Problemset - Codeforces

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Codeforces Round #727 (Div. 2)
17:55:42
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Problems

#	Name
1428H	Rotary Laser Lock binary search, interactive	3500	x36
1534H	Lost Nodes constructive algorithms, dp, graphs, interactive, sortings, trees	3500	x49
1444E	Finding the Vertex brute force, dfs and similar, dp, interactive, trees	3500	x62
750H	New Year and Snowy Grid dfs and similar, dsu, graphs, interactive	3500	x99
1147F	Zigzag Game games, interactive	3500	x114
1292E	Rin and The Unknown Flower constructive algorithms, greedy, interactive, math	3500	x145
1442F	Differentiating Games games, interactive	3400	x39
1158E	Strange device binary search, interactive, math, trees	3400	x66
1299E	So Mean interactive, math	3400	x84
1466I	The Riddle of the Sphinx binary search, data structures, data structures, interactive	3400	x92
1179E	Alesya and Discrete Math divide and conquer, interactive	3200	x79
772E	Verifying Kingdom binary search, divide and conquer, interactive, trees	3200	x79
1091G	New Year and the Factorisation Collaboration interactive, math, number theory	3200	x116
1482G	Vabank binary search, interactive	3200	x124
1142E	Pink Floyd graphs, interactive	3200	x193
1336D	Yui and Mahjong Set constructive algorithms, interactive	3200	x354
1499G	Graph Coloring data structures, graphs, interactive	3100	x73
1129E	Legendary Tree binary search, interactive, trees	3100	x238
1340E	Nastya and Bees graphs, interactive, probabilities	3000	x38
1201E2	Knightmare (hard) graphs, interactive, shortest paths	3000	x91
1526F	Median Queries constructive algorithms, interactive, probabilities	3000	x96
788D	Finding lines constructive algorithms, divide and conquer, interactive	3000	x178
1147E	Rainbow Coins interactive	3000	x217
1007C	Guess two numbers binary search, interactive	3000	x238
1438F	Olha and Igor interactive, probabilities, trees	3000	x287
1028G	Guess the number dp, interactive	3000	x293
1290D	Coffee Varieties (hard version) constructive algorithms, graphs, interactive	3000	x323
1201E1	Knightmare (easy) graphs, interactive, shortest paths	2900	x84
1423M	Milutin's Plums interactive	2800	x95
1291F	Coffee Varieties (easy version) graphs, interactive	2800	x237
750F	New Year and Finding Roots constructive algorithms, implementation, interactive, trees	2800	x341
1033E	Hidden Bipartite Graph binary search, constructive algorithms, dfs and similar, graphs, interactive	2800	x352
1286C2	Madhouse (Hard version) brute force, constructive algorithms, hashing, interactive, math	2800	x415
1365G	Secure Password bitmasks, combinatorics, constructive algorithms, interactive, math	2800	x529
1404D	Game of Pairs constructive algorithms, dfs and similar, interactive, math, number theory	2800	x571
1386A	Colors *special problem, binary search, constructive algorithms, interactive	2700	x168
1510I	Is It Rated? greedy, interactive, math, probabilities	2700	x251
1372F	Omkar and Modes binary search, divide and conquer, interactive	2700	x270
1514E	Baby Ehab's Hyper Apartment binary search, graphs, interactive, sortings, two pointers	2700	x307
1491F	Magnets binary search, constructive algorithms, interactive	2700	x601
1364E	X-OR bitmasks, constructive algorithms, divide and conquer, interactive, probabilities	2700	x725
1370F2	The Hidden Pair (Hard Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2700	x910
1090F	How to Learn You Score constructive algorithms, interactive	2600	x143
1493F	Enchanted Matrix bitmasks, interactive, number theory	2600	x249
1081F	Tricky Interactor constructive algorithms, implementation, interactive	2600	x306
1354G	Find a Gift binary search, interactive, probabilities	2600	x428
1267I	Intriguing Selection brute force, constructive algorithms, implementation, interactive, sortings	2600	x480
1355F	Guess Divisors Count constructive algorithms, interactive, number theory	2600	x533
1368F	Lamps on a Circle games, implementation, interactive, math	2600	x648
1406E	Deleting Numbers interactive, math, number theory	2600	x1079
1375F	Integer Game constructive algorithms, games, interactive, math	2600	x1459
753C	Interactive Bulls and Cows (Hard) brute force, constructive algorithms, interactive	2500	x225
