Problemset - Codeforces

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

#	Name
354B	Game with Strings bitmasks, dp, games	2400	x460
353E	Antichain dp, graph matchings, greedy	2200	x590
353D	Queue constructive algorithms, dp	2000	x2929
353C	Find Maximum implementation, math, number theory	1600	x4918
353B	Two Heaps combinatorics, constructive algorithms, greedy, implementation, math, sortings	1900	x2292
351E	Jeff and Permutation greedy	2200	x1614
351D	Jeff and Removing Periods data structures	2700	x1092
351C	Jeff and Brackets dp, matrices	2500	x562
351B	Jeff and Furik combinatorics, dp, probabilities	1900	x2408
351A	Jeff and Rounding dp, greedy, implementation, math	1800	x2928
350E	Wrong Floyd brute force, constructive algorithms, dfs and similar, graphs	2200	x779
350D	Looking for Owls binary search, data structures, geometry, hashing, sortings	2400	x269
350C	Bombs greedy, implementation, sortings	1600	x6562
349B	Color the Fence data structures, dp, greedy, implementation	1700	x14037
348E	Pilgrims dfs and similar, dp, trees	2800	x445
348D	Turtles dp, matrices	2500	x1741
348C	Subset Sums brute force, data structures	2500	x2224
348B	Apple Tree dfs and similar, number theory, trees	2100	x2104
348A	Mafia binary search, math, sortings	1600	x13248
346E	Doodle Jump math, number theory	3000	x265
346D	Robot Control dp, graphs, shortest paths	2600	x754
346C	Number Transformation II greedy, math	2200	x1438
346B	Lucky Common Subsequence dp, strings	2000	x3575
346A	Alice and Bob games, math, number theory	1600	x8724
345G	Suffix Subgroup *special problem, strings	2200	x100
345F	Superstitions Inspection *special problem	2700	x47
345E	Black Cat Rush *special problem	2700	x50
345D	Chain Letter *special problem, dfs and similar, graphs	2200	x79
345C	Counting Fridays *special problem	2000	x126
345B	Triskaidekaphobia *special problem	2100	x125
343E	Pumping Stations brute force, dfs and similar, divide and conquer, flows, graphs, greedy, trees	2900	x765
343D	Water Tree data structures, dfs and similar, graphs, trees	2100	x5876
343C	Read Time binary search, greedy, two pointers	1900	x3026
343B	Alternating Current data structures, greedy, implementation	1600	x14040
343A	Rational Resistance math, number theory	1600	x8781
342E	Xenia and Tree data structures, divide and conquer, trees	2400	x8620
342D	Xenia and Dominoes bitmasks, dfs and similar, dp	2100	x500
342C	Cupboard and Balloons geometry	1900	x1860
341E	Candies Game constructive algorithms, greedy	3000	x458
341D	Iahub and Xors data structures	2500	x1241
340E	Iahub and Permutations combinatorics, math	2000	x2487
340C	Tourist Problem combinatorics, implementation, math	1600	x4242
340B	Maximal Area Quadrilateral brute force, geometry	2100	x2091
339E	Three Swaps constructive algorithms, dfs and similar, greedy	2700	x552
339D	Xenia and Bit Operations data structures, trees	1700	x26114
339C	Xenia and Weights constructive algorithms, dfs and similar, dp, graphs, greedy, shortest paths	1700	x8337
338E	Optimize! data structures	2600	x1002
338D	GCD Table chinese remainder theorem, math, number theory	2900	x1176
337E	Divisor Tree brute force, number theory, trees	2200	x1026
337D	Book of Evil dfs and similar, divide and conquer, dp, trees	2000	x6201
337C	Quiz binary search, greedy, math, matrices, number theory	1600	x4942
336E	Vasily the Bear and Painting Square bitmasks, combinatorics, dp, implementation	2700	x116
336D	Vasily the Bear and Beautiful Strings combinatorics, math, number theory	2100	x1013
336C	Vasily the Bear and Sequence brute force, greedy, implementation, number theory	1800	x2477
336B	Vasily the Bear and Fly math	1900	x1219
335F	Buy One, Get One Free dp, greedy	3000	x556
335E	Counting Skyscrapers dp, math, probabilities	2800	x225
335D	Rectangles and Square brute force, dp	2400	x329
335C	More Reclamation games	2100	x538
335B	Palindrome constructive algorithms, dp	1900	x2111
333E	Summer Earnings binary search, bitmasks, brute force, geometry, sortings	2500	x1143
333D	Characteristics of Rectangles binary search, bitmasks, brute force, implementation, sortings	2100	x2124
333C	Lucky Tickets brute force, constructive algorithms	2700	x392
333B	Chips greedy	1800	x2653
333A	Secrets greedy	1600	x4054
332E	Binary Key dp, greedy, implementation	2400	x302
332D	Theft of Blueprints graphs, math	2400	x385
332C	Students' Revenge data structures, greedy, sortings	2200	x916
331E2	Deja Vu constructive algorithms, dp	3100	x218
331E1	Deja Vu constructive algorithms, graphs, implementation	2900	x165
331D3	Escaping on Beaveractor data structures, implementation, trees	3000	x178
331D2	Escaping on Beaveractor graphs	2600	x135
331D1	Escaping on Beaveractor dfs and similar, implementation	2400	x205
331C3	The Great Julya Calendar dp	2500	x499
331C2	The Great Julya Calendar dp	2400	x389
331B2	Shave Beaver! data structures	1900	x726
331B1	Shave Beaver! implementation	1700	x738
329E	Evil math	3100	x169
329D	The Evil Temple and the Moving Rocks constructive algorithms	2500	x407
329C	Graph Reconstruction constructive algorithms	2400	x914
328A	IQ Test implementation	1800	x2088
327E	Axis Walking bitmasks, combinatorics, constructive algorithms, dp, meet-in-the-middle	2300	x1413
327D	Block Tower constructive algorithms, dfs and similar, graphs	1900	x2288
327C	Magic Five combinatorics, math	1700	x3228
325E	The Red Button combinatorics, dfs and similar, dsu, graphs, greedy	2800	x831
325D	Reclamation dsu	2900	x544
325C	Monsters and Diamonds dfs and similar, graphs, shortest paths	2600	x350
325B	Stadium and Games binary search, math	1800	x1568
323C	Two permutations data structures	2400	x601
323B	Tournament-graph constructive algorithms, graphs	2200	x401
323A	Black-and-White Cube combinatorics, constructive algorithms	1600	x751
322B	Ciel and Flowers combinatorics, math	1600	x11876
321E	Ciel and Gondolas data structures, divide and conquer, dp	2600	x5060
321D	Ciel and Flipboard dp, greedy, math	2900	x547
321C	Ciel the Commander constructive algorithms, dfs and similar, divide and conquer, greedy, trees	2100	x7436
321B	Ciel and Duel dp, flows, greedy	1900	x3136
321A	Ciel and Robot binary search, implementation, math	1700	x3650
319E	Ping-Pong data structures	3000	x662
319D	Have You Ever Heard About the Word? greedy, hashing, string suffix structures, strings	2800	x666
319C	Kalila and Dimna in the Logging Industry dp, geometry	2100	x5295