Problemset - Codeforces

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Codeforces Round 961 (Div. 2)
19:08:08
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Problems

#	Name
231C	To Add or Not to Add binary search, sortings, two pointers	1600	x8485
231B	Magic, Wizardry and Wonders constructive algorithms, greedy	1500	x3576
231A	Team brute force, greedy	800	x309889
230B	T-primes binary search, implementation, math, number theory	1300	x72517
230A	Dragons greedy, sortings	1000	x76671
229E	Gifts combinatorics, dp, math, probabilities	2600	x456
229D	Towers dp, greedy, two pointers	2100	x2180
229C	Triangles combinatorics, graphs, math	1900	x1605
229B	Planets binary search, data structures, graphs, shortest paths	1700	x4550
229A	Shifts brute force, two pointers	1500	x3471
228E	The Road to Berland is Paved With Good Intentions 2-sat, dfs and similar, dsu, graphs	1900	x2378
228D	Zigzag data structures	2100	x377
228C	Fractal Detector dp, hashing	2000	x446
228B	Two Tables brute force, implementation	1400	x3443
228A	Is your horseshoe on the other hoof? implementation	800	x105528
227B	Effective Approach implementation	1100	x27209
227A	Where do I Turn? geometry	1300	x4095
226E	Noble Knight's Path data structures, trees	2900	x453
226D	The table constructive algorithms, greedy	2100	x956
226C	Anniversary data structures, implementation, math, matrices, number theory	2400	x853
226B	Naughty Stone Piles greedy	1900	x1542
226A	Flying Saucer Segments math	1400	x3942
225E	Unsolvable math, number theory	2100	x790
225D	Snake bitmasks, dfs and similar, graphs, implementation	2200	x919
225C	Barcode dp, matrices	1700	x8915
225B	Well-known Numbers binary search, greedy, number theory	1600	x3124
225A	Dice Tower constructive algorithms, greedy	1100	x11387
224B	Array bitmasks, implementation, two pointers	1500	x7229
224A	Parallelepiped brute force, geometry, math	1100	x26002
223E	Planar Graph flows, geometry, graphs	3000	x191
223D	Spider geometry, graphs	3000	x70
223C	Partial Sums combinatorics, math, number theory	1900	x1531
223B	Two Strings data structures, dp, strings	1900	x1745
223A	Bracket Sequence data structures, expression parsing, implementation	1700	x2500
222E	Decoding Genome dp, matrices	1900	x2659
222D	Olympiad binary search, greedy, sortings, two pointers	1900	x2144
222C	Reducing Fractions implementation, math, number theory, sortings	1800	x2123
222B	Cosmic Tables data structures, implementation	1300	x6032
222A	Shooshuns and Sequence brute force, implementation	1200	x10601
221B	Little Elephant and Numbers implementation	1300	x4532
221A	Little Elephant and Function implementation, math	1000	x14951
220E	Little Elephant and Inversions data structures, two pointers	2400	x1350
220D	Little Elephant and Triangle geometry, math	2500	x280
220C	Little Elephant and Shifts data structures	2100	x929
220B	Little Elephant and Array constructive algorithms, data structures	1800	x9727
220A	Little Elephant and Problem implementation, sortings	1300	x11896
219E	Parking Lot data structures	2200	x606
219D	Choosing Capital for Treeland dfs and similar, dp, graphs, trees	1700	x9005
219C	Color Stripe brute force, dp, greedy	1600	x6596
219B	Special Offer! Super Price 999 Bourles! implementation	1400	x5764
219A	k-String implementation, strings	1000	x26856
218B	Airport implementation	1100	x16070
218A	Mountain Scenery brute force, constructive algorithms, implementation	1100	x9158
217E	Alien DNA data structures, dsu, trees	2800	x296
217D	Bitonix' Patrol bitmasks, brute force, combinatorics, dfs and similar, math	2900	x246
217C	Formurosa divide and conquer, dp, expression parsing	2600	x328
217B	Blackboard Fibonacci brute force, math	2100	x879
217A	Ice Skating brute force, dfs and similar, dsu, graphs	1200	x20758
216E	Martian Luck math, number theory	2000	x564
216D	Spider's Web binary search, sortings, two pointers	1700	x1337
216C	Hiring Staff greedy	1800	x1827
216B	Forming Teams dfs and similar, implementation	1700	x6217
216A	Tiling with Hexagons implementation, math	1200	x4959
215E	Periodical Numbers combinatorics, dp, number theory	2100	x545
215D	Hot Days greedy	1900	x1585
215C	Crosses brute force, implementation	2100	x661
215B	Olympic Medal greedy, math	1300	x5461
215A	Bicycle Chain brute force, implementation	900	x14229
214B	Hometask brute force, constructive algorithms, greedy, math	1600	x4928
214A	System of Equations brute force	800	x34439
213E	Two Permutations data structures, hashing, strings	2700	x779
213D	Stars constructive algorithms, geometry	2300	x336
213C	Relay Race dp	2000	x2786
213B	Numbers combinatorics, dp	1900	x1673
213A	Game dfs and similar, greedy	1700	x1704
212E	IT Restaurants dfs and similar, dp, trees	1500	x1690
212D	Cutting a Fence binary search, data structures, dsu	2500	x463
212C	Cowboys combinatorics, dp, math	2100	x377
212B	Polycarpus is Looking for Good Substrings bitmasks, hashing, implementation	2300	x329
212A	Privatization flows, graphs	3000	x199
209C	Trails and Glades constructive algorithms, dsu, graphs, greedy	2400	x722
209B	Pixels constructive algorithms, math	2100	x363
209A	Multicolored Marbles dp, math	1600	x2284
208E	Blood Cousins binary search, data structures, dfs and similar, trees	2100	x6326
208D	Prizes, Prizes, more Prizes implementation	1200	x7530
208C	Police Station dp, graphs, shortest paths	1900	x1807
208B	Solitaire dfs and similar, dp	1900	x1350
208A	Dubstep strings	900	x85919
207D9	The Beaver's Problem - 3	1800	x84
207D8	The Beaver's Problem - 3	2300	x89
207D7	The Beaver's Problem - 3	1600	x97
207D6	The Beaver's Problem - 3	2100	x80
207D5	The Beaver's Problem - 3	1600	x138
207D4	The Beaver's Problem - 3	2100	x149
207D3	The Beaver's Problem - 3	2000	x136
207D2	The Beaver's Problem - 3	2000	x105
207D10	The Beaver's Problem - 3	2100	x82
207D1	The Beaver's Problem - 3	1800	x117
207C3	Game with Two Trees data structures	2700	x126
207C2	Game with Two Trees	2200	x82