Problemset - Codeforces

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Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2)
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Problems

#	Name
241F	Race brute force, implementation	2300	x263
241E	Flights graphs, shortest paths	2600	x1114
241D	Numbers	2900	x381
241C	Mirror Box geometry, implementation	2000	x512
241B	Friends binary search, bitmasks, data structures, math	2700	x818
240F	TorCoder data structures	2600	x1970
240E	Road Repairs dfs and similar, graphs, greedy	2800	x357
238E	Meeting Her dp, graphs, shortest paths	2600	x394
238D	Tape Programming data structures, implementation	2900	x251
238C	World Eater Brothers dfs and similar, dp, greedy, trees	2100	x1247
238B	Boring Partition constructive algorithms	1800	x1333
237E	Build String flows, graphs	2000	x1747
237D	T-decomposition dfs and similar, graphs, greedy, trees	2000	x568
237C	Primes on Interval binary search, number theory, two pointers	1600	x5841
235E	Number Challenge combinatorics, dp, implementation, math, number theory	2600	x779
235D	Graph Game graphs	3000	x507
235C	Cyclical Quest data structures, string suffix structures, strings	2700	x2152
235B	Let's Play Osu! dp, math, probabilities	2000	x3594
235A	LCM Challenge number theory	1600	x17979
234H	Merging Two Decks constructive algorithms, greedy	2000	x568
234G	Practice constructive algorithms, divide and conquer, implementation	1600	x1481
234F	Fence dp	1800	x1750
234E	Champions' League implementation	1600	x1002
234D	Cinema implementation	1600	x1541
232E	Quick Tortoise bitmasks, divide and conquer, dp	3000	x698
232D	Fence binary search, data structures, string suffix structures	2900	x476
232C	Doe Graphs constructive algorithms, divide and conquer, dp, graphs, shortest paths	2600	x291
232B	Table bitmasks, combinatorics, dp, math	1900	x1481
232A	Cycles binary search, constructive algorithms, graphs, greedy	1600	x2551
231E	Cactus data structures, dfs and similar, dp, graphs, trees	2100	x1910
231D	Magic Box brute force, geometry	1600	x4109
231C	To Add or Not to Add binary search, sortings, two pointers	1600	x8686
229E	Gifts combinatorics, dp, math, probabilities	2600	x466
229D	Towers dp, greedy, two pointers	2100	x2281
229C	Triangles combinatorics, graphs, math	1900	x1630
229B	Planets binary search, data structures, graphs, shortest paths	1700	x4732
228E	The Road to Berland is Paved With Good Intentions 2-sat, dfs and similar, dsu, graphs	1900	x2481
228D	Zigzag data structures	2100	x386
228C	Fractal Detector dp, hashing	2000	x455
226E	Noble Knight's Path data structures, trees	2900	x463
226D	The table constructive algorithms, greedy	2100	x970
226C	Anniversary data structures, implementation, math, matrices, number theory	2400	x914
226B	Naughty Stone Piles greedy	1900	x1567
225E	Unsolvable math, number theory	2100	x807
225D	Snake bitmasks, dfs and similar, graphs, implementation	2200	x949
225C	Barcode dp, matrices	1700	x9224
225B	Well-known Numbers binary search, greedy, number theory	1600	x3164
223E	Planar Graph flows, geometry, graphs	3000	x191
223D	Spider geometry, graphs	3000	x70
223C	Partial Sums combinatorics, math, number theory	1900	x1588
223B	Two Strings data structures, dp, strings	1900	x1819
223A	Bracket Sequence data structures, expression parsing, implementation	1700	x2541
222E	Decoding Genome dp, matrices	1900	x2835
222D	Olympiad binary search, greedy, sortings, two pointers	1900	x2173
222C	Reducing Fractions implementation, math, number theory, sortings	1800	x2264
220E	Little Elephant and Inversions data structures, two pointers	2400	x1422
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	x10426
219E	Parking Lot data structures	2200	x620
219D	Choosing Capital for Treeland dfs and similar, dp, graphs, trees	1700	x9658
219C	Color Stripe brute force, dp, greedy	1600	x6679
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
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	x6414
215E	Periodical Numbers combinatorics, dp, number theory	2100	x576
215D	Hot Days greedy	1900	x1605
215C	Crosses brute force, implementation	2100	x671
214B	Hometask brute force, constructive algorithms, greedy, math	1600	x4987
213E	Two Permutations data structures, hashing, strings	2700	x836
213D	Stars constructive algorithms, geometry	2300	x341
213C	Relay Race dp	2000	x2897
213B	Numbers combinatorics, dp	1900	x1790
213A	Game dfs and similar, greedy	1700	x1726
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	x2376
208E	Blood Cousins binary search, data structures, dfs and similar, trees	2100	x6937
208C	Police Station dp, graphs, shortest paths	1900	x1879
208B	Solitaire dfs and similar, dp	1900	x1364
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	x147
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