Problemset - Codeforces

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Codeforces Round 987 (Div. 2)
07:42:41
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Problems

#	Name
1883E	Look Back bitmasks, greedy	1700	x8229
1883D	In Love data structures, greedy	1500	x11691
1883C	Raspberries dp, math	1000	x28314
1883B	Chemistry strings	900	x33250
1883A	Morning math	800	x25866
1882E2	Two Permutations (Hard Version) constructive algorithms	3100	x297
1882E1	Two Permutations (Easy Version) brute force, constructive algorithms, greedy, number theory	2400	x1035
1882D	Tree XOR bitmasks, dfs and similar, dp, greedy, trees	1900	x5578
1882C	Card Game brute force, greedy	1500	x12508
1882B	Sets and Union bitmasks, brute force, constructive algorithms, greedy	1300	x15579
1882A	Increasing Sequence greedy	800	x25493
1881G	Anya and the Mysterious String binary search, data structures	2000	x2417
1881F	Minimum Maximum Distance dfs and similar, dp, graphs, shortest paths, trees	1700	x7096
1881E	Block Sequence dp	1500	x14611
1881D	Divide and Equalize math, number theory	1300	x17699
1881C	Perfect Square brute force, implementation	1200	x17218
1881B	Three Threadlets math	900	x25603
1881A	Don't Try to Count brute force, strings	800	x32812
1879F	Last Man Standing brute force, data structures, number theory	2800	x516
1879E	Interactive Game with Coloring brute force, constructive algorithms, dfs and similar, graphs, implementation, interactive, trees	2400	x1276
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x7537
1879C	Make it Alternating combinatorics, dp, greedy	1300	x17321
1879B	Chips on the Board constructive algorithms, greedy	900	x22740
1879A	Rigged! greedy	800	x23220
1878G	wxhtzdy ORO Tree binary search, bitmasks, brute force, data structures, dfs and similar, implementation, trees	2300	x1195
1878F	Vasilije Loves Number Theory brute force, math, number theory	1900	x4166
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x13122
1878D	Reverse Madness data structures, greedy	1600	x8464
1878C	Vasilije in Cacak math	900	x33838
1878B	Aleksa and Stack constructive algorithms, math	800	x31610
1878A	How Much Does Daytona Cost? greedy	800	x45651
1877C	Joyboard math, number theory	1200	x11142
1877A	Goals of Victory math	800	x24366
1876G	Clubstep binary search, brute force, data structures, greedy, trees	3500	x140
1876F	Indefinite Clownfish binary search, graphs	3500	x138
1876E	Ball-Stackable constructive algorithms, data structures, dp, trees	3300	x271
1876D	Lexichromatography combinatorics, dfs and similar, dsu, graphs, two pointers	2500	x890
1876C	Autosynthesis constructive algorithms, dfs and similar, graphs, greedy, sortings	2100	x2317
1876B	Effects of Anti Pimples combinatorics, number theory, sortings	1500	x8431
1876A	Helmets in Night Light greedy, sortings	1000	x18454
1875D	Jellyfish and Mex dp	1600	x8861
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x11862
1875A	Jellyfish and Undertale brute force, greedy	900	x26250
1874G	Jellyfish and Inscryption dp	3500	x88
1874F	Jellyfish and OEIS dp	3500	x214
1874E	Jellyfish and Hack dp, math	3000	x321
1874D	Jellyfish and Miku divide and conquer, dp, math, probabilities	2800	x740
1874C	Jellyfish and EVA dp, graphs, greedy, math, probabilities	2300	x1743
1874B	Jellyfish and Math bitmasks, brute force, dfs and similar, dp, graphs, shortest paths	2400	x1159
1874A	Jellyfish and Game brute force, games, greedy, implementation	1200	x17223
1873H	Mad City dfs and similar, dsu, games, graphs, shortest paths, trees	1700	x7533
1873G	ABBC or BACB constructive algorithms, greedy	1500	x13555
1873F	Money Trees binary search, greedy, math, two pointers	1300	x15781
1873E	Building an Aquarium binary search, sortings	1100	x27441
1873D	1D Eraser greedy, implementation, two pointers	800	x35626
1873C	Target Practice implementation, math	800	x41770
1873B	Good Kid brute force, greedy, math	800	x49637
1873A	Short Sort brute force, implementation	800	x55313
1872G	Replace With Product brute force, greedy, math	2000	x4333
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x6429
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x13960
1872D	Plus Minus Permutation math	1200	x24559
1872C	Non-coprime Split math, number theory	1100	x23640
1872B	The Corridor or There and Back Again greedy, implementation	900	x28088
1872A	Two Vessels brute force, greedy, math	800	x39429
1870H	Standard Graph Problem data structures, graphs, greedy, trees	3500	x87
1870G	MEXanization data structures	3300	x219
1870F	Lazy Numbers binary search, math	2900	x495
1870E	Another MEX Problem bitmasks, brute force, dp, shortest paths	2300	x2399
1870D	Prefix Purchase greedy, implementation, sortings	1800	x7062
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x11591
1870B	Friendly Arrays bitmasks, greedy, math	1200	x14284
1870A	MEXanized Array constructive algorithms, greedy, math	800	x19112
1869B	2D Traveling geometry, math, shortest paths, sortings	1100	x16461
1869A	Make It Zero constructive algorithms	900	x22312
1868F	LIS? data structures, greedy, implementation	3500	x78
1868E	Min-Sum-Max constructive algorithms, dp, greedy	3500	x86
1868D	Flower-like Pseudotree constructive algorithms, graphs, greedy, implementation, trees	3000	x289
1868C	Travel Plan combinatorics, dp, implementation, math, trees	2400	x1174
1868B2	Candy Party (Hard Version) bitmasks, constructive algorithms, dp, greedy, implementation, math	2100	x2428
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x7085
1868A	Fill in the Matrix constructive algorithms, implementation	1300	x12123
1867F	Most Different Tree brute force, constructive algorithms, dfs and similar, greedy, hashing	2700	x425
1867E2	Salyg1n and Array (hard version) constructive algorithms, interactive	2200	x3219
1867E1	Salyg1n and Array (simple version) constructive algorithms, interactive, math	2000	x3796
1867D	Cyclic Operations brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	1800	x5862
1867C	Salyg1n and the MEX Game constructive algorithms, data structures, games, greedy, interactive	1300	x11349
1867B	XOR Palindromes bitmasks, constructive algorithms, strings	1100	x16860
1867A	green_gold_dog, array and permutation constructive algorithms, sortings	800	x20035
1866M	Mighty Rock Tower brute force, combinatorics, dp, math, probabilities	2400	x814
1866L	Lihmuf Balling binary search, brute force, math	2400	x727
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x448
1866J	Jackets and Packets dp	2800	x291
1866I	Imagination Castle dp, games, two pointers	2300	x771
1866H	Happy Sets combinatorics	2100	x1665
1866G	Grouped Carriages binary search, data structures, dp, flows, greedy	2100	x1729
1866F	Freak Joker Process binary search, data structures, sortings	3100	x136
1866E	Elevators of Tamem dp	2700	x418
1866D	Digital Wallet dp, greedy	2300	x1334
1866C	Completely Searching for Inversions dfs and similar, dp, graphs	1900	x3075