Problemset - Codeforces

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Codeforces Round 940 (Div. 2) and CodeCraft-23
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Problems

#	Name
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x8507
1896B	AB Flipping greedy, strings, two pointers	900	x13207
1896A	Jagged Swaps sortings	800	x18134
1895G	Two Characters, Two Colors binary search, data structures, dp, flows, greedy	3100	x167
1895F	Fancy Arrays combinatorics, dp, math, matrices	2600	x614
1895E	Infinite Card Game binary search, brute force, data structures, dfs and similar, dp, dsu, games, graphs, greedy, sortings, two pointers	2300	x1438
1895D	XOR Construction bitmasks, constructive algorithms, data structures, math, string suffix structures, trees	1900	x5497
1895C	Torn Lucky Ticket brute force, dp, hashing, implementation, math	1400	x9977
1895B	Points and Minimum Distance greedy, math, sortings	800	x19545
1895A	Treasure Chest math	800	x23271
1894B	Two Out of Three constructive algorithms	1000	x14553
1894A	Secret Sport implementation, strings	800	x17935
1893E	Cacti Symphony combinatorics, dfs and similar, dp, graphs	3500	x161
1893D	Colorful Constructive constructive algorithms, data structures, greedy	2600	x803
1893C	Freedom of Choice brute force, greedy, implementation	2000	x2398
1893B	Neutral Tonality constructive algorithms, greedy, sortings, two pointers	1700	x7989
1893A	Anonymous Informant brute force, dfs and similar, graphs, implementation	1400	x11123
1891F	A Growing Tree data structures, dfs and similar, trees	2000	x3329
1891E	Brukhovich and Exams brute force, greedy, implementation, math, sortings	2500	x767
1891D	Suspicious logarithms binary search, brute force, math	1900	x3676
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x11079
1891B	Deja Vu brute force, math, sortings	1100	x15512
1891A	Sorting with Twos constructive algorithms, sortings	800	x18264
1890B	Qingshan Loves Strings constructive algorithms, implementation	800	x16543
1890A	Doremy's Paint 3 constructive algorithms	800	x20949
1889F	Doremy's Average Tree data structures, dp, greedy, trees	3500	x67
1889E	Doremy's Swapping Trees dfs and similar, graphs, trees	3500	x84
1889D	Game of Stacks brute force, dfs and similar, graphs, implementation, trees	3000	x505
1889C2	Doremy's Drying Plan (Hard Version) data structures, dp	2600	x863
1889C1	Doremy's Drying Plan (Easy Version) brute force, data structures, dp, greedy, sortings	2000	x2951
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x6641
1889A	Qingshan Loves Strings 2 constructive algorithms, greedy, implementation	1300	x11877
1887F	Minimum Segments constructive algorithms	3400	x111
1887E	Good Colorings binary search, constructive algorithms, graphs, interactive	3100	x327
1887D	Split binary search, data structures, divide and conquer, dsu, math, trees, two pointers	2700	x794
1887C	Minimum Array binary search, brute force, constructive algorithms, data structures, greedy, hashing, two pointers	2400	x1551
1887B	Time Travel binary search, graphs, shortest paths	1900	x2637
1886F	Diamond Theft data structures, greedy	3300	x157
1886E	I Wanna be the Team Leader bitmasks, constructive algorithms, dp, greedy, math, sortings, two pointers	2400	x1309
1886D	Monocarp and the Set combinatorics, data structures, math	2100	x3284
1886C	Decreasing String implementation, strings	1600	x10070
1886B	Fear of the Dark binary search, geometry, math	1200	x15019
1886A	Sum of Three brute force, constructive algorithms, math	800	x24375
1885A	Deterministic Scheduling for Extended Reality over 5G and Beyond *special problem
1884E	Hard Design greedy, implementation, math	2800	x256
1884D	Counting Rhyme dp, math, number theory	2100	x2760
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5354
1884B	Haunted House binary search, greedy, math, two pointers	1100	x11551
1884A	Simple Design brute force, greedy, math	800	x16341
1883G2	Dances (Hard Version) binary search, greedy, sortings, two pointers	1900	x4809
1883G1	Dances (Easy version) binary search, greedy, two pointers	1400	x8978
1883F	You Are So Beautiful data structures	1400	x8085
1883E	Look Back bitmasks, greedy	1700	x6834
1883D	In Love data structures, greedy	1500	x9790
1883C	Raspberries dp, math	1000	x22204
1883B	Chemistry strings	900	x26203
1883A	Morning math	800	x23600
1882E2	Two Permutations (Hard Version) constructive algorithms	3100	x263
1882E1	Two Permutations (Easy Version) brute force, constructive algorithms, greedy, number theory	2400	x943
1882D	Tree XOR bitmasks, dfs and similar, dp, greedy, trees	1900	x4900
1882C	Card Game brute force, greedy	1500	x11159
1882B	Sets and Union bitmasks, brute force, constructive algorithms, greedy	1300	x14148
1882A	Increasing Sequence greedy	800	x24125
1881G	Anya and the Mysterious String binary search, data structures	2000	x2136
1881F	Minimum Maximum Distance dfs and similar, dp, graphs, shortest paths, trees	1700	x5902
1881E	Block Sequence dp	1500	x11409
1881D	Divide and Equalize math, number theory	1300	x14136
1881C	Perfect Square brute force, implementation	1200	x15691
1881B	Three Threadlets math	900	x23392
1881A	Don't Try to Count brute force, strings	800	x26899
1879F	Last Man Standing brute force, data structures, number theory	2800	x465
1879E	Interactive Game with Coloring brute force, constructive algorithms, dfs and similar, graphs, implementation, interactive, trees	2400	x1174
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x6470
1879C	Make it Alternating combinatorics, dp, greedy	1300	x14710
1879B	Chips on the Board constructive algorithms, greedy	900	x20980
1879A	Rigged! greedy	800	x21940
1878G	wxhtzdy ORO Tree binary search, bitmasks, brute force, data structures, dfs and similar, implementation, trees	2300	x1079
1878F	Vasilije Loves Number Theory brute force, math, number theory	1900	x3669
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x10837
1878D	Reverse Madness data structures, greedy	1600	x7452
1878C	Vasilije in Cacak math	900	x27904
1878B	Aleksa and Stack constructive algorithms, math	800	x29635
1878A	How Much Does Daytona Cost? greedy	800	x38121
1877C	Joyboard math, number theory	1200	x9950
1877A	Goals of Victory math	800	x18266
1876G	Clubstep binary search, brute force, data structures, greedy, trees	3500	x114
1876F	Indefinite Clownfish binary search, graphs	3500	x99
1876E	Ball-Stackable constructive algorithms, data structures, dp, trees	3300	x213
1876D	Lexichromatography combinatorics, dfs and similar, dsu, graphs, two pointers	2500	x801
1876C	Autosynthesis constructive algorithms, dfs and similar, graphs, greedy, sortings	2100	x2113
1876B	Effects of Anti Pimples combinatorics, number theory, sortings	1500	x7389
1876A	Helmets in Night Light greedy, sortings	1000	x14502
1875D	Jellyfish and Mex dp	1600	x7432
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x10674
1875A	Jellyfish and Undertale brute force, greedy	900	x21264
1874G	Jellyfish and Inscryption dp	3500	x68
1874F	Jellyfish and OEIS dp	3500	x150
1874E	Jellyfish and Hack dp, math	3000	x259
1874D	Jellyfish and Miku divide and conquer, dp, math, probabilities	2800	x638
1874C	Jellyfish and EVA dp, graphs, greedy, math, probabilities	2300	x1488