Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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Problems

#	Name
1920B	Summation Game games, greedy, math, sortings	1100	x19101
1920A	Satisfying Constraints brute force, greedy, math	800	x26347
1919F2	Wine Factory (Hard Version) data structures, dp, flows, greedy, matrices	2800	x729
1919F1	Wine Factory (Easy Version) data structures, greedy	2300	x2005
1919D	01 Tree constructive algorithms, data structures, dsu, greedy, sortings, trees	2100	x3567
1919C	Grouping Increases data structures, dp, greedy	1400	x16660
1919B	Plus-Minus Split greedy	800	x28703
1918F	Caterpillar on a Tree dfs and similar, graphs, greedy, implementation, sortings, trees	2500	x762
1918C	XOR-distance bitmasks, greedy, implementation, math	1400	x12386
1918B	Minimize Inversions constructive algorithms, data structures, greedy, implementation, sortings	900	x21917
1918A	Brick Wall constructive algorithms, greedy, implementation, math	800	x28571
1917C	Watering an Array brute force, greedy, implementation, math	1600	x9291
1916F	Group Division constructive algorithms, dfs and similar, graphs, greedy	2900	x401
1916E	Happy Life in University data structures, dfs and similar, greedy, trees	2300	x2083
1916C	Training Before the Olympiad constructive algorithms, games, greedy, implementation, math	1200	x16552
1915G	Bicycles graphs, greedy, implementation, shortest paths, sortings	1800	x5354
1915E	Romantic Glasses data structures, greedy, math	1300	x18200
1915D	Unnatural Language Processing greedy, implementation, strings	900	x27355
1914F	Programming Competition dfs and similar, dp, graph matchings, greedy, trees	1900	x3630
1914E2	Game with Marbles (Hard Version) games, greedy, sortings	1400	x11117
1914E1	Game with Marbles (Easy Version) brute force, games, greedy, sortings	1400	x11039
1914D	Three Activities brute force, dp, greedy, implementation, sortings	1200	x17912
1914C	Quests greedy, math	1100	x20490
1913C	Game with Multiset binary search, bitmasks, brute force, greedy	1300	x13494
1910G	Pool Records *special problem, greedy	2700	x49
1910F	Build Railway Stations *special problem, greedy, trees	2000	x154
1910D	Remove and Add *special problem, greedy	1800	x296
1910B	Security Guard *special problem, greedy	1600	x574
1909D	Split Plus K greedy, math, number theory	1900	x3934
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x9856
1907G	Lights brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	2200	x1726
1907F	Shift and Reverse greedy, sortings	1800	x4316
1907C	Removal of Unattractive Pairs constructive algorithms, greedy, math, strings	1200	x18209
1906M	Triangle Construction greedy, math	1700	x2284
1905C	Largest Subsequence greedy, strings	1400	x10926
1905B	Begginer's Zelda greedy, trees	1100	x15137
1904D2	Set To Max (Hard Version) constructive algorithms, data structures, divide and conquer, greedy, implementation, sortings	1800	x3742
1904D1	Set To Max (Easy Version) brute force, constructive algorithms, greedy	1600	x5591
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x12674
1903E	Geo Game greedy, interactive, math	2000	x1776
1903D2	Maximum And Queries (hard version) bitmasks, divide and conquer, dp, greedy	2500	x701
1903D1	Maximum And Queries (easy version) binary search, bitmasks, brute force, greedy	1700	x5013
1903C	Theofanis' Nightmare constructive algorithms, greedy	1400	x10258
1903B	StORage room bitmasks, brute force, constructive algorithms, greedy	1200	x11224
1903A	Halloumi Boxes brute force, greedy, sortings	800	x23536
1902C	Insert and Equalize brute force, constructive algorithms, greedy, math, number theory	1300	x12113
1902B	Getting Points binary search, brute force, greedy	1100	x13218
1901E	Compressed Tree dfs and similar, dp, graphs, greedy, sortings, trees	2200	x1346
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6079
1901C	Add, Divide and Floor constructive algorithms, greedy, math	1400	x10594
1901B	Chip and Ribbon greedy, math	1100	x13905
1901A	Line Trip greedy, math	800	x24717
1900A	Cover in Water constructive algorithms, greedy, implementation, strings	800	x21477
1899F	Alex's whims constructive algorithms, graphs, greedy, shortest paths, trees	1600	x6574
1899E	Queue Sort greedy, implementation, sortings	1300	x13763
1899C	Yarik and Array dp, greedy, two pointers	1100	x17912
1898E	Sofia and Strings data structures, greedy, sortings, strings, two pointers	2200	x2026
1898D	Absolute Beauty greedy, math	1900	x4681
1898B	Milena and Admirer greedy, math	1500	x10377
1896F	Bracket Xoring constructive algorithms, greedy, implementation, math	2600	x639
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x8536
1896B	AB Flipping greedy, strings, two pointers	900	x13259
1895G	Two Characters, Two Colors binary search, data structures, dp, flows, greedy	3100	x168
1895E	Infinite Card Game binary search, brute force, data structures, dfs and similar, dp, dsu, games, graphs, greedy, sortings, two pointers	2300	x1448
1895B	Points and Minimum Distance greedy, math, sortings	800	x19573
1893D	Colorful Constructive constructive algorithms, data structures, greedy	2600	x810
1893C	Freedom of Choice brute force, greedy, implementation	2000	x2409
1893B	Neutral Tonality constructive algorithms, greedy, sortings, two pointers	1700	x8013
1891E	Brukhovich and Exams brute force, greedy, implementation, math, sortings	2500	x769
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x11150
1889F	Doremy's Average Tree data structures, dp, greedy, trees	3500	x68
1889C1	Doremy's Drying Plan (Easy Version) brute force, data structures, dp, greedy, sortings	2000	x2974
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x6671
1889A	Qingshan Loves Strings 2 constructive algorithms, greedy, implementation	1300	x11908
1887C	Minimum Array binary search, brute force, constructive algorithms, data structures, greedy, hashing, two pointers	2400	x1559
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
1884E	Hard Design greedy, implementation, math	2800	x257
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5381
1884B	Haunted House binary search, greedy, math, two pointers	1100	x11590
1884A	Simple Design brute force, greedy, math	800	x16380
1883G2	Dances (Hard Version) binary search, greedy, sortings, two pointers	1900	x4832
1883G1	Dances (Easy version) binary search, greedy, two pointers	1400	x9035
1883E	Look Back bitmasks, greedy	1700	x6948
1883D	In Love data structures, greedy	1500	x9847
1882E1	Two Permutations (Easy Version) brute force, constructive algorithms, greedy, number theory	2400	x948
1882D	Tree XOR bitmasks, dfs and similar, dp, greedy, trees	1900	x4933
1882C	Card Game brute force, greedy	1500	x11216
1882B	Sets and Union bitmasks, brute force, constructive algorithms, greedy	1300	x14179
1882A	Increasing Sequence greedy	800	x24157
1879C	Make it Alternating combinatorics, dp, greedy	1300	x14773
1879B	Chips on the Board constructive algorithms, greedy	900	x21033
1879A	Rigged! greedy	800	x21970
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x10900
1878D	Reverse Madness data structures, greedy	1600	x7521
1878A	How Much Does Daytona Cost? greedy	800	x38317
1876G	Clubstep binary search, brute force, data structures, greedy, trees	3500	x115
1876C	Autosynthesis constructive algorithms, dfs and similar, graphs, greedy, sortings	2100	x2122
1876A	Helmets in Night Light greedy, sortings	1000	x14599
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x10716