Problemset - Codeforces

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Divide by Zero 2021 and Codeforces Round #714 (Div. 2)
08:13:47
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Problems

#	Name
1510I	Is It Rated? greedy, interactive, math, probabilities	2700	x159
1503B	3-Coloring constructive algorithms, games, interactive	1700	x4184
1505A	Is it rated - 2 implementation, interactive		x8294
1498E	Two Houses brute force, graphs, greedy, interactive, sortings	2200	x1219
1482G	Vabank binary search, interactive	3200	x88
1499G	Graph Coloring data structures, graphs, interactive	3100	x55
1493F	Enchanted Matrix bitmasks, interactive, number theory	2600	x219
1491F	Magnets binary search, constructive algorithms, interactive	2700	x565
1486C2	Guessing the Greatest (hard version) binary search, interactive	1900	x5122
1486C1	Guessing the Greatest (easy version) binary search, interactive	1600	x7056
1479A	Searching Local Minimum binary search, interactive, ternary search	1700	x7369
1470C	Strange Shuffle binary search, brute force, constructive algorithms, interactive	2500	x933
1466I	The Riddle of the Sphinx binary search, data structures, data structures, interactive	3400	x84
1451E1	Bitwise Queries (Easy Version) bitmasks, constructive algorithms, interactive, math	2000	x2886
1451E2	Bitwise Queries (Hard Version) bitmasks, constructive algorithms, interactive, math	2300	x1914
1438F	Olha and Igor interactive, probabilities, trees	3000	x265
1442F	Differentiating Games games, interactive	3400	x36
1444E	Finding the Vertex brute force, dfs and similar, dp, interactive, trees	3500	x57
1428H	Rotary Laser Lock binary search, interactive	3500	x28
1423M	Milutin's Plums interactive	2800	x77
1425F	Flamingoes of Mystery interactive	1400	x2612
1406E	Deleting Numbers interactive, math, number theory	2600	x1044
1407C	Chocolate Bunny constructive algorithms, interactive, math, two pointers	1600	x7961
1404D	Game of Pairs constructive algorithms, dfs and similar, interactive, math, number theory	2800	x528
1403A	The Potion of Great Power *special problem, 2-sat, binary search, data structures, graphs, interactive, sortings, two pointers	2400	x207
1392E	Omkar and Duck bitmasks, constructive algorithms, interactive, math	2100	x2572
1386A	Colors *special problem, binary search, constructive algorithms, interactive	2700	x148
1372F	Omkar and Modes binary search, divide and conquer, interactive	2700	x260
1375F	Integer Game constructive algorithms, games, interactive, math	2600	x1426
1370F2	The Hidden Pair (Hard Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2700	x891
1370F1	The Hidden Pair (Easy Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2400	x993
1368F	Lamps on a Circle games, implementation, interactive, math	2600	x625
1364E	X-OR bitmasks, constructive algorithms, divide and conquer, interactive, probabilities	2700	x702
1365G	Secure Password bitmasks, combinatorics, constructive algorithms, interactive, math	2800	x505
1363D	Guess The Maximums binary search, implementation, interactive, math	2100	x3087
1354G	Find a Gift binary search, interactive, probabilities	2600	x419
1355F	Guess Divisors Count constructive algorithms, interactive, number theory	2600	x515
1340E	Nastya and Bees graphs, interactive, probabilities	3000	x38
1336D	Yui and Mahjong Set constructive algorithms, interactive	3200	x337
1305D	Kuroni and the Celebration constructive algorithms, dfs and similar, interactive, trees	1900	x3652
1299E	So Mean interactive, math	3400	x74
1291F	Coffee Varieties (easy version) graphs, interactive	2800	x220
1290D	Coffee Varieties (hard version) constructive algorithms, graphs, interactive	3000	x297
1292E	Rin and The Unknown Flower constructive algorithms, greedy, interactive, math	3500	x133
1286C2	Madhouse (Hard version) brute force, constructive algorithms, hashing, interactive, math	2800	x387
1286C1	Madhouse (Easy version) brute force, constructive algorithms, interactive, math	2400	x857
1270D	Strange Device constructive algorithms, interactive, math, sortings	1900	x3589
