Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
21:08:15
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Before contest
Codeforces Round 941 (Div. 2)
21:08:15
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Problems

#	Name
1898A	Milica and String brute force, implementation, strings	800	x14974
1896H2	Cyclic Hamming (Hard Version) brute force, dp, fft, math, number theory	3500	x85
1896H1	Cyclic Hamming (Easy Version) brute force, divide and conquer, dp, fft, math, number theory	3400	x77
1896G	Pepe Racing constructive algorithms, implementation, interactive, sortings	3200	x296
1896F	Bracket Xoring constructive algorithms, greedy, implementation, math	2600	x642
1896E	Permutation Sorting data structures, sortings	2100	x1990
1896D	Ones and Twos binary search, data structures, divide and conquer, math, two pointers	1700	x5137
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x8545
1896B	AB Flipping greedy, strings, two pointers	900	x13274
1896A	Jagged Swaps sortings	800	x18328
1895G	Two Characters, Two Colors binary search, data structures, dp, flows, greedy	3100	x168
1895F	Fancy Arrays combinatorics, dp, math, matrices	2600	x622
1895E	Infinite Card Game binary search, brute force, data structures, dfs and similar, dp, dsu, games, graphs, greedy, sortings, two pointers	2300	x1449
1895D	XOR Construction bitmasks, constructive algorithms, data structures, math, string suffix structures, trees	1900	x5529
1895C	Torn Lucky Ticket brute force, dp, hashing, implementation, math	1400	x10035
1895B	Points and Minimum Distance greedy, math, sortings	800	x19583
1895A	Treasure Chest math	800	x23328
1894B	Two Out of Three constructive algorithms	1000	x14633
1894A	Secret Sport implementation, strings	800	x18024
1893E	Cacti Symphony combinatorics, dfs and similar, dp, graphs	3500	x176
1893D	Colorful Constructive constructive algorithms, data structures, greedy	2600	x811
1893C	Freedom of Choice brute force, greedy, implementation	2000	x2413
1893B	Neutral Tonality constructive algorithms, greedy, sortings, two pointers	1700	x8022
1893A	Anonymous Informant brute force, dfs and similar, graphs, implementation	1400	x11179
1891F	A Growing Tree data structures, dfs and similar, trees	2000	x3345
1891E	Brukhovich and Exams brute force, greedy, implementation, math, sortings	2500	x769
1891D	Suspicious logarithms binary search, brute force, math	1900	x3683
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x11166
1891B	Deja Vu brute force, math, sortings	1100	x15610
1891A	Sorting with Twos constructive algorithms, sortings	800	x18305
1890B	Qingshan Loves Strings constructive algorithms, implementation	800	x16593
1890A	Doremy's Paint 3 constructive algorithms	800	x21129
1889F	Doremy's Average Tree data structures, dp, greedy, trees	3500	x68
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	x510
1889C2	Doremy's Drying Plan (Hard Version) data structures, dp	2600	x874
1889C1	Doremy's Drying Plan (Easy Version) brute force, data structures, dp, greedy, sortings	2000	x2985
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x6692
1889A	Qingshan Loves Strings 2 constructive algorithms, greedy, implementation	1300	x11939
1887F	Minimum Segments constructive algorithms	3400	x112
1887E	Good Colorings binary search, constructive algorithms, graphs, interactive	3100	x329
1887D	Split binary search, data structures, divide and conquer, dsu, math, trees, two pointers	2700	x802
1887C	Minimum Array binary search, brute force, constructive algorithms, data structures, greedy, hashing, two pointers	2400	x1560
1887B	Time Travel binary search, graphs, shortest paths	1900	x2657
1886F	Diamond Theft data structures, greedy	3300	x158
1886E	I Wanna be the Team Leader bitmasks, constructive algorithms, dp, greedy, math, sortings, two pointers	2400	x1320
1886D	Monocarp and the Set combinatorics, data structures, math	2100	x3306
1886C	Decreasing String implementation, strings	1600	x10133
1886B	Fear of the Dark binary search, geometry, math	1200	x15076
1886A	Sum of Three brute force, constructive algorithms, math	800	x24431
1885A	Deterministic Scheduling for Extended Reality over 5G and Beyond *special problem
1884E	Hard Design greedy, implementation, math	2800	x257
1884D	Counting Rhyme dp, math, number theory	2100	x2780
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5390
1884B	Haunted House binary search, greedy, math, two pointers	1100	x11610
1884A	Simple Design brute force, greedy, math	800	x16389
1883G2	Dances (Hard Version) binary search, greedy, sortings, two pointers	1900	x4838
1883G1	Dances (Easy version) binary search, greedy, two pointers	1400	x9064
1883F	You Are So Beautiful data structures	1400	x8140
1883E	Look Back bitmasks, greedy	1700	x6969
1883D	In Love data structures, greedy	1500	x9860
1883C	Raspberries dp, math	1000	x22397
1883B	Chemistry strings	900	x26450
1883A	Morning math	800	x23696
1882E2	Two Permutations (Hard Version) constructive algorithms	3100	x280
1882E1	Two Permutations (Easy Version) brute force, constructive algorithms, greedy, number theory	2400	x950
1882D	Tree XOR bitmasks, dfs and similar, dp, greedy, trees	1900	x4936
1882C	Card Game brute force, greedy	1500	x11231
1882B	Sets and Union bitmasks, brute force, constructive algorithms, greedy	1300	x14199
1882A	Increasing Sequence greedy	800	x24169
1881G	Anya and the Mysterious String binary search, data structures	2000	x2146
1881F	Minimum Maximum Distance dfs and similar, dp, graphs, shortest paths, trees	1700	x5945
1881E	Block Sequence dp	1500	x11512
1881D	Divide and Equalize math, number theory	1300	x14222
1881C	Perfect Square brute force, implementation	1200	x15752
1881B	Three Threadlets math	900	x23492
1881A	Don't Try to Count brute force, strings	800	x27086
1879F	Last Man Standing brute force, data structures, number theory	2800	x470
1879E	Interactive Game with Coloring brute force, constructive algorithms, dfs and similar, graphs, implementation, interactive, trees	2400	x1179
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x6520
1879C	Make it Alternating combinatorics, dp, greedy	1300	x14802
1879B	Chips on the Board constructive algorithms, greedy	900	x21050
1879A	Rigged! greedy	800	x21979
1878G	wxhtzdy ORO Tree binary search, bitmasks, brute force, data structures, dfs and similar, implementation, trees	2300	x1085
1878F	Vasilije Loves Number Theory brute force, math, number theory	1900	x3684
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x10919
1878D	Reverse Madness data structures, greedy	1600	x7529
1878C	Vasilije in Cacak math	900	x28114
1878B	Aleksa and Stack constructive algorithms, math	800	x29711
1878A	How Much Does Daytona Cost? greedy	800	x38370
1877C	Joyboard math, number theory	1200	x9995
1877A	Goals of Victory math	800	x18467
1876G	Clubstep binary search, brute force, data structures, greedy, trees	3500	x116
1876F	Indefinite Clownfish binary search, graphs	3500	x104
1876E	Ball-Stackable constructive algorithms, data structures, dp, trees	3300	x215
1876D	Lexichromatography combinatorics, dfs and similar, dsu, graphs, two pointers	2500	x805
1876C	Autosynthesis constructive algorithms, dfs and similar, graphs, greedy, sortings	2100	x2124
1876B	Effects of Anti Pimples combinatorics, number theory, sortings	1500	x7444
1876A	Helmets in Night Light greedy, sortings	1000	x14632
1875D	Jellyfish and Mex dp	1600	x7497