Problemset - Codeforces

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Codeforces Round #847 (Div. 3)
03:52:27
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Problems

#	Name
1780D	Bit Guessing Game binary search, bitmasks, constructive algorithms, interactive		x2589
1779E	Anya's Simultaneous Exhibition constructive algorithms, graphs, greedy, interactive, sortings	2400	x1309
1773I	Interactive Factorial Guessing brute force, games, implementation, interactive	2500	x305
1773H	Hot and Cold binary search, interactive	2600	x213
1765G	Guess the String constructive algorithms, interactive, probabilities	2600	x218
1764G3	Doremy's Perfect DS Class (Hard Version) binary search, interactive	3300	x209
1764G2	Doremy's Perfect DS Class (Medium Version) binary search, interactive	3000	x254
1764G1	Doremy's Perfect DS Class (Easy Version) binary search, interactive	2900	x296
1762D	GCD Queries constructive algorithms, interactive, number theory	2100	x2429
1761G	Centroid Guess interactive, probabilities, trees	3500	x70
1746E2	Joking (Hard Version) dp, interactive	3200	x244
1746E1	Joking (Easy Version) binary search, constructive algorithms, interactive, ternary search	2500	x1103
1738F	Connectivity Addicts constructive algorithms, dsu, graphs, greedy, interactive, shortest paths, trees	2400	x954
1729E	Guess the Cycle Size interactive, probabilities	1800	x5521
1721F	Matching Reduction brute force, constructive algorithms, dfs and similar, flows, graph matchings, graphs, interactive	2800	x270
1715F	Crop Squares constructive algorithms, geometry, interactive, math	2700	x421
1713D	Tournament Countdown constructive algorithms, greedy, interactive, number theory, probabilities	1800	x4782
1705F	Mark and the Online Exam bitmasks, constructive algorithms, interactive, probabilities	2900	x449
1698D	Fixed Point Guessing binary search, constructive algorithms, interactive	1600	x7249
1697D	Guess The String binary search, constructive algorithms, interactive	1900	x3652
1687B	Railway System constructive algorithms, graphs, greedy, interactive, sortings	1700	x2898
1673F	Anti-Theft Road Planning bitmasks, constructive algorithms, divide and conquer, greedy, interactive, math	2400	x647
1672E	notepad.exe binary search, constructive algorithms, greedy, interactive	2200	x1857
1666I	Interactive Treasure Hunt brute force, constructive algorithms, geometry, interactive, math	2200	x1165
1665D	GCD Guess bitmasks, chinese remainder theorem, constructive algorithms, games, interactive, math, number theory	2000	x3025
1639K	Treasure Hunt graphs, interactive
1639J	Treasure Hunt graphs, interactive
1639I	Treasure Hunt graphs, interactive
1639H	Treasure Hunt graphs, interactive
1639G	Treasure Hunt graphs, interactive
1639F	Treasure Hunt graphs, interactive
1639E	Treasure Hunt graphs, interactive
1639D	Treasure Hunt graphs, interactive
1639C	Treasure Hunt graphs, interactive
1639B	Treasure Hunt graphs, interactive
1639A	Treasure Hunt graphs, interactive
1634D	Finding Zero constructive algorithms, interactive, math	2000	x3776
1633F	Perfect Matching data structures, divide and conquer, interactive, trees	2800	x243
1628C	Grid Xor constructive algorithms, greedy, implementation, interactive, math	2300	x2713
1624F	Interacdive Problem binary search, constructive algorithms, interactive	2000	x2707
1621C	Hidden Permutations dfs and similar, interactive, math	1700	x6052
1617D2	Too Many Impostors (hard version) constructive algorithms, implementation, interactive, math	2400	x1441
1617D1	Too Many Impostors (easy version) constructive algorithms, implementation, interactive	1800	x3971
1599H	Hidden Fortress interactive, math	2100	x861
1592D	Hemose in ICPC ? binary search, dfs and similar, implementation, interactive, math, number theory, trees	2300	x1923
1584D	Guess the Permutation binary search, combinatorics, interactive, math	2000	x3114
1583D	Omkar and the Meaning of Life constructive algorithms, greedy, interactive	1800	x4710
1578M	The Mind constructive algorithms, interactive, probabilities	2700	x391
1578I	Interactive Rays geometry, interactive	3300	x44
1566H	Xor-quiz constructive algorithms, dp, interactive, math, number theory	3200	x81
