Problemset - Codeforces

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

#	Name
301B	Yaroslav and Time binary search, graphs, shortest paths	2100	x2409
296B	Yaroslav and Two Strings combinatorics, dp	2000	x2299
295C	Greg and Friends combinatorics, dp, graphs, shortest paths	2100	x1737
294C	Shaass and Lights combinatorics, number theory	1900	x3838
292E	Copying Data data structures	1900	x4185
292D	Connected Components data structures, dfs and similar, dp, dsu	1900	x2449
292C	Beautiful IP Addresses brute force	2000	x1173
291E	Tree-String Problem *special problem, dfs and similar, hashing, strings	2000	x1320
286C	Main Sequence greedy, implementation	2100	x1514
285D	Permutation Sum bitmasks, combinatorics, dp, implementation, meet-in-the-middle	1900	x1555
283C	Coin Troubles dp	2100	x1449
282D	Yet Another Number Game dp, games	2100	x1447
280A	Rectangle Puzzle geometry	2000	x1473
279E	Beautiful Decomposition dp, games, greedy, number theory	1900	x1450
276E	Little Girl and Problem on Trees data structures, graphs, trees	2100	x1617
269C	Flawed Flow constructive algorithms, flows, graphs, greedy	2100	x1688
268E	Playlist math, probabilities, sortings	2100	x1026
267B	Dominoes dfs and similar, graphs	2000	x645
266C	Below the Diagonal constructive algorithms, greedy, math	2100	x1354
264C	Choosing Balls dp	2000	x2958
263C	Circle of Numbers brute force, dfs and similar, implementation	2000	x1078
261C	Maxim and Matrix constructive algorithms, dp, math	2000	x779
261B	Maxim and Restaurant dp, math, probabilities	1900	x1418
260D	Black and White Tree constructive algorithms, dsu, graphs, greedy, trees	2100	x1556
258C	Little Elephant and LCM binary search, combinatorics, dp, math	2000	x1796
258B	Little Elephant and Elections brute force, combinatorics, dp	1900	x1453
257D	Sum greedy, math	1900	x1610
254E	Dormitory dp, implementation	2100	x678
253D	Table with Letters - 2 brute force, two pointers	2000	x848
251C	Number Transformation dp, greedy, number theory	2000	x1038
250E	Mad Joe brute force	2000	x469
250D	Building Bridge geometry, ternary search, two pointers	1900	x895
248C	Robo-Footballer binary search, geometry	2000	x855
245F	Log Stream Analysis binary search, brute force, implementation, strings	2000	x878
243B	Hydra graphs, sortings	2000	x1236
242E	XOR on Segment bitmasks, data structures	2000	x9436
242D	Dispute dfs and similar, graphs, greedy	2100	x1881
241G	Challenging Balloons constructive algorithms	1900	x549
241C	Mirror Box geometry, implementation	2000	x512
238C	World Eater Brothers dfs and similar, dp, greedy, trees	2100	x1247
237E	Build String flows, graphs	2000	x1741
237D	T-decomposition dfs and similar, graphs, greedy, trees	2000	x568
235B	Let's Play Osu! dp, math, probabilities	2000	x3593
234H	Merging Two Decks constructive algorithms, greedy	2000	x568
232B	Table bitmasks, combinatorics, dp, math	1900	x1481
231E	Cactus data structures, dfs and similar, dp, graphs, trees	2100	x1909
229D	Towers dp, greedy, two pointers	2100	x2280
229C	Triangles combinatorics, graphs, math	1900	x1630
228E	The Road to Berland is Paved With Good Intentions 2-sat, dfs and similar, dsu, graphs	1900	x2480
228D	Zigzag data structures	2100	x386
228C	Fractal Detector dp, hashing	2000	x455
226D	The table constructive algorithms, greedy	2100	x968
226B	Naughty Stone Piles greedy	1900	x1567
225E	Unsolvable math, number theory	2100	x807
223C	Partial Sums combinatorics, math, number theory	1900	x1568
223B	Two Strings data structures, dp, strings	1900	x1817
222E	Decoding Genome dp, matrices	1900	x2831
222D	Olympiad binary search, greedy, sortings, two pointers	1900	x2173
220C	Little Elephant and Shifts data structures	2100	x945
217B	Blackboard Fibonacci brute force, math	2100	x899
216E	Martian Luck math, number theory	2000	x590
215E	Periodical Numbers combinatorics, dp, number theory	2100	x576
215D	Hot Days greedy	1900	x1605
215C	Crosses brute force, implementation	2100	x671
213C	Relay Race dp	2000	x2894
213B	Numbers combinatorics, dp	1900	x1787
212C	Cowboys combinatorics, dp, math	2100	x389
209B	Pixels constructive algorithms, math	2100	x377
208E	Blood Cousins binary search, data structures, dfs and similar, trees	2100	x6933
208C	Police Station dp, graphs, shortest paths	1900	x1876
208B	Solitaire dfs and similar, dp	1900	x1364
207D6	The Beaver's Problem - 3	2100	x84
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
207C1	Game with Two Trees	2100	x107
207B2	Military Trainings	1900	x196
207A3	Beaver's Calculator 1.0 greedy	2000	x217
204C	Little Elephant and Furik and Rubik math, probabilities	2000	x1119
201C	Fragile Bridges dp	2000	x1367
199B	Special Olympics geometry	1900	x805
196B	Infinite Maze dfs and similar, graphs	2000	x2225
195E	Building Forest data structures, dsu, graphs	2000	x727
195D	Analyzing Polyline geometry, math, sortings	1900	x1046
193B	Xor brute force	2000	x1014
191C	Fools and Roads data structures, dfs and similar, trees	1900	x7307
190E	Counter Attack data structures, dsu, graphs, hashing, sortings	2100	x1553
190D	Non-Secret Cypher two pointers	1900	x2344
187C	Weak Memory dfs and similar, dsu	2000	x1363
182C	Optimal Sum data structures, greedy	2000	x743
180D	Name greedy, strings	1900	x732
178E2	The Beaver's Problem - 2	2000	x230
178E1	The Beaver's Problem - 2	1900	x289
178D3	Magic Squares	2100	x250
178D2	Magic Squares	1900	x273
178C3	Smart Beaver and Resolving Collisions	2000	x325
178C2	Smart Beaver and Resolving Collisions	1900	x308
177E2	Space Voyage binary search	1900	x433
176C	Playing with Superglue combinatorics, constructive algorithms	2000	x482