Problemset - Codeforces

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Codeforces Round 950 (Div. 3)
41:20:58
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Problems

#	Name
1526F	Median Queries constructive algorithms, interactive, probabilities	3000	x253
1521C	Nastia and a Hidden Permutation constructive algorithms, interactive	2000	x4289
1520F2	Guess the K-th Zero (Hard version) binary search, constructive algorithms, data structures, interactive	2200	x2916
1520F1	Guess the K-th Zero (Easy version) binary search, interactive	1600	x11023
1514E	Baby Ehab's Hyper Apartment binary search, graphs, interactive, sortings, two pointers	2700	x591
1510I	Is It Rated? greedy, interactive, math, probabilities	2700	x452
1505A	Is it rated - 2 *special problem, implementation, interactive	900	x14063
1503B	3-Coloring constructive algorithms, games, interactive	1700	x6857
1499G	Graph Coloring data structures, graphs, interactive	3100	x188
1498E	Two Houses brute force, graphs, greedy, interactive, sortings	2200	x1845
1493F	Enchanted Matrix bitmasks, interactive, number theory	2600	x378
1491F	Magnets binary search, constructive algorithms, interactive	2700	x907
1486C2	Guessing the Greatest (hard version) binary search, interactive	1900	x8172
1486C1	Guessing the Greatest (easy version) binary search, interactive	1600	x11708
1482G	Vabank binary search, interactive	3200	x264
1479A	Searching Local Minimum binary search, interactive, ternary search	1700	x11157
1470C	Strange Shuffle binary search, brute force, constructive algorithms, interactive	2500	x1310
1466I	The Riddle of the Sphinx binary search, data structures, data structures, interactive	3400	x184
1451E2	Bitwise Queries (Hard Version) bitmasks, constructive algorithms, interactive, math	2300	x2874
1451E1	Bitwise Queries (Easy Version) bitmasks, constructive algorithms, interactive, math	2000	x4231
1444E	Finding the Vertex brute force, dfs and similar, dp, interactive, trees	3500	x133
1442F	Differentiating Games games, interactive	3400	x130
1438F	Olha and Igor interactive, probabilities, trees	3000	x616
1428H	Rotary Laser Lock binary search, interactive	3500	x90
1425F	Flamingoes of Mystery interactive	1400	x5306
1423M	Milutin's Plums interactive	2800	x148
1407C	Chocolate Bunny constructive algorithms, interactive, math, two pointers	1600	x11506
1406E	Deleting Numbers interactive, math, number theory	2600	x1572
1404D	Game of Pairs constructive algorithms, dfs and similar, interactive, math, number theory	2800	x989
1403A	The Potion of Great Power *special problem, 2-sat, binary search, data structures, graphs, interactive, sortings, two pointers	2400	x287
1392E	Omkar and Duck bitmasks, constructive algorithms, interactive, math	2100	x3242
1386A	Colors *special problem, binary search, constructive algorithms, interactive	2700	x253
1375F	Integer Game constructive algorithms, games, interactive, math	2600	x1941
1372F	Omkar and Modes binary search, divide and conquer, interactive	2700	x427
1370F2	The Hidden Pair (Hard Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2700	x1253
1370F1	The Hidden Pair (Easy Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2400	x1375
1368F	Lamps on a Circle games, implementation, interactive, math	2600	x850
1365G	Secure Password bitmasks, combinatorics, constructive algorithms, interactive, math	2800	x921
1364E	X-OR bitmasks, constructive algorithms, divide and conquer, interactive, probabilities	2700	x1118
1363D	Guess The Maximums binary search, implementation, interactive, math	2100	x3838
1355F	Guess Divisors Count constructive algorithms, interactive, number theory	2600	x818
1354G	Find a Gift binary search, interactive, probabilities	2600	x723
1340E	Nastya and Bees graphs, interactive, probabilities	3000	x53
1336D	Yui and Mahjong Set constructive algorithms, interactive	3200	x467
1305D	Kuroni and the Celebration constructive algorithms, dfs and similar, interactive, trees	1900	x4761
1299E	So Mean interactive, math	3400	x149
1292E	Rin and The Unknown Flower constructive algorithms, greedy, interactive, math	3500	x329