1562F	Tubular Bells interactive, math, number theory, probabilities	2900	x257
1557E	Assiut Chess brute force, constructive algorithms, interactive	2800	x610
1556D	Take a Guess bitmasks, constructive algorithms, interactive, math	1800	x5317
1552H	Guess the Perimeter binary search, interactive, number theory	3300	x215
1546B	AquaMoon and Stolen String interactive, math	1200	x11852
1545D	AquaMoon and Wrong Coordinate constructive algorithms, interactive, math	3000	x320
1543D2	RPD and Rap Sheet (Hard Version) brute force, constructive algorithms, interactive, math	2200	x1791
1543D1	RPD and Rap Sheet (Easy Version) bitmasks, constructive algorithms, interactive, math	1700	x6894
1535E	Gold Transfer binary search, data structures, dp, greedy, interactive, trees	2200	x2290
1534H	Lost Nodes constructive algorithms, dp, graphs, interactive, sortings, trees	3500	x111
1534E	Lost Array graphs, greedy, interactive, shortest paths	2300	x1615
1534D	Lost Tree constructive algorithms, interactive, trees	1800	x5027
1526F	Median Queries constructive algorithms, interactive, probabilities	3000	x184
1521C	Nastia and a Hidden Permutation constructive algorithms, interactive	2000	x3963
1520F2	Guess the K-th Zero (Hard version) binary search, constructive algorithms, data structures, interactive	2200	x2556
1520F1	Guess the K-th Zero (Easy version) binary search, interactive	1600	x9023
1514E	Baby Ehab's Hyper Apartment binary search, graphs, interactive, sortings, two pointers	2700	x427
1510I	Is It Rated? greedy, interactive, math, probabilities	2700	x380
1505A	Is it rated - 2 *special problem, implementation, interactive	900	x12328
1503B	3-Coloring constructive algorithms, games, interactive	1700	x6322
1499G	Graph Coloring data structures, graphs, interactive	3100	x141
1498E	Two Houses brute force, graphs, greedy, interactive, sortings	2200	x1646
1493F	Enchanted Matrix bitmasks, interactive, number theory	2600	x317
1491F	Magnets binary search, constructive algorithms, interactive	2700	x785
1486C2	Guessing the Greatest (hard version) binary search, interactive	1900	x6971
1486C1	Guessing the Greatest (easy version) binary search, interactive	1600	x9989
1482G	Vabank binary search, interactive	3200	x183
1479A	Searching Local Minimum binary search, interactive, ternary search	1700	x9696
1470C	Strange Shuffle binary search, brute force, constructive algorithms, interactive	2500	x1171
1466I	The Riddle of the Sphinx binary search, data structures, data structures, interactive	3400	x127
1451E2	Bitwise Queries (Hard Version) bitmasks, constructive algorithms, interactive, math	2300	x2493
1451E1	Bitwise Queries (Easy Version) bitmasks, constructive algorithms, interactive, math	2000	x3736
1444E	Finding the Vertex brute force, dfs and similar, dp, interactive, trees	3500	x88
1442F	Differentiating Games games, interactive	3400	x86
1438F	Olha and Igor interactive, probabilities, trees	3000	x391
1428H	Rotary Laser Lock binary search, interactive	3500	x67
1425F	Flamingoes of Mystery interactive	1400	x4168
1423M	Milutin's Plums interactive	2800	x112
1407C	Chocolate Bunny constructive algorithms, interactive, math, two pointers	1600	x10243
1406E	Deleting Numbers interactive, math, number theory	2600	x1286
1404D	Game of Pairs constructive algorithms, dfs and similar, interactive, math, number theory	2800	x788
1403A	The Potion of Great Power *special problem, 2-sat, binary search, data structures, graphs, interactive, sortings, two pointers	2400	x268
1392E	Omkar and Duck bitmasks, constructive algorithms, interactive, math	2100	x2976
1386A	Colors *special problem, binary search, constructive algorithms, interactive	2700	x206
1375F	Integer Game constructive algorithms, games, interactive, math	2600	x1700
1372F	Omkar and Modes binary search, divide and conquer, interactive	2700	x340
1370F2	The Hidden Pair (Hard Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2700	x1071
1370F1	The Hidden Pair (Easy Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2400	x1198
1368F	Lamps on a Circle games, implementation, interactive, math	2600	x763
1365G	Secure Password bitmasks, combinatorics, constructive algorithms, interactive, math	2800	x723

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