1089C	Cactus Search interactive	2500	x286
1100D	Dasha and Chess constructive algorithms, games, interactive	2500	x671
1470C	Strange Shuffle binary search, brute force, constructive algorithms, interactive	2500	x970
1403A	The Potion of Great Power *special problem, 2-sat, binary search, data structures, graphs, interactive, sortings, two pointers	2400	x217
1061F	Lost Root interactive, probabilities	2400	x442
1080F	Katya and Segments Sets data structures, interactive, sortings	2400	x452
835E	The penguin's game binary search, constructive algorithms, interactive	2400	x726
710F	String Set Queries brute force, data structures, hashing, interactive, string suffix structures, strings	2400	x779
1137D	Cooperative Game constructive algorithms, interactive, number theory	2400	x816
1174F	Ehab and the Big Finale constructive algorithms, divide and conquer, graphs, implementation, interactive, trees	2400	x877
1286C1	Madhouse (Easy version) brute force, constructive algorithms, interactive, math	2400	x888
1205C	Palindromic Paths implementation, interactive	2400	x932
1370F1	The Hidden Pair (Easy Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2400	x1020
1254C	Point Ordering constructive algorithms, geometry, interactive, math	2300	x978
1534E	Lost Array graphs, greedy, interactive, shortest paths	2300	x1043
1282D	Enchanted Artifact constructive algorithms, interactive, strings	2300	x1612
1451E2	Bitwise Queries (Hard Version) bitmasks, constructive algorithms, interactive, math	2300	x1995
916D	Jamie and To-do List data structures, interactive, trees	2200	x320
1155E	Guess the Root brute force, interactive, math	2200	x1055
1117E	Decypher the String bitmasks, chinese remainder theorem, constructive algorithms, interactive, math	2200	x1130
1153E	Serval and Snake binary search, brute force, interactive	2200	x1183
809B	Glad to see you! binary search, interactive	2200	x1231
713B	Searching Rectangles binary search, constructive algorithms, interactive	2200	x1273
1498E	Two Houses brute force, graphs, greedy, interactive, sortings	2200	x1361
1535E	Gold Transfer binary search, data structures, dp, greedy, interactive, trees	2200	x1533
1520F2	Guess the K-th Zero (Hard version) binary search, constructive algorithms, data structures, interactive	2200	x2016
1114E	Arithmetic Progression binary search, interactive, number theory, probabilities	2200	x2040
811D	Vladik and Favorite Game constructive algorithms, dfs and similar, graphs, interactive	2100	x1226
1023E	Down or Right constructive algorithms, interactive, matrices	2100	x1578
1039B	Subway Pursuit binary search, interactive, probabilities	2100	x1735
1392E	Omkar and Duck bitmasks, constructive algorithms, interactive, math	2100	x2646
1363D	Guess The Maximums binary search, implementation, interactive, math	2100	x3151
870D	Something with XOR Queries brute force, interactive, probabilities	2000	x1038
862D	Mahmoud and Ehab and the binary string binary search, divide and conquer, interactive	2000	x1419
1019B	The hat binary search, interactive	2000	x1528
896B	Ithea Plays With Chtholly binary search, constructive algorithms, games, greedy, interactive	2000	x1640
843B	Interactive LowerBound brute force, interactive, probabilities	2000	x1647
1033D	Divisors interactive, math, number theory	2000	x1744
1088D	Ehab and another another xor problem bitmasks, constructive algorithms, implementation, interactive	2000	x2056
1103B	Game with modulo binary search, constructive algorithms, interactive	2000	x2651
1451E1	Bitwise Queries (Easy Version) bitmasks, constructive algorithms, interactive, math	2000	x3013
1521C	Nastia and a Hidden Permutation constructive algorithms, interactive	2000	x3336
1044B	Intersecting Subtrees dfs and similar, interactive, trees	1900	x1335
744B	Hongcow's Game bitmasks, divide and conquer, interactive	1900	x1472
952B	A Map of the Cat brute force, interactive	1900	x1669
1063C	Dwarves, Hats and Extrasensory Abilities binary search, constructive algorithms, geometry, interactive	1900	x2211
1270D	Strange Device constructive algorithms, interactive, math, sortings	1900	x3643
1305D	Kuroni and the Celebration constructive algorithms, dfs and similar, interactive, trees	1900	x3740

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