Problemset - Codeforces

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Problems

#	Name
1428H	Rotary Laser Lock binary search, interactive	3500	x26
1444E	Finding the Vertex brute force, dfs and similar, dp, interactive, trees	3500	x54
750H	New Year and Snowy Grid dfs and similar, dsu, graphs, interactive	3500	x96
1147F	Zigzag Game games, interactive	3500	x99
1292E	Rin and The Unknown Flower constructive algorithms, greedy, interactive, math	3500	x131
1442F	Differentiating Games games, interactive	3400	x36
1158E	Strange device binary search, interactive, math, trees	3400	x62
1299E	So Mean interactive, math	3400	x72
1466I	The Riddle of the Sphinx binary search, data structures, interactive	3400	x74
1179E	Alesya and Discrete Math divide and conquer, interactive	3200	x75
772E	Verifying Kingdom binary search, divide and conquer, interactive, trees	3200	x78
1091G	New Year and the Factorisation Collaboration interactive, math, number theory	3200	x110
1142E	Pink Floyd graphs, interactive	3200	x159
1336D	Yui and Mahjong Set constructive algorithms, interactive	3200	x333
1129E	Legendary Tree binary search, interactive, trees	3100	x226
1340E	Nastya and Bees graphs, interactive, probabilities	3000	x38
1201E2	Knightmare (hard) graphs, interactive, shortest paths	3000	x85
788D	Finding lines constructive algorithms, divide and conquer, interactive	3000	x168
1147E	Rainbow Coins interactive	3000	x205
1007C	Guess two numbers binary search, interactive	3000	x227
1438F	Olha and Igor interactive, probabilities, trees	3000	x248
1028G	Guess the number dp, interactive	3000	x277
1290D	Coffee Varieties (hard version) constructive algorithms, graphs, interactive	3000	x294
1201E1	Knightmare (easy) graphs, interactive, shortest paths	2900	x75
1423M	Milutin's Plums interactive	2800	x76
1291F	Coffee Varieties (easy version) graphs, interactive	2800	x212
1033E	Hidden Bipartite Graph binary search, constructive algorithms, dfs and similar, graphs, interactive	2800	x321
750F	New Year and Finding Roots constructive algorithms, implementation, interactive, trees	2800	x334
1286C2	Madhouse (Hard version) brute force, constructive algorithms, hashing, interactive, math	2800	x383
1365G	Secure Password bitmasks, combinatorics, constructive algorithms, interactive, math	2800	x500
1404D	Game of Pairs constructive algorithms, dfs and similar, interactive, math, number theory	2800	x509
1386A	Colors *special problem, binary search, constructive algorithms, interactive	2700	x146
1372F	Omkar and Modes binary search, divide and conquer, interactive	2700	x256
1491F	Magnets binary search, constructive algorithms, interactive	2700	x461
1364E	X-OR bitmasks, constructive algorithms, divide and conquer, interactive, probabilities	2700	x689
1370F2	The Hidden Pair (Hard Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2700	x872
1090F	How to Learn You Score constructive algorithms, interactive	2600	x140
1081F	Tricky Interactor constructive algorithms, implementation, interactive	2600	x291
1354G	Find a Gift binary search, interactive, probabilities	2600	x413
1267I	Intriguing Selection brute force, constructive algorithms, implementation, interactive, sortings	2600	x464
1355F	Guess Divisors Count constructive algorithms, interactive, number theory	2600	x512
1368F	Lamps on a Circle games, implementation, interactive, math	2600	x611
1406E	Deleting Numbers interactive, math, number theory	2600	x1020
1375F	Integer Game constructive algorithms, games, interactive, math	2600	x1396
753C	Interactive Bulls and Cows (Hard) brute force, constructive algorithms, interactive	2500	x221
1089C	Cactus Search interactive	2500	x274
1100D	Dasha and Chess constructive algorithms, games, interactive	2500	x651
1470C	Strange Shuffle binary search, brute force, constructive algorithms, interactive	2500	x899
1403A	The Potion of Great Power *special problem, 2-sat, binary search, data structures, graphs, interactive, sortings, two pointers	2400	x203
1061F	Lost Root interactive, probabilities	2400	x419
1080F	Katya and Segments Sets data structures, interactive, sortings	2400	x428
