Problemset - Codeforces

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Codeforces Round 950 (Div. 3)
2 days
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Problems

#	Name
230B	T-primes binary search, implementation, math, number theory	1300	x70678
230A	Dragons greedy, sortings	1000	x75000
229E	Gifts combinatorics, dp, math, probabilities	2600	x454
229D	Towers dp, greedy, two pointers	2100	x2123
229C	Triangles combinatorics, graphs, math	1900	x1596
229B	Planets binary search, data structures, graphs, shortest paths	1700	x4488
229A	Shifts brute force, two pointers	1500	x3452
228E	The Road to Berland is Paved With Good Intentions 2-sat, dfs and similar, dsu, graphs	1900	x2361
228D	Zigzag data structures	2100	x377
228C	Fractal Detector dp, hashing	2000	x445
228B	Two Tables brute force, implementation	1400	x3434
228A	Is your horseshoe on the other hoof? implementation	800	x103026
227B	Effective Approach implementation	1100	x26656
227A	Where do I Turn? geometry	1300	x4050
226E	Noble Knight's Path data structures, trees	2900	x445
226D	The table constructive algorithms, greedy	2100	x948
226C	Anniversary data structures, implementation, math, matrices, number theory	2400	x847
226B	Naughty Stone Piles greedy	1900	x1537
226A	Flying Saucer Segments math	1400	x3913
225E	Unsolvable math, number theory	2100	x784
225D	Snake bitmasks, dfs and similar, graphs, implementation	2200	x914
225C	Barcode dp, matrices	1700	x8797
225B	Well-known Numbers binary search, greedy, number theory	1600	x3108
225A	Dice Tower constructive algorithms, greedy	1100	x11158
224B	Array bitmasks, implementation, two pointers	1500	x7178
224A	Parallelepiped brute force, geometry, math	1100	x25542
223E	Planar Graph flows, geometry, graphs	3000	x190
223D	Spider geometry, graphs	3000	x69
223C	Partial Sums combinatorics, math, number theory	1900	x1514
223B	Two Strings data structures, dp, strings	1900	x1725
223A	Bracket Sequence data structures, expression parsing, implementation	1700	x2485
222E	Decoding Genome dp, matrices	1900	x2572
222D	Olympiad binary search, greedy, sortings, two pointers	1900	x2128
222C	Reducing Fractions implementation, math, number theory, sortings	1800	x2098
222B	Cosmic Tables data structures, implementation	1300	x5990
222A	Shooshuns and Sequence brute force, implementation	1200	x10418
221B	Little Elephant and Numbers implementation	1300	x4512
221A	Little Elephant and Function implementation, math	1000	x14765
220E	Little Elephant and Inversions data structures, two pointers	2400	x1340
220D	Little Elephant and Triangle geometry, math	2500	x275
220C	Little Elephant and Shifts data structures	2100	x928
220B	Little Elephant and Array constructive algorithms, data structures	1800	x9482
220A	Little Elephant and Problem implementation, sortings	1300	x11830
219E	Parking Lot data structures	2200	x604
219D	Choosing Capital for Treeland dfs and similar, dp, graphs, trees	1700	x8710
219C	Color Stripe brute force, dp, greedy	1600	x6560
219B	Special Offer! Super Price 999 Bourles! implementation	1400	x5708
219A	k-String implementation, strings	1000	x26237
218B	Airport implementation	1100	x15835
218A	Mountain Scenery brute force, constructive algorithms, implementation	1100	x8959
217E	Alien DNA data structures, dsu, trees	2800	x293
217D	Bitonix' Patrol bitmasks, brute force, combinatorics, dfs and similar, math	2900	x246
217C	Formurosa divide and conquer, dp, expression parsing	2600	x313
217B	Blackboard Fibonacci brute force, math	2100	x862
217A	Ice Skating brute force, dfs and similar, dsu, graphs	1200	x20499
216E	Martian Luck math, number theory	2000	x546
216D	Spider's Web binary search, sortings, two pointers	1700	x1331
216C	Hiring Staff greedy	1800	x1807
216B	Forming Teams dfs and similar, implementation	1700	x6128
216A	Tiling with Hexagons implementation, math	1200	x4929
215E	Periodical Numbers combinatorics, dp, number theory	2100	x539
215D	Hot Days greedy	1900	x1577
215C	Crosses brute force, implementation	2100	x533
215B	Olympic Medal greedy, math	1300	x5386
215A	Bicycle Chain brute force, implementation	900	x13989
214B	Hometask brute force, constructive algorithms, greedy, math	1600	x4898
214A	System of Equations brute force	800	x33879
213E	Two Permutations data structures, hashing, strings	2700	x773
213D	Stars constructive algorithms, geometry	2300	x335
213C	Relay Race dp	2000	x2746
213B	Numbers combinatorics, dp	1900	x1667
213A	Game dfs and similar, greedy	1700	x1690
212E	IT Restaurants dfs and similar, dp, trees	1500	x1680
212D	Cutting a Fence binary search, data structures, dsu	2500	x454
212C	Cowboys combinatorics, dp, math	2100	x377
212B	Polycarpus is Looking for Good Substrings bitmasks, hashing, implementation	2300	x323
212A	Privatization flows, graphs	3000	x188
209C	Trails and Glades constructive algorithms, dsu, graphs, greedy	2400	x703
209B	Pixels constructive algorithms, math	2100	x360
209A	Multicolored Marbles dp, math	1600	x2260
208E	Blood Cousins binary search, data structures, dfs and similar, trees	2100	x6157
208D	Prizes, Prizes, more Prizes implementation	1200	x7499
208C	Police Station dp, graphs, shortest paths	1900	x1789
208B	Solitaire dfs and similar, dp	1900	x1345
208A	Dubstep strings	900	x84314
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	x137
207D4	The Beaver's Problem - 3	2100	x149
207D3	The Beaver's Problem - 3	2000	x135
207D2	The Beaver's Problem - 3	2000	x104
207D10	The Beaver's Problem - 3	2100	x82
207D1	The Beaver's Problem - 3	1800	x117
207C3	Game with Two Trees data structures	2700	x119
207C2	Game with Two Trees	2200	x79
207C1	Game with Two Trees	2100	x103
207B3	Military Trainings	1700	x160
207B2	Military Trainings	1900	x177