Problemset - Codeforces

→ Pay attention

Before contest
CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)
07:41:34
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
228D	Zigzag data structures	2100	x386
228C	Fractal Detector dp, hashing	2000	x455
228B	Two Tables brute force, implementation	1400	x3469
228A	Is your horseshoe on the other hoof? implementation	800	x112001
227B	Effective Approach implementation	1100	x28308
227A	Where do I Turn? geometry	1300	x4223
226E	Noble Knight's Path data structures, trees	2900	x462
226D	The table constructive algorithms, greedy	2100	x967
226C	Anniversary data structures, implementation, math, matrices, number theory	2400	x914
226B	Naughty Stone Piles greedy	1900	x1566
226A	Flying Saucer Segments math	1400	x4011
225E	Unsolvable math, number theory	2100	x806
225D	Snake bitmasks, dfs and similar, graphs, implementation	2200	x949
225C	Barcode dp, matrices	1700	x9216
225B	Well-known Numbers binary search, greedy, number theory	1600	x3163
225A	Dice Tower constructive algorithms, greedy	1100	x11787
224B	Array bitmasks, implementation, two pointers	1500	x7358
224A	Parallelepiped brute force, geometry, math	1100	x26978
223E	Planar Graph flows, geometry, graphs	3000	x191
223D	Spider geometry, graphs	3000	x70
223C	Partial Sums combinatorics, math, number theory	1900	x1568
223B	Two Strings data structures, dp, strings	1900	x1815
223A	Bracket Sequence data structures, expression parsing, implementation	1700	x2541
222E	Decoding Genome dp, matrices	1900	x2830
222D	Olympiad binary search, greedy, sortings, two pointers	1900	x2173
222C	Reducing Fractions implementation, math, number theory, sortings	1800	x2264
222B	Cosmic Tables data structures, implementation	1300	x6137
222A	Shooshuns and Sequence brute force, implementation	1200	x10842
221B	Little Elephant and Numbers implementation	1300	x4588
221A	Little Elephant and Function implementation, math	1000	x15308
220E	Little Elephant and Inversions data structures, two pointers	2400	x1416
220D	Little Elephant and Triangle geometry, math	2500	x286
220C	Little Elephant and Shifts data structures	2100	x945
220B	Little Elephant and Array constructive algorithms, data structures	1800	x10411
220A	Little Elephant and Problem implementation, sortings	1300	x12022
219E	Parking Lot data structures	2200	x620
219D	Choosing Capital for Treeland dfs and similar, dp, graphs, trees	1700	x9645
219C	Color Stripe brute force, dp, greedy	1600	x6678
219B	Special Offer! Super Price 999 Bourles! implementation	1400	x5833
219A	k-String implementation, strings	1000	x28082
218B	Airport implementation	1100	x16575
218A	Mountain Scenery brute force, constructive algorithms, implementation	1100	x9514
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	x338
217B	Blackboard Fibonacci brute force, math	2100	x899
217A	Ice Skating brute force, dfs and similar, dsu, graphs	1200	x21269
216E	Martian Luck math, number theory	2000	x590
216D	Spider's Web binary search, sortings, two pointers	1700	x1358
216C	Hiring Staff greedy	1800	x1853
216B	Forming Teams dfs and similar, implementation	1700	x6404
216A	Tiling with Hexagons implementation, math	1200	x5024
215E	Periodical Numbers combinatorics, dp, number theory	2100	x574
215D	Hot Days greedy	1900	x1605
215C	Crosses brute force, implementation	2100	x670
215B	Olympic Medal greedy, math	1300	x5602
215A	Bicycle Chain brute force, implementation	900	x14600
214B	Hometask brute force, constructive algorithms, greedy, math	1600	x4984
214A	System of Equations brute force	800	x35832
213E	Two Permutations data structures, hashing, strings	2700	x836
213D	Stars constructive algorithms, geometry	2300	x341
213C	Relay Race dp	2000	x2891
213B	Numbers combinatorics, dp	1900	x1785
213A	Game dfs and similar, greedy	1700	x1726
212E	IT Restaurants dfs and similar, dp, trees	1500	x1764
212D	Cutting a Fence binary search, data structures, dsu	2500	x519
212C	Cowboys combinatorics, dp, math	2100	x389
212B	Polycarpus is Looking for Good Substrings bitmasks, hashing, implementation	2300	x335
212A	Privatization flows, graphs	3000	x206
209C	Trails and Glades constructive algorithms, dsu, graphs, greedy	2400	x754
209B	Pixels constructive algorithms, math	2100	x377
209A	Multicolored Marbles dp, math	1600	x2375
208E	Blood Cousins binary search, data structures, dfs and similar, trees	2100	x6926
208D	Prizes, Prizes, more Prizes implementation	1200	x7600
208C	Police Station dp, graphs, shortest paths	1900	x1874
208B	Solitaire dfs and similar, dp	1900	x1364
208A	Dubstep strings	900	x89348
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	x134
207C2	Game with Two Trees	2200	x90
207C1	Game with Two Trees	2100	x107
207B3	Military Trainings	1700	x179
207B2	Military Trainings	1900	x196
207B1	Military Trainings	1600	x280
207A3	Beaver's Calculator 1.0 greedy	2000	x217
207A2	Beaver's Calculator 1.0 greedy	1800	x243
207A1	Beaver's Calculator 1.0 greedy	1600	x296
205B	Little Elephant and Sorting brute force, greedy	1400	x6045
205A	Little Elephant and Rozdil brute force, implementation	900	x22546
204E	Little Elephant and Strings data structures, implementation, string suffix structures, two pointers	2800	x1171
204D	Little Elephant and Retro Strings dp	2400	x584