Problemset - Codeforces

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Codeforces Round 965 (Div. 2)
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Problems

#	Name
1918G	Permutation of Given constructive algorithms, math	2700	x443
1918C	XOR-distance bitmasks, greedy, implementation, math	1400	x13441
1918A	Brick Wall constructive algorithms, greedy, implementation, math	800	x29637
1917E	Construct Matrix constructive algorithms, math	2500	x1327
1917D	Yet Another Inversions Problem combinatorics, data structures, dp, implementation, math, number theory	2300	x1730
1917C	Watering an Array brute force, greedy, implementation, math	1600	x9986
1917A	Least Product constructive algorithms, math	800	x24950
1916H2	Matrix Rank (Hard Version) combinatorics, dp, math, matrices, string suffix structures	2700	x520
1916H1	Matrix Rank (Easy Version) brute force, combinatorics, dp, math, matrices	2700	x601
1916D	Mathematical Problem brute force, constructive algorithms, geometry, math	1700	x8293
1916C	Training Before the Olympiad constructive algorithms, games, greedy, implementation, math	1200	x17372
1916B	Two Divisors constructive algorithms, math, number theory	1000	x24939
1916A	2023 constructive algorithms, implementation, math, number theory	800	x25266
1915E	Romantic Glasses data structures, greedy, math	1300	x20328
1914G1	Light Bulbs (Easy Version) brute force, combinatorics, dfs and similar, dp, dsu, graphs, math, trees	2100	x1772
1914C	Quests greedy, math	1100	x22677
1914B	Preparing for the Contest constructive algorithms, math	800	x29615
1912I	Innovative Washing Machine geometry, math, two pointers	3300	x56
1912F	Fugitive Frenzy math, probabilities	3100	x109
1912E	Evaluate It and Back Again constructive algorithms, implementation, math	2200	x862
1912D	Divisibility Test math	1900	x1396
1912B	Blueprint for Seating combinatorics, divide and conquer, math	2100	x980
1909I	Short Permutation Problem combinatorics, dp, fft, math	1900	x116
1909F2	Small Permutation Problem (Hard Version) combinatorics, dp, math	2500	x885
1909F1	Small Permutation Problem (Easy Version) brute force, combinatorics, dp, math	2200	x1727
1909E	Multiple Lamps bitmasks, brute force, constructive algorithms, math, number theory	2400	x1322
1909D	Split Plus K greedy, math, number theory	1900	x4267
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x10747
1909B	Make Almost Equal With Mod bitmasks, constructive algorithms, math, number theory	1200	x15823
1909A	Distinct Buttons implementation, math	800	x16267
1907C	Removal of Unattractive Pairs constructive algorithms, greedy, math, strings	1200	x19485
1906M	Triangle Construction greedy, math	1700	x2511
1906K	Deck-Building Game divide and conquer, math	2500	x279
1905E	One-X combinatorics, dfs and similar, dp, math, trees	2400	x915
1905D	Cyclic MEX data structures, implementation, math, two pointers	2000	x3688
1905A	Constructive Problems constructive algorithms, math	800	x22526
1903E	Geo Game greedy, interactive, math	2000	x1927
1902F	Trees and XOR Queries Again data structures, dfs and similar, divide and conquer, graphs, implementation, math, trees	2400	x962
1902C	Insert and Equalize brute force, constructive algorithms, greedy, math, number theory	1300	x13160
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6609
1901C	Add, Divide and Floor constructive algorithms, greedy, math	1400	x11518
1901B	Chip and Ribbon greedy, math	1100	x14591
1901A	Line Trip greedy, math	800	x28986
1900D	Small GCD bitmasks, brute force, dp, math, number theory	2000	x3984
1900B	Laura and Operations dp, math	900	x16930
1899D	Yarik and Musical Notes hashing, math, number theory	1300	x13064
1899A	Game with Integers games, math, number theory	800	x42395
1898D	Absolute Beauty greedy, math	1900	x5045
1898B	Milena and Admirer greedy, math	1500	x11346
1896H2	Cyclic Hamming (Hard Version) brute force, dp, fft, math, number theory	3500	x98
1896H1	Cyclic Hamming (Easy Version) brute force, divide and conquer, dp, fft, math, number theory	3400	x87
1896F	Bracket Xoring constructive algorithms, greedy, implementation, math	2600	x701
1896D	Ones and Twos binary search, data structures, divide and conquer, math, two pointers	1700	x5518
1895F	Fancy Arrays combinatorics, dp, math, matrices	2600	x716
1895D	XOR Construction bitmasks, constructive algorithms, data structures, math, string suffix structures, trees	1900	x5840
1895C	Torn Lucky Ticket brute force, dp, hashing, implementation, math	1400	x10694
1895B	Points and Minimum Distance greedy, math, sortings	800	x20182
1895A	Treasure Chest math	800	x24073
1891E	Brukhovich and Exams brute force, greedy, implementation, math, sortings	2500	x805
1891D	Suspicious logarithms binary search, brute force, math	1900	x3864
1891B	Deja Vu brute force, math, sortings	1100	x17102
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x7129
1887D	Split binary search, data structures, divide and conquer, dsu, math, trees, two pointers	2700	x858
1886E	I Wanna be the Team Leader bitmasks, constructive algorithms, dp, greedy, math, sortings, two pointers	2400	x1403
1886D	Monocarp and the Set combinatorics, data structures, math	2100	x3476
1886B	Fear of the Dark binary search, geometry, math	1200	x15807
1886A	Sum of Three brute force, constructive algorithms, math	800	x25379
1884E	Hard Design greedy, implementation, math	2800	x276
1884D	Counting Rhyme dp, math, number theory	2100	x3078
1884B	Haunted House binary search, greedy, math, two pointers	1100	x12392
1884A	Simple Design brute force, greedy, math	800	x17167
1883C	Raspberries dp, math	1000	x25564
1883A	Morning math	800	x25092
1881D	Divide and Equalize math, number theory	1300	x16149
1881B	Three Threadlets math	900	x24832
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x7114
1878F	Vasilije Loves Number Theory brute force, math, number theory	1900	x3996
1878C	Vasilije in Cacak math	900	x31054
1878B	Aleksa and Stack constructive algorithms, math	800	x30958
1877C	Joyboard math, number theory	1200	x10647
1877A	Goals of Victory math	800	x21541
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x11360
1874E	Jellyfish and Hack dp, math	3000	x299
1874D	Jellyfish and Miku divide and conquer, dp, math, probabilities	2800	x695
1874C	Jellyfish and EVA dp, graphs, greedy, math, probabilities	2300	x1588
1873F	Money Trees binary search, greedy, math, two pointers	1300	x14883
1873C	Target Practice implementation, math	800	x38481
1873B	Good Kid brute force, greedy, math	800	x47035
1872G	Replace With Product brute force, greedy, math	2000	x4153
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x6128
1872D	Plus Minus Permutation math	1200	x22725
1872C	Non-coprime Split math, number theory	1100	x22893
1872A	Two Vessels brute force, greedy, math	800	x38428
1870F	Lazy Numbers binary search, math	2900	x479
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x11213
1870B	Friendly Arrays bitmasks, greedy, math	1200	x13929
1870A	MEXanized Array constructive algorithms, greedy, math	800	x18870
1869B	2D Traveling geometry, math, shortest paths, sortings	1100	x15500
1868C	Travel Plan combinatorics, dp, implementation, math, trees	2400	x1119
1868B2	Candy Party (Hard Version) bitmasks, constructive algorithms, dp, greedy, implementation, math	2100	x2350