Problemset - Codeforces

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Problems

#	Name
1891E	Brukhovich and Exams brute force, greedy, implementation, math, sortings	2500	x854
1891D	Suspicious logarithms binary search, brute force, math	1900	x4015
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x13612
1891B	Deja Vu brute force, math, sortings	1100	x18443
1891A	Sorting with Twos constructive algorithms, sortings	800	x19343
1890B	Qingshan Loves Strings constructive algorithms, implementation	800	x17613
1890A	Doremy's Paint 3 constructive algorithms	800	x27861
1889F	Doremy's Average Tree data structures, dp, greedy, trees	3500	x82
1889E	Doremy's Swapping Trees dfs and similar, graphs, trees	3500	x112
1889D	Game of Stacks brute force, dfs and similar, graphs, implementation, trees	3000	x625
1889C2	Doremy's Drying Plan (Hard Version) data structures, dp	2600	x1023
1889C1	Doremy's Drying Plan (Easy Version) brute force, data structures, dp, greedy, sortings	2000	x3341
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x7479
1889A	Qingshan Loves Strings 2 constructive algorithms, greedy, implementation	1300	x13367
1887F	Minimum Segments constructive algorithms	3400	x175
1887E	Good Colorings binary search, constructive algorithms, graphs, interactive	3100	x385
1887D	Split binary search, data structures, divide and conquer, dsu, math, trees, two pointers	2700	x983
1887C	Minimum Array binary search, brute force, constructive algorithms, data structures, greedy, hashing, two pointers	2400	x1782
1887B	Time Travel binary search, graphs, shortest paths	1900	x3074
1886F	Diamond Theft data structures, greedy	3300	x192
1886E	I Wanna be the Team Leader bitmasks, constructive algorithms, dp, greedy, math, sortings, two pointers	2400	x1504
1886D	Monocarp and the Set combinatorics, data structures, math	2100	x3633
1886C	Decreasing String implementation, strings	1600	x11729
1886B	Fear of the Dark binary search, geometry, math	1200	x16343
1886A	Sum of Three brute force, constructive algorithms, math	800	x26013
1884E	Hard Design greedy, implementation, math	2800	x322
1884D	Counting Rhyme dp, math, number theory	2100	x3294
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x6200
1884B	Haunted House binary search, greedy, math, two pointers	1100	x12815
1884A	Simple Design brute force, greedy, math	800	x17581
1883G2	Dances (Hard Version) binary search, greedy, sortings, two pointers	1900	x5479
1883G1	Dances (Easy version) binary search, greedy, two pointers	1400	x11356
1883F	You Are So Beautiful data structures	1400	x9698
1883E	Look Back bitmasks, greedy	1700	x8239
1883D	In Love data structures, greedy	1500	x11716
1883C	Raspberries dp, math	1000	x28461
1883B	Chemistry strings	900	x33413
1883A	Morning math	800	x25911
1882E2	Two Permutations (Hard Version) constructive algorithms	3100	x299
1882E1	Two Permutations (Easy Version) brute force, constructive algorithms, greedy, number theory	2400	x1037
1882D	Tree XOR bitmasks, dfs and similar, dp, greedy, trees	1900	x5594
1882C	Card Game brute force, greedy	1500	x12533
1882B	Sets and Union bitmasks, brute force, constructive algorithms, greedy	1300	x15613
1882A	Increasing Sequence greedy	800	x25518
1881G	Anya and the Mysterious String binary search, data structures	2000	x2422
1881F	Minimum Maximum Distance dfs and similar, dp, graphs, shortest paths, trees	1700	x7118
1881E	Block Sequence dp	1500	x14677
1881D	Divide and Equalize math, number theory	1300	x17772
1881C	Perfect Square brute force, implementation	1200	x17248
1881B	Three Threadlets math	900	x25722
1881A	Don't Try to Count brute force, strings	800	x32982
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	x1277
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x7571
1879C	Make it Alternating combinatorics, dp, greedy	1300	x17385
1879B	Chips on the Board constructive algorithms, greedy	900	x22769
1879A	Rigged! greedy	800	x23247
1878G	wxhtzdy ORO Tree binary search, bitmasks, brute force, data structures, dfs and similar, implementation, trees	2300	x1201
1878F	Vasilije Loves Number Theory brute force, math, number theory	1900	x4172
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x13182
1878D	Reverse Madness data structures, greedy	1600	x8500
1878C	Vasilije in Cacak math	900	x33999
1878B	Aleksa and Stack constructive algorithms, math	800	x31649
1878A	How Much Does Daytona Cost? greedy	800	x45860
1877C	Joyboard math, number theory	1200	x11163
1877A	Goals of Victory math	800	x24512
1876G	Clubstep binary search, brute force, data structures, greedy, trees	3500	x141
1876F	Indefinite Clownfish binary search, graphs	3500	x143
1876E	Ball-Stackable constructive algorithms, data structures, dp, trees	3300	x272
1876D	Lexichromatography combinatorics, dfs and similar, dsu, graphs, two pointers	2500	x892
1876C	Autosynthesis constructive algorithms, dfs and similar, graphs, greedy, sortings	2100	x2326
1876B	Effects of Anti Pimples combinatorics, number theory, sortings	1500	x8447
1876A	Helmets in Night Light greedy, sortings	1000	x18541
1875D	Jellyfish and Mex dp	1600	x8898
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x11907
1875A	Jellyfish and Undertale brute force, greedy	900	x26475
1874G	Jellyfish and Inscryption dp	3500	x88
1874F	Jellyfish and OEIS dp	3500	x217
1874E	Jellyfish and Hack dp, math	3000	x322
1874D	Jellyfish and Miku divide and conquer, dp, math, probabilities	2800	x743
1874C	Jellyfish and EVA dp, graphs, greedy, math, probabilities	2300	x1746
1874B	Jellyfish and Math bitmasks, brute force, dfs and similar, dp, graphs, shortest paths	2400	x1161
1874A	Jellyfish and Game brute force, games, greedy, implementation	1200	x17260
1873H	Mad City dfs and similar, dsu, games, graphs, shortest paths, trees	1700	x7564
1873G	ABBC or BACB constructive algorithms, greedy	1500	x13588
1873F	Money Trees binary search, greedy, math, two pointers	1300	x15881
1873E	Building an Aquarium binary search, sortings	1100	x27548
1873D	1D Eraser greedy, implementation, two pointers	800	x35757
1873C	Target Practice implementation, math	800	x41977
1873B	Good Kid brute force, greedy, math	800	x49824
1873A	Short Sort brute force, implementation	800	x55504
1872G	Replace With Product brute force, greedy, math	2000	x4347
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x6450
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x13994
1872D	Plus Minus Permutation math	1200	x24645
1872C	Non-coprime Split math, number theory	1100	x23662
1872B	The Corridor or There and Back Again greedy, implementation	900	x28121
1872A	Two Vessels brute force, greedy, math	800	x39482
1870H	Standard Graph Problem data structures, graphs, greedy, trees	3500	x87
1870G	MEXanization data structures	3300	x219