Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 956 (Div. 2)
2 days
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
222D	Olympiad binary search, greedy, sortings, two pointers	1900	x2141
222C	Reducing Fractions implementation, math, number theory, sortings	1800	x2120
222B	Cosmic Tables data structures, implementation	1300	x6017
222A	Shooshuns and Sequence brute force, implementation	1200	x10498
221B	Little Elephant and Numbers implementation	1300	x4526
221A	Little Elephant and Function implementation, math	1000	x14889
220E	Little Elephant and Inversions data structures, two pointers	2400	x1344
220D	Little Elephant and Triangle geometry, math	2500	x277
220C	Little Elephant and Shifts data structures	2100	x928
220B	Little Elephant and Array constructive algorithms, data structures	1800	x9629
220A	Little Elephant and Problem implementation, sortings	1300	x11874
219E	Parking Lot data structures	2200	x604
219D	Choosing Capital for Treeland dfs and similar, dp, graphs, trees	1700	x8867
219C	Color Stripe brute force, dp, greedy	1600	x6585
219B	Special Offer! Super Price 999 Bourles! implementation	1400	x5747
219A	k-String implementation, strings	1000	x26707
218B	Airport implementation	1100	x16005
218A	Mountain Scenery brute force, constructive algorithms, implementation	1100	x9095
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	x316
217B	Blackboard Fibonacci brute force, math	2100	x872
217A	Ice Skating brute force, dfs and similar, dsu, graphs	1200	x20666
216E	Martian Luck math, number theory	2000	x557
216D	Spider's Web binary search, sortings, two pointers	1700	x1334
216C	Hiring Staff greedy	1800	x1810
216B	Forming Teams dfs and similar, implementation	1700	x6189
216A	Tiling with Hexagons implementation, math	1200	x4947
215E	Periodical Numbers combinatorics, dp, number theory	2100	x543
215D	Hot Days greedy	1900	x1581
215C	Crosses brute force, implementation	2100	x660
215B	Olympic Medal greedy, math	1300	x5430
215A	Bicycle Chain brute force, implementation	900	x14176
214B	Hometask brute force, constructive algorithms, greedy, math	1600	x4920
214A	System of Equations brute force	800	x34255
213E	Two Permutations data structures, hashing, strings	2700	x777
213D	Stars constructive algorithms, geometry	2300	x335
213C	Relay Race dp	2000	x2773
213B	Numbers combinatorics, dp	1900	x1669
213A	Game dfs and similar, greedy	1700	x1695
212E	IT Restaurants dfs and similar, dp, trees	1500	x1688
212D	Cutting a Fence binary search, data structures, dsu	2500	x461
212C	Cowboys combinatorics, dp, math	2100	x377
212B	Polycarpus is Looking for Good Substrings bitmasks, hashing, implementation	2300	x329
212A	Privatization flows, graphs	3000	x195
209C	Trails and Glades constructive algorithms, dsu, graphs, greedy	2400	x718
209B	Pixels constructive algorithms, math	2100	x363
209A	Multicolored Marbles dp, math	1600	x2280
208E	Blood Cousins binary search, data structures, dfs and similar, trees	2100	x6256
208D	Prizes, Prizes, more Prizes implementation	1200	x7517
208C	Police Station dp, graphs, shortest paths	1900	x1795
208B	Solitaire dfs and similar, dp	1900	x1347
208A	Dubstep strings	900	x85465
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	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	x163
207B2	Military Trainings	1900	x180
207B1	Military Trainings	1600	x262
207A3	Beaver's Calculator 1.0 greedy	2000	x206
207A2	Beaver's Calculator 1.0 greedy	1800	x227
207A1	Beaver's Calculator 1.0 greedy	1600	x278
205B	Little Elephant and Sorting brute force, greedy	1400	x5971
205A	Little Elephant and Rozdil brute force, implementation	900	x21884
204E	Little Elephant and Strings data structures, implementation, string suffix structures, two pointers	2800	x1125
204D	Little Elephant and Retro Strings dp	2400	x444
204C	Little Elephant and Furik and Rubik math, probabilities	2000	x1086
204B	Little Elephant and Cards binary search, data structures	1500	x5077
204A	Little Elephant and Interval binary search, combinatorics, dp	1500	x5593
203E	Transportation greedy, sortings, two pointers	2300	x279
203D	Hit Ball geometry, implementation, math	1700	x1405
203C	Photographer greedy, sortings	1400	x5609
203B	Game on Paper brute force, implementation	1300	x2563
203A	Two Problems brute force, implementation	1200	x4122
202B	Brand New Easy Problem brute force	1700	x811
202A	LLPS binary search, bitmasks, brute force, greedy, implementation, strings	800	x16220
201E	Thoroughly Bureaucratic Organization binary search, combinatorics	2600	x405
201D	Brand New Problem bitmasks, brute force, dp	2600	x390
201C	Fragile Bridges dp	2000	x1299
201B	Guess That Car! math, ternary search	1800	x1256
201A	Clear Symmetry constructive algorithms, dp, math	1700	x2977
200E	Tractor College implementation, math, number theory, ternary search	2400	x339
200D	Programming Language binary search, brute force, expression parsing, implementation	1800	x900
200C	Football Championship brute force, implementation	1800	x1038
200B	Drinks implementation, math	800	x110658
200A	Cinema brute force, data structures	2400	x674
199B	Special Olympics geometry	1900	x786
199A	Hexadecimal's theorem brute force, constructive algorithms, implementation, number theory	900	x25630
198E	Gripping Story binary search, data structures, sortings	2400	x405
198D	Cube Snake constructive algorithms	2700	x105