Problemset - Codeforces

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Codeforces Round (Div. 1 + Div. 2)
2 weeks

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Problems

#	Name
1891A	Sorting with Twos constructive algorithms, sortings	800	x20713
1890B	Qingshan Loves Strings constructive algorithms, implementation	800	x18960
1890A	Doremy's Paint 3 constructive algorithms	800	x65512
1889F	Doremy's Average Tree data structures, dp, greedy, trees	3500	x224
1889E	Doremy's Swapping Trees dfs and similar, graphs, trees	3500	x189
1889D	Game of Stacks brute force, dfs and similar, graphs, implementation, trees	3000	x1022
1889C2	Doremy's Drying Plan (Hard Version) data structures, dp	2600	x1235
1889C1	Doremy's Drying Plan (Easy Version) brute force, data structures, dp, greedy, sortings	2000	x4014
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x8780
1889A	Qingshan Loves Strings 2 constructive algorithms, greedy, implementation	1300	x15652
1887F	Minimum Segments constructive algorithms	3400	x284
1887E	Good Colorings binary search, constructive algorithms, graphs, interactive	3100	x575
1887D	Split binary search, data structures, divide and conquer, dsu, math, trees, two pointers	2700	x1387
1887C	Minimum Array binary search, brute force, constructive algorithms, data structures, greedy, hashing, two pointers	2400	x2385
1887B	Time Travel binary search, graphs, shortest paths	1900	x4085
1886F	Diamond Theft data structures, greedy	3300	x277
1886E	I Wanna be the Team Leader bitmasks, constructive algorithms, dp, greedy, math, sortings, two pointers	2400	x1930
1886D	Monocarp and the Set combinatorics, data structures, math	2100	x4290
1886C	Decreasing String implementation, strings	1600	x17880
1886B	Fear of the Dark binary search, geometry, math	1200	x18376
1886A	Sum of Three brute force, constructive algorithms, math	800	x27966
1885A	Deterministic Scheduling for Extended Reality over 5G and Beyond *special problem
1884E	Hard Design greedy, implementation, math	2800	x452
1884D	Counting Rhyme dp, math, number theory	2100	x4353
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x7536
1884B	Haunted House binary search, greedy, math, two pointers	1100	x15061
1884A	Simple Design brute force, greedy, math	800	x19373
1883G2	Dances (Hard Version) binary search, greedy, sortings, two pointers	1900	x7020
1883G1	Dances (Easy version) binary search, greedy, two pointers	1400	x21695
1883F	You Are So Beautiful data structures	1400	x12277
1883E	Look Back bitmasks, greedy	1700	x10222
1883D	In Love data structures, greedy	1500	x14979
1883C	Raspberries dp, math	1000	x56544
1883B	Chemistry strings	900	x67032
1883A	Morning math	800	x29931
1882E2	Two Permutations (Hard Version) constructive algorithms	3100	x438
1882E1	Two Permutations (Easy Version) brute force, constructive algorithms, greedy, number theory	2400	x1415
1882D	Tree XOR bitmasks, dfs and similar, dp, greedy, trees	1900	x7463
1882C	Card Game brute force, greedy	1500	x14691
1882B	Sets and Union bitmasks, brute force, constructive algorithms, greedy	1300	x17702
1882A	Increasing Sequence greedy	800	x27509
1881G	Anya and the Mysterious String binary search, data structures	2000	x3053
1881F	Minimum Maximum Distance dfs and similar, dp, graphs, shortest paths, trees	1700	x10160
1881E	Block Sequence dp	1500	x26389
1881D	Divide and Equalize math, number theory	1300	x31421
1881C	Perfect Square brute force, implementation	1200	x19881
1881B	Three Threadlets math	900	x29233
1881A	Don't Try to Count brute force, strings	800	x67669
1879F	Last Man Standing brute force, data structures, number theory	2800	x675
1879E	Interactive Game with Coloring brute force, constructive algorithms, dfs and similar, graphs, implementation, interactive, trees	2400	x1636
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x11362
1879C	Make it Alternating combinatorics, dp, greedy	1300	x29850
1879B	Chips on the Board constructive algorithms, greedy	900	x25385
1879A	Rigged! greedy	800	x24774
1878G	wxhtzdy ORO Tree binary search, bitmasks, brute force, data structures, dfs and similar, implementation, trees	2300	x1529
1878F	Vasilije Loves Number Theory brute force, math, number theory	1900	x5053
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x23173
1878D	Reverse Madness data structures, greedy	1600	x10356
1878C	Vasilije in Cacak math	900	x64538
1878B	Aleksa and Stack constructive algorithms, math	800	x34652
1878A	How Much Does Daytona Cost? greedy	800	x88238
1877C	Joyboard math, number theory	1200	x13224
1877A	Goals of Victory math	800	x60289
1876G	Clubstep binary search, brute force, data structures, greedy, trees	3500	x298
1876F	Indefinite Clownfish binary search, graphs	3500	x237
1876E	Ball-Stackable constructive algorithms, data structures, dp, trees	3300	x377
1876D	Lexichromatography combinatorics, dfs and similar, dsu, graphs, two pointers	2500	x1110
1876C	Autosynthesis constructive algorithms, dfs and similar, graphs, greedy, sortings	2100	x2868
1876B	Effects of Anti Pimples combinatorics, number theory, sortings	1500	x10354
1876A	Helmets in Night Light greedy, sortings	1000	x39941
1875D	Jellyfish and Mex dp	1600	x11877
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x14194
1875A	Jellyfish and Undertale brute force, greedy	900	x53098
1874G	Jellyfish and Inscryption dp	3500	x169
1874F	Jellyfish and OEIS dp	3500	x517
1874E	Jellyfish and Hack dp, math	3000	x776
1874D	Jellyfish and Miku divide and conquer, dp, math, probabilities	2800	x1034
1874C	Jellyfish and EVA dp, graphs, greedy, math, probabilities	2300	x2268
1874B	Jellyfish and Math bitmasks, brute force, dfs and similar, dp, graphs, shortest paths	2400	x1447
1874A	Jellyfish and Game brute force, games, greedy, implementation	1200	x19793
1873H	Mad City dfs and similar, dsu, games, graphs, shortest paths, trees	1700	x9878
1873G	ABBC or BACB constructive algorithms, greedy	1500	x17498
1873F	Money Trees binary search, greedy, math, two pointers	1300	x20631
1873E	Building an Aquarium binary search, sortings	1100	x48394
1873D	1D Eraser greedy, implementation, two pointers	800	x44765
1873C	Target Practice implementation, math	800	x78239
1873B	Good Kid brute force, greedy, math	800	x65185
1873A	Short Sort brute force, implementation	800	x74611
1872G	Replace With Product brute force, greedy, math	2000	x5189
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x7761
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x23216
1872D	Plus Minus Permutation math	1200	x42907
1872C	Non-coprime Split math, number theory	1100	x26939
1872B	The Corridor or There and Back Again greedy, implementation	900	x30864
1872A	Two Vessels brute force, greedy, math	800	x43909
1870H	Standard Graph Problem data structures, graphs, greedy, trees	3500	x129
1870G	MEXanization data structures	3300	x437
1870F	Lazy Numbers binary search, math	2900	x584
1870E	Another MEX Problem bitmasks, brute force, dp, shortest paths	2300	x3119
1870D	Prefix Purchase greedy, implementation, sortings	1800	x8230

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