Problemset - Codeforces

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

#	Name
1861C	Queries for the Array data structures, dfs and similar, implementation, strings, trees	1600	x10284
1860C	Game on Permutation data structures, dp, games, greedy	1400	x13506
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x7089
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x11438
1857F	Sum and Product binary search, data structures, math	1600	x11805
1857E	Power of Points math, sortings	1500	x12651
1856E1	PermuTree (easy version) dfs and similar, dp, trees	1800	x5415
1856C	To Become Max binary search, brute force, data structures, dp	1600	x12647
1854A1	Dual (Easy Version) constructive algorithms, math	1400	x14291
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4548
1852A	Ntarsis' Set binary search, math, number theory	1800	x8161
1851F	Lisa and the Martians bitmasks, greedy, math, strings, trees	1800	x5961
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x10531
1850H	The Third Letter dfs and similar, dsu, graphs, greedy, implementation	1700	x8364
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x12686
1849D	Array Painting constructive algorithms, greedy, two pointers	1700	x8685
1849C	Binary String Copying binary search, brute force, data structures, hashing, strings	1600	x10704
1848C	Vika and Price Tags math, number theory	1800	x6373
1847C	Vampiric Powers, anyone? bitmasks, brute force, dp, greedy	1400	x13013
1846F	Rudolph and Mimic constructive algorithms, implementation, interactive	1800	x3164
1846E2	Rudolf and Snowflakes (hard version) binary search, brute force, implementation, math	1800	x7121
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7934
1845C	Strong Password binary search, dp, greedy, strings	1400	x14462
1844D	Row Major constructive algorithms, greedy, math, number theory, strings	1400	x12412
1843F1	Omsk Metro (simple version) data structures, dfs and similar, dp, graphs, greedy, math, trees	1800	x5393
1843E	Tracking Segments binary search, brute force, data structures, two pointers	1600	x12634
1842C	Tenzing and Balls dp	1500	x13068
1841C	Ranom Numbers brute force, dp, greedy, math, strings	1800	x7926
1840E	Character Blocking data structures, hashing, implementation	1600	x8154
1840D	Wooden Toy Festival binary search, greedy, sortings	1400	x13925
1838C	No Prime Differences constructive algorithms, math, number theory	1400	x14714
1837D	Bracket Coloring constructive algorithms, greedy	1400	x15141
1835A	k-th equality brute force, implementation, math	1700	x7910
1833G	Ksyusha and Chinchilla constructive algorithms, dfs and similar, dp, dsu, greedy, implementation, trees	1800	x5469
1833F	Ira and Flamenco combinatorics, constructive algorithms, data structures, implementation, math, sortings, two pointers	1700	x7527
1833E	Round Dance dfs and similar, dsu, graphs, shortest paths	1600	x12114
1833D	Flipper brute force, constructive algorithms, greedy	1400	x13467
1830A	Copil Copac Draws Trees dfs and similar, dp, graphs, trees	1400	x13855
1829H	Don't Blame Me bitmasks, combinatorics, dp, math	1700	x7906
1829G	Hits Different data structures, dp, implementation, math	1600	x10687
1826D	Running Miles brute force, dp, greedy	1700	x10167
1824B1	LuoTianyi and the Floating Islands (Easy Version) combinatorics, math, probabilities, trees	1800	x4693
1824A	LuoTianyi and the Show greedy, implementation	1400	x11405
1822G1	Magic Triples (Easy Version) brute force, data structures, math, number theory	1700	x7168
1822F	Gardening Friends brute force, dfs and similar, dp, graphs, trees	1700	x6281
1822E	Making Anti-Palindromes greedy, math, strings	1600	x10616
1817A	Almost Increasing Subsequence binary search, data structures, greedy	1500	x11176
1814C	Search in Parallel constructive algorithms, greedy, sortings	1500	x10975
1814B	Long Legs brute force, math	1700	x10157
1811E	Living Sequence binary search, dp, math, number theory	1500	x12520
