Problemset - Codeforces

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Codeforces Round 974 (Div. 3)
19:05:14
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Problems

#	Name
235E	Number Challenge combinatorics, dp, implementation, math, number theory	2600	x775
235D	Graph Game graphs	3000	x504
235C	Cyclical Quest data structures, string suffix structures, strings	2700	x2092
235B	Let's Play Osu! dp, math, probabilities	2000	x3489
235A	LCM Challenge number theory	1600	x17627
234H	Merging Two Decks constructive algorithms, greedy	2000	x563
234G	Practice constructive algorithms, divide and conquer, implementation	1600	x1470
234F	Fence dp	1800	x1732
234E	Champions' League implementation	1600	x998
234D	Cinema implementation	1600	x1527
232E	Quick Tortoise bitmasks, divide and conquer, dp	3000	x689
232D	Fence binary search, data structures, string suffix structures	2900	x474
232C	Doe Graphs constructive algorithms, divide and conquer, dp, graphs, shortest paths	2600	x286
232B	Table bitmasks, combinatorics, dp, math	1900	x1428
232A	Cycles binary search, constructive algorithms, graphs, greedy	1600	x2513
231E	Cactus data structures, dfs and similar, dp, graphs, trees	2100	x1834
231D	Magic Box brute force, geometry	1600	x4075
231C	To Add or Not to Add binary search, sortings, two pointers	1600	x8591
229E	Gifts combinatorics, dp, math, probabilities	2600	x459
229D	Towers dp, greedy, two pointers	2100	x2215
229C	Triangles combinatorics, graphs, math	1900	x1614
229B	Planets binary search, data structures, graphs, shortest paths	1700	x4637
228E	The Road to Berland is Paved With Good Intentions 2-sat, dfs and similar, dsu, graphs	1900	x2423
228D	Zigzag data structures	2100	x381
228C	Fractal Detector dp, hashing	2000	x453
226E	Noble Knight's Path data structures, trees	2900	x457
226D	The table constructive algorithms, greedy	2100	x958
226C	Anniversary data structures, implementation, math, matrices, number theory	2400	x865
226B	Naughty Stone Piles greedy	1900	x1551
225E	Unsolvable math, number theory	2100	x799
225D	Snake bitmasks, dfs and similar, graphs, implementation	2200	x944
225C	Barcode dp, matrices	1700	x9066
225B	Well-known Numbers binary search, greedy, number theory	1600	x3146
223E	Planar Graph flows, geometry, graphs	3000	x191
223D	Spider geometry, graphs	3000	x70
223C	Partial Sums combinatorics, math, number theory	1900	x1550
223B	Two Strings data structures, dp, strings	1900	x1780
223A	Bracket Sequence data structures, expression parsing, implementation	1700	x2515
222E	Decoding Genome dp, matrices	1900	x2750
222D	Olympiad binary search, greedy, sortings, two pointers	1900	x2157
222C	Reducing Fractions implementation, math, number theory, sortings	1800	x2176
220E	Little Elephant and Inversions data structures, two pointers	2400	x1375
220D	Little Elephant and Triangle geometry, math	2500	x283
220C	Little Elephant and Shifts data structures	2100	x935
220B	Little Elephant and Array constructive algorithms, data structures	1800	x10044
219E	Parking Lot data structures	2200	x614
219D	Choosing Capital for Treeland dfs and similar, dp, graphs, trees	1700	x9291
219C	Color Stripe brute force, dp, greedy	1600	x6645
217E	Alien DNA data structures, dsu, trees	2800	x322
217D	Bitonix' Patrol bitmasks, brute force, combinatorics, dfs and similar, math	2900	x250
217C	Formurosa divide and conquer, dp, expression parsing	2600	x336
217B	Blackboard Fibonacci brute force, math	2100	x889
216E	Martian Luck math, number theory	2000	x578
216D	Spider's Web binary search, sortings, two pointers	1700	x1349
216C	Hiring Staff greedy	1800	x1836
216B	Forming Teams dfs and similar, implementation	1700	x6324
215E	Periodical Numbers combinatorics, dp, number theory	2100	x551
215D	Hot Days greedy	1900	x1593
215C	Crosses brute force, implementation	2100	x665
214B	Hometask brute force, constructive algorithms, greedy, math	1600	x4954
213E	Two Permutations data structures, hashing, strings	2700	x792
213D	Stars constructive algorithms, geometry	2300	x338
213C	Relay Race dp	2000	x2835
213B	Numbers combinatorics, dp	1900	x1745
213A	Game dfs and similar, greedy	1700	x1719
212D	Cutting a Fence binary search, data structures, dsu	2500	x504
212C	Cowboys combinatorics, dp, math	2100	x384
212B	Polycarpus is Looking for Good Substrings bitmasks, hashing, implementation	2300	x332
212A	Privatization flows, graphs	3000	x203
209C	Trails and Glades constructive algorithms, dsu, graphs, greedy	2400	x730
209B	Pixels constructive algorithms, math	2100	x372
209A	Multicolored Marbles dp, math	1600	x2328
208E	Blood Cousins binary search, data structures, dfs and similar, trees	2100	x6583
208C	Police Station dp, graphs, shortest paths	1900	x1837
208B	Solitaire dfs and similar, dp	1900	x1355
207D9	The Beaver's Problem - 3	1800	x85
207D8	The Beaver's Problem - 3	2300	x90
207D7	The Beaver's Problem - 3	1600	x98
207D6	The Beaver's Problem - 3	2100	x81
207D5	The Beaver's Problem - 3	1600	x139
207D4	The Beaver's Problem - 3	2100	x150
207D3	The Beaver's Problem - 3	2000	x136
207D2	The Beaver's Problem - 3	2000	x106
207D10	The Beaver's Problem - 3	2100	x82
207D1	The Beaver's Problem - 3	1800	x117
207C3	Game with Two Trees data structures	2700	x132
207C2	Game with Two Trees	2200	x84
207C1	Game with Two Trees	2100	x107
207B3	Military Trainings	1700	x163
207B2	Military Trainings	1900	x181
207B1	Military Trainings	1600	x266
207A3	Beaver's Calculator 1.0 greedy	2000	x213
207A2	Beaver's Calculator 1.0 greedy	1800	x234
207A1	Beaver's Calculator 1.0 greedy	1600	x285
204E	Little Elephant and Strings data structures, implementation, string suffix structures, two pointers	2800	x1154
204D	Little Elephant and Retro Strings dp	2400	x579
204C	Little Elephant and Furik and Rubik math, probabilities	2000	x1098
203E	Transportation greedy, sortings, two pointers	2300	x280
203D	Hit Ball geometry, implementation, math	1700	x1414
202B	Brand New Easy Problem brute force	1700	x814