Problemset - Codeforces

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Codeforces Round 940 (Div. 2) and CodeCraft-23
39:21:58
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Problems

#	Name
1919A	Wallet Exchange games, math	800	x31502
1918G	Permutation of Given constructive algorithms, math	2700	x415
1918C	XOR-distance bitmasks, greedy, implementation, math	1400	x12320
1918A	Brick Wall constructive algorithms, greedy, implementation, math	800	x28498
1917E	Construct Matrix constructive algorithms, math	2500	x1251
1917D	Yet Another Inversions Problem combinatorics, data structures, dp, implementation, math, number theory	2300	x1634
1917C	Watering an Array brute force, greedy, implementation, math	1600	x9247
1917A	Least Product constructive algorithms, math	800	x23994
1916H2	Matrix Rank (Hard Version) combinatorics, dp, math, matrices, string suffix structures	2700	x496
1916H1	Matrix Rank (Easy Version) brute force, combinatorics, dp, math, matrices	2700	x579
1916D	Mathematical Problem brute force, constructive algorithms, geometry, math	1700	x7802
1916C	Training Before the Olympiad constructive algorithms, games, greedy, implementation, math	1200	x16520
1916B	Two Divisors constructive algorithms, math, number theory	1000	x23359
1916A	2023 constructive algorithms, implementation, math, number theory	800	x24377
1915E	Romantic Glasses data structures, greedy, math	1300	x18136
1914G1	Light Bulbs (Easy Version) brute force, combinatorics, dfs and similar, dp, dsu, graphs, math, trees	2100	x1640
1914C	Quests greedy, math	1100	x20406
1914B	Preparing for the Contest constructive algorithms, math	800	x28308
1912I	Innovative Washing Machine geometry, math, two pointers	3300	x53
1912F	Fugitive Frenzy math, probabilities	3100	x103
1912E	Evaluate It and Back Again constructive algorithms, implementation, math	2200	x757
1912D	Divisibility Test math	1900	x1280
1912B	Blueprint for Seating combinatorics, divide and conquer, math	2100	x899
1909I	Short Permutation Problem combinatorics, dp, fft, math	1900	x72
1909F2	Small Permutation Problem (Hard Version) combinatorics, dp, math	2500	x811
1909F1	Small Permutation Problem (Easy Version) brute force, combinatorics, dp, math	2200	x1605
1909E	Multiple Lamps bitmasks, brute force, constructive algorithms, math, number theory	2400	x1226
1909D	Split Plus K greedy, math, number theory	1900	x3921
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x9817
1909B	Make Almost Equal With Mod bitmasks, constructive algorithms, math, number theory	1200	x13589
1909A	Distinct Buttons implementation, math	800	x15636
1907C	Removal of Unattractive Pairs constructive algorithms, greedy, math, strings	1200	x18147
1906M	Triangle Construction greedy, math	1700	x2271
1906K	Deck-Building Game divide and conquer, math	2500	x259
1905E	One-X combinatorics, dfs and similar, dp, math, trees	2400	x827
1905D	Cyclic MEX data structures, implementation, math, two pointers	2000	x3432
1905A	Constructive Problems constructive algorithms, math	800	x21607
1903E	Geo Game greedy, interactive, math	2000	x1772
1902F	Trees and XOR Queries Again data structures, dfs and similar, divide and conquer, graphs, implementation, math, trees	2400	x873
1902C	Insert and Equalize brute force, constructive algorithms, greedy, math, number theory	1300	x12072
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6056
1901C	Add, Divide and Floor constructive algorithms, greedy, math	1400	x10557
1901B	Chip and Ribbon greedy, math	1100	x13865
1901A	Line Trip greedy, math	800	x24562
1900D	Small GCD bitmasks, brute force, dp, math, number theory	2000	x3639
1900B	Laura and Operations dp, math	900	x15803
1899D	Yarik and Musical Notes hashing, math, number theory	1300	x12044
1899A	Game with Integers games, math, number theory	800	x36997
1898D	Absolute Beauty greedy, math	1900	x4664
1898B	Milena and Admirer greedy, math	1500	x10319
1896H2	Cyclic Hamming (Hard Version) brute force, dp, fft, math, number theory	3500	x83
1896H1	Cyclic Hamming (Easy Version) brute force, divide and conquer, dp, fft, math, number theory	3400	x76
1896F	Bracket Xoring constructive algorithms, greedy, implementation, math	2600	x638
1896D	Ones and Twos binary search, data structures, divide and conquer, math, two pointers	1700	x5111
1895F	Fancy Arrays combinatorics, dp, math, matrices	2600	x615
1895D	XOR Construction bitmasks, constructive algorithms, data structures, math, string suffix structures, trees	1900	x5504
1895C	Torn Lucky Ticket brute force, dp, hashing, implementation, math	1400	x9987
1895B	Points and Minimum Distance greedy, math, sortings	800	x19551
1895A	Treasure Chest math	800	x23282
1891E	Brukhovich and Exams brute force, greedy, implementation, math, sortings	2500	x767
1891D	Suspicious logarithms binary search, brute force, math	1900	x3678
1891B	Deja Vu brute force, math, sortings	1100	x15524
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x6645
1887D	Split binary search, data structures, divide and conquer, dsu, math, trees, two pointers	2700	x794
1886E	I Wanna be the Team Leader bitmasks, constructive algorithms, dp, greedy, math, sortings, two pointers	2400	x1310
1886D	Monocarp and the Set combinatorics, data structures, math	2100	x3289
1886B	Fear of the Dark binary search, geometry, math	1200	x15028
1886A	Sum of Three brute force, constructive algorithms, math	800	x24383
1884E	Hard Design greedy, implementation, math	2800	x256
1884D	Counting Rhyme dp, math, number theory	2100	x2765
1884B	Haunted House binary search, greedy, math, two pointers	1100	x11561
1884A	Simple Design brute force, greedy, math	800	x16353
1883C	Raspberries dp, math	1000	x22229
1883A	Morning math	800	x23615
1881D	Divide and Equalize math, number theory	1300	x14147
1881B	Three Threadlets math	900	x23408
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x6476
1878F	Vasilije Loves Number Theory brute force, math, number theory	1900	x3671
1878C	Vasilije in Cacak math	900	x27929
1878B	Aleksa and Stack constructive algorithms, math	800	x29645
1877C	Joyboard math, number theory	1200	x9959
1877A	Goals of Victory math	800	x18295
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x10682
1874E	Jellyfish and Hack dp, math	3000	x260
1874D	Jellyfish and Miku divide and conquer, dp, math, probabilities	2800	x639
1874C	Jellyfish and EVA dp, graphs, greedy, math, probabilities	2300	x1488
1873F	Money Trees binary search, greedy, math, two pointers	1300	x13627
1873C	Target Practice implementation, math	800	x34649
1873B	Good Kid brute force, greedy, math	800	x43608
1872G	Replace With Product brute force, greedy, math	2000	x3929
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x5721
1872D	Plus Minus Permutation math	1200	x20660
1872C	Non-coprime Split math, number theory	1100	x21787
1872A	Two Vessels brute force, greedy, math	800	x37036
1870F	Lazy Numbers binary search, math	2900	x460
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x10658
1870B	Friendly Arrays bitmasks, greedy, math	1200	x13256
1870A	MEXanized Array constructive algorithms, greedy, math	800	x18417
1869B	2D Traveling geometry, math, shortest paths, sortings	1100	x14215
1868C	Travel Plan combinatorics, dp, implementation, math, trees	2400	x1061