms interactive math	2300	4k
1444E	Finding the Vertex brute force dfs and similar dp interactive trees	3500	171
1442F	Differentiating Games games interactive	3400	173
1438F	Olha and Igor interactive probabilities trees	3000	810
1428H	Rotary Laser Lock binary search interactive	3500	131
1425F	Flamingoes of Mystery interactive	1400	7.3k
1423M	Milutin's Plums interactive	2800	349
1407C	Chocolate Bunny constructive algorithms interactive math two pointers	1600	15.3k
1406E	Deleting Numbers interactive math number theory	2600	1.9k
1404D	Game of Pairs constructive algorithms dfs and similar interactive math number theory	2800	1.3k
1403A	The Potion of Great Power *special 2-sat binary search data structures graphs interactive sortings two pointers	2400	359
1392E	Omkar and Duck bitmasks constructive algorithms interactive math	2100	3.8k
1386A	Colors *special binary search constructive algorithms interactive	2700	354
1375F	Integer Game constructive algorithms games interactive math	2600	2.6k
1372F	Omkar and Modes binary search divide and conquer interactive	2700	511
1370F1	The Hidden Pair (Easy Version) binary search dfs and similar graphs interactive shortest paths trees	2400	1.8k
1370F2	The Hidden Pair (Hard Version) binary search dfs and similar graphs interactive shortest paths trees	2700	1.7k
1368F	Lamps on a Circle games implementation interactive math	2600	1.1k
1365G	Secure Password bitmasks combinatorics constructive algorithms interactive math	2800	1.5k
1364E	X-OR bitmasks constructive algorithms divide and conquer interactive probabilities	2700	1.7k
1363D	Guess The Maximums binary search implementation interactive math	2100	4.5k
1355F	Guess Divisors Count constructive algorithms interactive number theory	2600	984
1354G	Find a Gift binary search interactive probabilities	2600	982
1336D	Yui and Mahjong Set constructive algorithms interactive	3200	597
1305D	Kuroni and the Celebration constructive algorithms dfs and similar interactive trees	1900	5.4k
1299E	So Mean interactive math	3400	248
1292E	Rin and The Unknown Flower constructive algorithms greedy interactive math	3500	469
1291F	Coffee Varieties (easy version) graphs interactive	2800	760
1290D	Coffee Varieties (hard version) constructive algorithms graphs interactive	3000	977
1286C1	Madhouse (Easy version) brute force constructive algorithms interactive math	2400	1.6k
1286C2	Madhouse (Hard version) brute force constructive algorithms hashing interactive math	2800	767
1282D	Enchanted Artifact constructive algorithms interactive strings	2300	2.5k
1275F	Шардирование постов *special binary search interactive	unrated	93
1270D	Strange Device constructive algorithms interactive math sortings	1900	5k
1267I	Intriguing Selection brute force constructive algorithms implementation interactive sortings	2600	1.1k
1254C	Point Ordering constructive algorithms geometry interactive math	2300	1.8k
1207E	XOR Guessing bitmasks interactive math	1900	6.7k
1205C	Palindromic Paths implementation interactive	2400	1.3k
1201E1	Knightmare (easy) graphs interactive shortest paths	2900	234
1201E2	Knightmare (hard) graphs interactive shortest paths	3000	170
1179E	Alesya and Discrete Math divide and conquer interactive	3200	204
1174F	Ehab and the Big Finale constructive algorithms divide and conquer graphs implementation interactive trees	2400	2.1k
1167B	Lost Numbers brute force divide and conquer interactive math	1400	17.3k
1158E	Strange device binary search interactive math trees	3400	232
1155E	Guess the Root brute force interactive math	2200	1.7k
1153E	Serval and Snake binary search brute force interactive	2200	1.8k
1147E	Rainbow Coins interactive	3000	502
1147F	Zigzag Game games interactive	3500	375
1146C	Tree Diameter bitmasks graphs interactive	1700	4.3k
1145G	AI Takeover *special interactive	unrated	196
1142E	Pink Floyd graphs interactive	3200	643
1137D	Cooperative Game constructive algorithms interactive number theory	2400	2.2k
1129E	Legendary Tree binary search interactive trees	3100	634
1117E	Decypher the String bitmasks chinese remainder theorem constructive algorithms interactive math	2200	1.7k
1114E	Arithmetic Progression binary search interactive number theory probabilities	2200	3.3k
1103B	Game with modulo binary search constructive algorithms interactive	2000	3.6k
1100D	Dasha and Chess constructive algorithms games interactive	2500	969
1091G	New Year and the Factorisation Collaboration interactive math number theory	3200	242
1090F	How to Learn You Score constructive algorithms interactive	2600	380
1089C	Cactus Search interactive	2500	466
1088D	Ehab and another another xor problem bitmasks constructive algorithms implementation interactive	2000	3.2k
1081F	Tricky Interactor constructive algorithms implementation interactive	2600	569
1080F	Katya and Segments Sets data structures interactive sortings	2400	987
1063C	Dwarves, Hats and Extrasensory Abilities binary search constructive algorithms geometry interactive	1900	3.3k
1061F	Lost Root interactive probabilities	2400	960
1056C	Pick Heroes greedy implementation interactive sortings	1700	2.6k
1044B	Intersecting Subtrees dfs and similar interactive trees	1900	1.7k
1039B	Subway Pursuit binary search interactive probabilities	2100	2.6k
1033D	Divisors interactive math number theory	2000	2.6k
1033E	Hidden Bipartite Graph binary search constructive algorithms dfs and similar graphs interactive	2800	823
1028G	Guess the number dp interactive	3000	698
1023E	Down or Right constructive algorithms interactive matrices	2100	2.3k
1019B	The hat binary search interactive	2000	2.2k
1010B	Rocket binary search interactive	1800	6.5k
1007C	Guess two numbers binary search interactive	3000	564
952B	A Map of the Cat *special brute force interactive	1900	2.1k
927A	BuberPool Taxi Optimization *special interactive	2900	1
916D	Jamie and To-do List data structures interactive trees	2200	596
896B	Ithea Plays With Chtholly binary search constructive algorithms games greedy interactive	2000	2.3k
870D	Something with XOR Queries brute force interactive probabilities	2000	1.3k
862D	Mahmoud and Ehab and the binary string binary search divide and conquer interactive	2000	2.1k
843B	Interactive LowerBound brute force interactive probabilities	2000	2.6k
835E	The penguin's game binary search constructive algorithms interactive	2400	1.4k
811D	Vladik and Favorite Game constructive algorithms dfs and similar graphs interactive	2100	1.9k
809B	Glad to see you! binary search interactive	2200	1.8k
788D	Finding lines constructive algorithms divide and conquer interactive	3000	417
772E	Verifying Kingdom binary search divide and conquer interactive trees	3200	224
755C	PolandBall and Forest dfs and similar dsu graphs interactive trees	1300	15.4k

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