835E	The penguin's game binary search, constructive algorithms, interactive	2400	x710
710F	String Set Queries brute force, data structures, hashing, interactive, string suffix structures, strings	2400	x732
1137D	Cooperative Game constructive algorithms, interactive, number theory	2400	x755
1174F	Ehab and the Big Finale constructive algorithms, divide and conquer, graphs, implementation, interactive, trees	2400	x842
1286C1	Madhouse (Easy version) brute force, constructive algorithms, interactive, math	2400	x850
1205C	Palindromic Paths implementation, interactive	2400	x894
1370F1	The Hidden Pair (Easy Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2400	x975
1254C	Point Ordering constructive algorithms, geometry, interactive, math	2300	x925
1282D	Enchanted Artifact constructive algorithms, interactive, strings	2300	x1558
1451E2	Bitwise Queries (Hard Version) bitmasks, constructive algorithms, interactive, math	2300	x1851
916D	Jamie and To-do List data structures, interactive, trees	2200	x307
1155E	Guess the Root brute force, interactive, math	2200	x1019
1117E	Decypher the String bitmasks, chinese remainder theorem, constructive algorithms, interactive, math	2200	x1099
1153E	Serval and Snake binary search, brute force, interactive	2200	x1159
809B	Glad to see you! binary search, interactive	2200	x1188
713B	Searching Rectangles binary search, constructive algorithms, interactive	2200	x1226
1114E	Arithmetic Progression binary search, interactive, number theory, probabilities	2200	x1992
811D	Vladik and Favorite Game constructive algorithms, dfs and similar, graphs, interactive	2100	x1195
1023E	Down or Right constructive algorithms, interactive, matrices	2100	x1527
1039B	Subway Pursuit binary search, interactive, probabilities	2100	x1672
1392E	Omkar and Duck bitmasks, constructive algorithms, interactive, math	2100	x2542
1363D	Guess The Maximums binary search, implementation, interactive, math	2100	x3066
870D	Something with XOR Queries brute force, interactive, probabilities	2000	x1017
862D	Mahmoud and Ehab and the binary string binary search, divide and conquer, interactive	2000	x1350
1019B	The hat binary search, interactive	2000	x1479
896B	Ithea Plays With Chtholly binary search, constructive algorithms, games, greedy, interactive	2000	x1590
843B	Interactive LowerBound brute force, interactive, probabilities	2000	x1598
1033D	Divisors interactive, math, number theory	2000	x1676
1088D	Ehab and another another xor problem bitmasks, constructive algorithms, implementation, interactive	2000	x1964
1103B	Game with modulo binary search, constructive algorithms, interactive	2000	x2574
1451E1	Bitwise Queries (Easy Version) bitmasks, constructive algorithms, interactive, math	2000	x2819
1044B	Intersecting Subtrees dfs and similar, interactive, trees	1900	x1279
744B	Hongcow's Game bitmasks, divide and conquer, interactive	1900	x1449
952B	A Map of the Cat brute force, interactive	1900	x1627
1063C	Dwarves, Hats and Extrasensory Abilities binary search, constructive algorithms, geometry, interactive	1900	x2141
1270D	Strange Device constructive algorithms, interactive, math, sortings	1900	x3541
1305D	Kuroni and the Celebration constructive algorithms, dfs and similar, interactive, trees	1900	x3629
1207E	XOR Guessing bitmasks, interactive, math	1900	x3991
1486C2	Guessing the Greatest (hard version) binary search, interactive	1900	x4693
730B	Minimum and Maximum constructive algorithms, interactive	1800	x1896
1010B	Rocket binary search, interactive	1800	x3859
1056C	Pick Heroes greedy, implementation, interactive, sortings	1700	x1829
1146C	Tree Diameter bitmasks, graphs, interactive	1700	x2635
1479A	Searching Local Minimum binary search, interactive, ternary search	1700	x6993
1486C1	Guessing the Greatest (easy version) binary search, interactive	1600	x6499
1407C	Chocolate Bunny constructive algorithms, interactive, math, two pointers	1600	x7788
1425F	Flamingoes of Mystery interactive	1400	x2473
727C	Guess the Array constructive algorithms, interactive, math	1400	x3678
1167B	Lost Numbers brute force, divide and conquer, interactive, math	1400	x6844

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