1282D	Enchanted Artifact constructive algorithms, interactive, strings	2300	x1579
1275F	Шардирование постов *special problem, binary search, interactive		x91
1267I	Intriguing Selection brute force, constructive algorithms, implementation, interactive, sortings	2600	x467
1254C	Point Ordering constructive algorithms, geometry, interactive, math	2300	x940
1207E	XOR Guessing bitmasks, interactive, math	1900	x4090
1205C	Palindromic Paths implementation, interactive	2400	x907
1201E2	Knightmare (hard) graphs, interactive, shortest paths	3000	x86
1201E1	Knightmare (easy) graphs, interactive, shortest paths	2900	x78
1179E	Alesya and Discrete Math divide and conquer, interactive	3200	x77
1174F	Ehab and the Big Finale constructive algorithms, divide and conquer, graphs, implementation, interactive, trees	2400	x851
1167B	Lost Numbers brute force, divide and conquer, interactive, math	1400	x6948
1158E	Strange device binary search, interactive, math, trees	3400	x63
1147F	Zigzag Game games, interactive	3500	x111
1147E	Rainbow Coins interactive	3000	x211
1155E	Guess the Root brute force, interactive, math	2200	x1030
1146C	Tree Diameter bitmasks, graphs, interactive	1700	x2723
1153E	Serval and Snake binary search, brute force, interactive	2200	x1165
1145G	AI Takeover interactive		x102
1142E	Pink Floyd graphs, interactive	3200	x164
1137D	Cooperative Game constructive algorithms, interactive, number theory	2400	x772
1129E	Legendary Tree binary search, interactive, trees	3100	x228
1117E	Decypher the String bitmasks, chinese remainder theorem, constructive algorithms, interactive, math	2200	x1106
1114E	Arithmetic Progression binary search, interactive, number theory, probabilities	2200	x2008
1103B	Game with modulo binary search, constructive algorithms, interactive	2000	x2597
1100D	Dasha and Chess constructive algorithms, games, interactive	2500	x661
1091G	New Year and the Factorisation Collaboration interactive, math, number theory	3200	x110
1081F	Tricky Interactor constructive algorithms, implementation, interactive	2600	x296
1090F	How to Learn You Score constructive algorithms, interactive	2600	x141
1088D	Ehab and another another xor problem bitmasks, constructive algorithms, implementation, interactive	2000	x1997
1089C	Cactus Search interactive	2500	x281
1056C	Pick Heroes greedy, implementation, interactive, sortings	1700	x1851
1080F	Katya and Segments Sets data structures, interactive, sortings	2400	x434
1061F	Lost Root interactive, probabilities	2400	x434
1044B	Intersecting Subtrees dfs and similar, interactive, trees	1900	x1316
1063C	Dwarves, Hats and Extrasensory Abilities binary search, constructive algorithms, geometry, interactive	1900	x2176
1033E	Hidden Bipartite Graph binary search, constructive algorithms, dfs and similar, graphs, interactive	2800	x331
1033D	Divisors interactive, math, number theory	2000	x1696
1039B	Subway Pursuit binary search, interactive, probabilities	2100	x1703
1028G	Guess the number dp, interactive	3000	x281
1023E	Down or Right constructive algorithms, interactive, matrices	2100	x1543
1019B	The hat binary search, interactive	2000	x1495
1010B	Rocket binary search, interactive	1800	x3920
1007C	Guess two numbers binary search, interactive	3000	x229
952B	A Map of the Cat brute force, interactive	1900	x1661
916D	Jamie and To-do List data structures, interactive, trees	2200	x310
896B	Ithea Plays With Chtholly binary search, constructive algorithms, games, greedy, interactive	2000	x1618
870D	Something with XOR Queries brute force, interactive, probabilities	2000	x1021
862D	Mahmoud and Ehab and the binary string binary search, divide and conquer, interactive	2000	x1400
843B	Interactive LowerBound brute force, interactive, probabilities	2000	x1609
835E	The penguin's game binary search, constructive algorithms, interactive	2400	x714
811D	Vladik and Favorite Game constructive algorithms, dfs and similar, graphs, interactive	2100	x1213
809B	Glad to see you! binary search, interactive	2200	x1216
772E	Verifying Kingdom binary search, divide and conquer, interactive, trees	3200	x78

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