1811D	Umka and a Long Flight constructive algorithms, implementation, math	1600	x7606
1810D	Climbing the Tree binary search, math	1700	x7516
1809D	Binary String Sorting constructive algorithms, greedy	1800	x6399
1809C	Sum on Subarrays constructive algorithms, greedy, math	1500	x12975
1807F	Bouncy Ball brute force, dfs and similar, implementation	1700	x6388
1806C	Sequence Master brute force, constructive algorithms, math	1600	x7705
1805D	A Wide, Wide Graph dfs and similar, dp, graphs, greedy, trees	1800	x6754
1805C	Place for a Selfie binary search, data structures, geometry, math	1400	x12695
1804C	Pull Your Luck brute force, greedy, math, number theory	1500	x12280
1801B	Buying gifts data structures, greedy, sortings	1800	x6386
1801A	The Very Beautiful Blanket bitmasks, constructive algorithms	1600	x8674
1800E2	Unforgivable Curse (hard version) brute force, constructive algorithms, dfs and similar, dsu, graphs, greedy, strings	1500	x13024
1800E1	Unforgivable Curse (easy version) brute force, constructive algorithms, dsu, graphs, greedy, strings	1400	x13006
1799C	Double Lexicographically Minimum greedy, strings	1700	x5934
1798D	Shocking Arrangement constructive algorithms, greedy, math	1600	x10200
1798C	Candy Store greedy, math, number theory	1700	x8290
1797C	Li Hua and Chess constructive algorithms, greedy, interactive	1600	x7773
1796C	Maximum Set binary search, math	1600	x10575
1795D	Triangle Coloring combinatorics, math	1600	x9328
1795C	Tea Tasting binary search, data structures, implementation	1500	x12791
1793D	Moscow Gorillas binary search, dp, greedy, implementation, math, two pointers	1800	x6287
1792D	Fixed Prefix Permutations binary search, bitmasks, data structures, hashing, math, sortings	1700	x6334
1792C	Min Max Sort binary search, brute force, greedy, math, two pointers	1500	x14314
1791F	Range Update Point Query binary search, brute force, data structures	1500	x12629
1790E	Vlad and a Pair of Numbers bitmasks, constructive algorithms	1400	x15342
1789C	Serval and Toxel's Arrays combinatorics, dp, implementation, math	1500	x8661
1787C	Remove the Bracket dp, greedy, math	1600	x7166
1783C	Yet Another Tournament binary search, greedy, sortings	1700	x9423
1781D	Many Perfect Squares brute force, math, number theory	1800	x5562
1781C	Equal Frequencies brute force, constructive algorithms, greedy, implementation, sortings, strings	1600	x7738
1780D	Bit Guessing Game binary search, bitmasks, constructive algorithms, interactive	1800	x5011
1779D	Boris and His Amazing Haircut constructive algorithms, data structures, dp, dsu, greedy, sortings	1700	x7986
1779C	Least Prefix Sum data structures, greedy	1600	x12514
1778C	Flexible String bitmasks, brute force, strings	1600	x8364
1777C	Quiz Master binary search, math, number theory, sortings, two pointers	1700	x8756
1776L	Controllers binary search, math	1500	x6242
1776F	Train Splitting constructive algorithms, graphs, greedy	1700	x3529
1775D	Friendly Spiders dfs and similar, graphs, math, number theory, shortest paths	1800	x6375
1775C	Interesting Sequence bitmasks, math	1600	x10660
1774D	Same Count One brute force, constructive algorithms, greedy, implementation, two pointers	1600	x7984
1774B	Coloring constructive algorithms, greedy, math	1500	x12404
1773E	Easy Assembly greedy, sortings	1400	x4963
1772E	Permutation Game games	1700	x6845
1772D	Absolute Sorting constructive algorithms, math	1400	x16146
1771C	Hossam and Trainees greedy, math, number theory	1600	x9824
1771B	Hossam and Friends binary search, constructive algorithms, dp, two pointers	1400	x14720
1770C	Koxia and Number Theory brute force, chinese remainder theorem, math, number theory	1700	x8662
1769D1	Игра в Девятку I *special problem, brute force, dp	1800	x384
1769B2	Копирование файлов II *special problem, binary search, brute force, math	1400	x884
1768D	Lucky Permutation constructive algorithms, dfs and similar, graphs, greedy	1800	x7267