Problemset - Codeforces

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Refact.ai Match 1 (Codeforces Round 985)
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Codeforces Round 986 (Div. 2)
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Problems

#	Name
217E	Alien DNA data structures, dsu, trees	2800	x325
217D	Bitonix' Patrol bitmasks, brute force, combinatorics, dfs and similar, math	2900	x251
217C	Formurosa divide and conquer, dp, expression parsing	2600	x337
217B	Blackboard Fibonacci brute force, math	2100	x899
217A	Ice Skating brute force, dfs and similar, dsu, graphs	1200	x21232
216E	Martian Luck math, number theory	2000	x590
216D	Spider's Web binary search, sortings, two pointers	1700	x1358
216C	Hiring Staff greedy	1800	x1850
216B	Forming Teams dfs and similar, implementation	1700	x6396
216A	Tiling with Hexagons implementation, math	1200	x5016
215E	Periodical Numbers combinatorics, dp, number theory	2100	x556
215D	Hot Days greedy	1900	x1604
215C	Crosses brute force, implementation	2100	x668
215B	Olympic Medal greedy, math	1300	x5596
215A	Bicycle Chain brute force, implementation	900	x14567
214B	Hometask brute force, constructive algorithms, greedy, math	1600	x4979
214A	System of Equations brute force	800	x35693
213E	Two Permutations data structures, hashing, strings	2700	x830
213D	Stars constructive algorithms, geometry	2300	x341
213C	Relay Race dp	2000	x2879
213B	Numbers combinatorics, dp	1900	x1782
213A	Game dfs and similar, greedy	1700	x1726
212E	IT Restaurants dfs and similar, dp, trees	1500	x1756
212D	Cutting a Fence binary search, data structures, dsu	2500	x514
212C	Cowboys combinatorics, dp, math	2100	x388
212B	Polycarpus is Looking for Good Substrings bitmasks, hashing, implementation	2300	x334
212A	Privatization flows, graphs	3000	x204
209C	Trails and Glades constructive algorithms, dsu, graphs, greedy	2400	x750
209B	Pixels constructive algorithms, math	2100	x375
209A	Multicolored Marbles dp, math	1600	x2361
208E	Blood Cousins binary search, data structures, dfs and similar, trees	2100	x6877
208D	Prizes, Prizes, more Prizes implementation	1200	x7597
208C	Police Station dp, graphs, shortest paths	1900	x1873
208B	Solitaire dfs and similar, dp	1900	x1363
208A	Dubstep strings	900	x89028
207D9	The Beaver's Problem - 3	1800	x88
207D8	The Beaver's Problem - 3	2300	x95
207D7	The Beaver's Problem - 3	1600	x101
207D6	The Beaver's Problem - 3	2100	x84
207D5	The Beaver's Problem - 3	1600	x142
207D4	The Beaver's Problem - 3	2100	x154
207D3	The Beaver's Problem - 3	2000	x136
207D2	The Beaver's Problem - 3	2000	x110
207D10	The Beaver's Problem - 3	2100	x82
207D1	The Beaver's Problem - 3	1800	x117
207C3	Game with Two Trees data structures	2700	x132
207C2	Game with Two Trees	2200	x90
207C1	Game with Two Trees	2100	x107
207B3	Military Trainings	1700	x164
207B2	Military Trainings	1900	x189
207B1	Military Trainings	1600	x273
207A3	Beaver's Calculator 1.0 greedy	2000	x216
207A2	Beaver's Calculator 1.0 greedy	1800	x242
207A1	Beaver's Calculator 1.0 greedy	1600	x293
205B	Little Elephant and Sorting brute force, greedy	1400	x6040
205A	Little Elephant and Rozdil brute force, implementation	900	x22507
204E	Little Elephant and Strings data structures, implementation, string suffix structures, two pointers	2800	x1168
204D	Little Elephant and Retro Strings dp	2400	x584
204C	Little Elephant and Furik and Rubik math, probabilities	2000	x1119
204B	Little Elephant and Cards binary search, data structures	1500	x5259
204A	Little Elephant and Interval binary search, combinatorics, dp	1500	x5724
203E	Transportation greedy, sortings, two pointers	2300	x281
203D	Hit Ball geometry, implementation, math	1700	x1418
203C	Photographer greedy, sortings	1400	x5700
203B	Game on Paper brute force, implementation	1300	x2603
203A	Two Problems brute force, implementation	1200	x4183
202B	Brand New Easy Problem brute force	1700	x818
202A	LLPS binary search, bitmasks, brute force, greedy, implementation, strings	800	x16980
201E	Thoroughly Bureaucratic Organization binary search, combinatorics	2600	x427
201D	Brand New Problem bitmasks, brute force, dp	2600	x418
201C	Fragile Bridges dp	2000	x1365
201B	Guess That Car! math, ternary search	1800	x1267
201A	Clear Symmetry constructive algorithms, dp, math	1700	x3011
200E	Tractor College implementation, math, number theory, ternary search	2400	x344
200D	Programming Language binary search, brute force, expression parsing, implementation	1800	x916
200C	Football Championship brute force, implementation	1800	x1060
200B	Drinks implementation, math	800	x117535
200A	Cinema brute force, data structures	2400	x686
199B	Special Olympics geometry	1900	x805
199A	Hexadecimal's theorem brute force, constructive algorithms, implementation, number theory	900	x26687
198E	Gripping Story binary search, data structures, sortings	2400	x417
198D	Cube Snake constructive algorithms	2700	x107
198C	Delivering Carcinogen binary search, geometry	2400	x375
198B	Jumping on Walls shortest paths	1400	x4345
198A	About Bacteria implementation, math	1700	x3154
197B	Limit math	1400	x4643
197A	Plate Game constructive algorithms, games, math	1600	x6346
196E	Opening Portals dsu, graphs, shortest paths	2600	x943
196D	The Next Good String data structures, greedy, hashing, strings	2800	x533
196C	Paint Tree constructive algorithms, divide and conquer, geometry, sortings, trees	2200	x960
196B	Infinite Maze dfs and similar, graphs	2000	x2221
196A	Lexicographically Maximum Subsequence greedy, strings	1100	x5407
195E	Building Forest data structures, dsu, graphs	2000	x720
195D	Analyzing Polyline geometry, math, sortings	1900	x1042
195C	Try and Catch expression parsing, implementation	1800	x1143
195B	After Training data structures, implementation, math	1300	x5208
195A	Let's Watch Football binary search, brute force, math	1000	x9068
194B	Square math	1200	x3539
194A	Exams implementation, math	900	x9896
193E	Fibonacci Number brute force, math, matrices	2900	x342