1291F	Coffee Varieties (easy version) graphs, interactive	2800	x505
1290D	Coffee Varieties (hard version) constructive algorithms, graphs, interactive	3000	x669
1286C2	Madhouse (Hard version) brute force, constructive algorithms, hashing, interactive, math	2800	x613
1286C1	Madhouse (Easy version) brute force, constructive algorithms, interactive, math	2400	x1263
1282D	Enchanted Artifact constructive algorithms, interactive, strings	2300	x2069
1275F	Шардирование постов *special problem, binary search, interactive		x91
1270D	Strange Device constructive algorithms, interactive, math, sortings	1900	x4459
1267I	Intriguing Selection brute force, constructive algorithms, implementation, interactive, sortings	2600	x737
1254C	Point Ordering constructive algorithms, geometry, interactive, math	2300	x1264
1207E	XOR Guessing bitmasks, interactive, math	1900	x5764
1205C	Palindromic Paths implementation, interactive	2400	x1132
1201E2	Knightmare (hard) graphs, interactive, shortest paths	3000	x141
1201E1	Knightmare (easy) graphs, interactive, shortest paths	2900	x126
1179E	Alesya and Discrete Math divide and conquer, interactive	3200	x170
1174F	Ehab and the Big Finale constructive algorithms, divide and conquer, graphs, implementation, interactive, trees	2400	x1459
1167B	Lost Numbers brute force, divide and conquer, interactive, math	1400	x10808
1158E	Strange device binary search, interactive, math, trees	3400	x148
1155E	Guess the Root brute force, interactive, math	2200	x1394
1153E	Serval and Snake binary search, brute force, interactive	2200	x1452
1147F	Zigzag Game games, interactive	3500	x240
1147E	Rainbow Coins interactive	3000	x324
1146C	Tree Diameter bitmasks, graphs, interactive	1700	x3531
1145G	AI Takeover interactive		x162
1142E	Pink Floyd graphs, interactive	3200	x488
1137D	Cooperative Game constructive algorithms, interactive, number theory	2400	x1482
1129E	Legendary Tree binary search, interactive, trees	3100	x416
1117E	Decypher the String bitmasks, chinese remainder theorem, constructive algorithms, interactive, math	2200	x1457
1114E	Arithmetic Progression binary search, interactive, number theory, probabilities	2200	x2778
1103B	Game with modulo binary search, constructive algorithms, interactive	2000	x3175
1100D	Dasha and Chess constructive algorithms, games, interactive	2500	x837
1091G	New Year and the Factorisation Collaboration interactive, math, number theory	3200	x198
1090F	How to Learn You Score constructive algorithms, interactive	2600	x315
1089C	Cactus Search interactive	2500	x402
1088D	Ehab and another another xor problem bitmasks, constructive algorithms, implementation, interactive	2000	x2774
1081F	Tricky Interactor constructive algorithms, implementation, interactive	2600	x453
1080F	Katya and Segments Sets data structures, interactive, sortings	2400	x673
1063C	Dwarves, Hats and Extrasensory Abilities binary search, constructive algorithms, geometry, interactive	1900	x2794
1061F	Lost Root interactive, probabilities	2400	x691
1056C	Pick Heroes greedy, implementation, interactive, sortings	1700	x2323
1044B	Intersecting Subtrees dfs and similar, interactive, trees	1900	x1552
1039B	Subway Pursuit binary search, interactive, probabilities	2100	x2284
1033E	Hidden Bipartite Graph binary search, constructive algorithms, dfs and similar, graphs, interactive	2800	x586
1033D	Divisors interactive, math, number theory	2000	x2314
1028G	Guess the number dp, interactive	3000	x533
1023E	Down or Right constructive algorithms, interactive, matrices	2100	x1961
1019B	The hat binary search, interactive	2000	x1892
1010B	Rocket binary search, interactive	1800	x5078
1007C	Guess two numbers binary search, interactive	3000	x408
952B	A Map of the Cat brute force, interactive	1900	x2005
927A	BuberPool Taxi Optimization *special problem, interactive	2900	x1
916D	Jamie and To-do List data structures, interactive, trees	2200	x492
896B	Ithea Plays With Chtholly binary search, constructive algorithms, games, greedy, interactive	2000	x2055
870D	Something with XOR Queries brute force, interactive, probabilities	2000	x1198