Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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Problems

#	Name
228A	Is your horseshoe on the other hoof? implementation	800	x101449
227B	Effective Approach implementation	1100	x26281
227A	Where do I Turn? geometry	1300	x4035
226E	Noble Knight's Path data structures, trees	2900	x431
226D	The table constructive algorithms, greedy	2100	x945
226C	Anniversary data structures, implementation, math, matrices, number theory	2400	x842
226B	Naughty Stone Piles greedy	1900	x1534
226A	Flying Saucer Segments math	1400	x3899
225E	Unsolvable math, number theory	2100	x777
225D	Snake bitmasks, dfs and similar, graphs, implementation	2200	x911
225C	Barcode dp, matrices	1700	x8727
225B	Well-known Numbers binary search, greedy, number theory	1600	x3093
225A	Dice Tower constructive algorithms, greedy	1100	x11018
224B	Array bitmasks, implementation, two pointers	1500	x7145
224A	Parallelepiped brute force, geometry, math	1100	x25261
223E	Planar Graph flows, geometry, graphs	3000	x187
223D	Spider geometry, graphs	3000	x68
223C	Partial Sums combinatorics, math, number theory	1900	x1506
223B	Two Strings data structures, dp, strings	1900	x1716
223A	Bracket Sequence data structures, expression parsing, implementation	1700	x2482
222E	Decoding Genome dp, matrices	1900	x2522
222D	Olympiad binary search, greedy, sortings, two pointers	1900	x2127
222C	Reducing Fractions implementation, math, number theory, sortings	1800	x2077
222B	Cosmic Tables data structures, implementation	1300	x5973
222A	Shooshuns and Sequence brute force, implementation	1200	x10321
221B	Little Elephant and Numbers implementation	1300	x4497
221A	Little Elephant and Function implementation, math	1000	x14636
220E	Little Elephant and Inversions data structures, two pointers	2400	x1325
220D	Little Elephant and Triangle geometry, math	2500	x272
220C	Little Elephant and Shifts data structures	2100	x921
220B	Little Elephant and Array constructive algorithms, data structures	1800	x9345
220A	Little Elephant and Problem implementation, sortings	1300	x11788
219E	Parking Lot data structures	2200	x601
219D	Choosing Capital for Treeland dfs and similar, dp, graphs, trees	1700	x8519
219C	Color Stripe brute force, dp, greedy	1600	x6532
219B	Special Offer! Super Price 999 Bourles! implementation	1400	x5690
219A	k-String implementation, strings	1000	x25906
218B	Airport implementation	1100	x15702
218A	Mountain Scenery brute force, constructive algorithms, implementation	1100	x8860
217E	Alien DNA data structures, dsu, trees	2800	x290
217D	Bitonix' Patrol bitmasks, brute force, combinatorics, dfs and similar, math	2900	x245
217C	Formurosa divide and conquer, dp, expression parsing	2600	x311
217B	Blackboard Fibonacci brute force, math	2100	x853
217A	Ice Skating brute force, dfs and similar, dsu, graphs	1200	x20322
216E	Martian Luck math, number theory	2000	x543
216D	Spider's Web binary search, sortings, two pointers	1700	x1319
216C	Hiring Staff greedy	1800	x1797
216B	Forming Teams dfs and similar, implementation	1700	x6073
216A	Tiling with Hexagons implementation, math	1200	x4909
215E	Periodical Numbers combinatorics, dp, number theory	2100	x538
215D	Hot Days greedy	1900	x1575
215C	Crosses brute force, implementation	2100	x478
215B	Olympic Medal greedy, math	1300	x5350
215A	Bicycle Chain brute force, implementation	900	x13873
214B	Hometask brute force, constructive algorithms, greedy, math	1600	x4875
214A	System of Equations brute force	800	x33531
213E	Two Permutations data structures, hashing, strings	2700	x762
213D	Stars constructive algorithms, geometry	2300	x333
213C	Relay Race dp	2000	x2634
213B	Numbers combinatorics, dp	1900	x1662
213A	Game dfs and similar, greedy	1700	x1686
212E	IT Restaurants dfs and similar, dp, trees	1500	x1655
212D	Cutting a Fence binary search, data structures, dsu	2500	x451
212C	Cowboys combinatorics, dp, math	2100	x376
212B	Polycarpus is Looking for Good Substrings bitmasks, hashing, implementation	2300	x321
212A	Privatization flows, graphs	3000	x186
209C	Trails and Glades constructive algorithms, dsu, graphs, greedy	2400	x690
209B	Pixels constructive algorithms, math	2100	x355
209A	Multicolored Marbles dp, math	1600	x2230
208E	Blood Cousins binary search, data structures, dfs and similar, trees	2100	x6046
208D	Prizes, Prizes, more Prizes implementation	1200	x7486
208C	Police Station dp, graphs, shortest paths	1900	x1777
208B	Solitaire dfs and similar, dp	1900	x1339
208A	Dubstep strings	900	x83183
207D9	The Beaver's Problem - 3	1800	x81
207D8	The Beaver's Problem - 3	2300	x81
207D7	The Beaver's Problem - 3	1600	x93
207D6	The Beaver's Problem - 3	2100	x77
207D5	The Beaver's Problem - 3	1600	x134
207D4	The Beaver's Problem - 3	2100	x146
207D3	The Beaver's Problem - 3	2000	x132
207D2	The Beaver's Problem - 3	2000	x101
207D10	The Beaver's Problem - 3	2100	x79
207D1	The Beaver's Problem - 3	1800	x114
207C3	Game with Two Trees data structures	2700	x112
207C2	Game with Two Trees	2200	x75
207C1	Game with Two Trees	2100	x99
207B3	Military Trainings	1700	x158
207B2	Military Trainings	1900	x175
207B1	Military Trainings	1600	x255
207A3	Beaver's Calculator 1.0 greedy	2000	x201
207A2	Beaver's Calculator 1.0 greedy	1800	x221
207A1	Beaver's Calculator 1.0 greedy	1600	x270
205B	Little Elephant and Sorting brute force, greedy	1400	x5930
205A	Little Elephant and Rozdil brute force, implementation	900	x21452
204E	Little Elephant and Strings data structures, implementation, string suffix structures, two pointers	2800	x1077
204D	Little Elephant and Retro Strings dp	2400	x391
204C	Little Elephant and Furik and Rubik math, probabilities	2000	x1075
204B	Little Elephant and Cards binary search, data structures	1500	x4998
204A	Little Elephant and Interval binary search, combinatorics, dp	1500	x5517