Problemset - Codeforces

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Codeforces Round 986 (Div. 2)
09:45:35
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Problems

#	Name
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x21783
1927C	Choose the Different Ones! brute force, greedy, math	1000	x28130
1927B	Following the String constructive algorithms, greedy, strings	900	x33385
1927A	Make it White greedy, strings	800	x43746
1926G	Vlad and Trouble at MIT dfs and similar, dp, flows, graphs, greedy, implementation, trees	1900	x3600
1926D	Vlad and Division bitmasks, greedy	1300	x15652
1925B	A Balanced Problemset? brute force, greedy, math, number theory	1200	x20226
1925A	We Got Everything Covered! constructive algorithms, greedy, strings	800	x28958
1924A	Did We Get Everything Covered? constructive algorithms, dp, greedy, shortest paths, strings	1500	x14075
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x378
1923D	Slimes binary search, constructive algorithms, data structures, greedy, two pointers	1800	x6863
1923C	Find B constructive algorithms, greedy	1400	x15249
1923B	Monsters Attack! dp, greedy, implementation	1100	x17789
1923A	Moving Chips greedy, implementation	800	x24766
1922E	Increasing Subsequences bitmasks, constructive algorithms, divide and conquer, greedy, math	1800	x7789
1922C	Closest Cities greedy, implementation, math	1300	x18659
1921E	Eat the Chip brute force, games, greedy, math	1600	x9875
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x21763
1921C	Sending Messages greedy, math	900	x29509
1921B	Arranging Cats greedy, implementation	800	x33917
1921A	Square greedy, math	800	x43628
1920B	Summation Game games, greedy, math, sortings	1100	x21049
1920A	Satisfying Constraints brute force, greedy, math	800	x27949
1919F2	Wine Factory (Hard Version) data structures, dp, flows, greedy, matrices	2800	x865
1919F1	Wine Factory (Easy Version) data structures, greedy	2300	x2204
1919D	01 Tree constructive algorithms, data structures, dsu, greedy, sortings, trees	2100	x3912
1919C	Grouping Increases data structures, dp, greedy	1400	x19285
1919B	Plus-Minus Split greedy	800	x29808
1918F	Caterpillar on a Tree dfs and similar, graphs, greedy, implementation, sortings, trees	2500	x876
1918C	XOR-distance bitmasks, greedy, implementation, math	1400	x14157
1918B	Minimize Inversions constructive algorithms, data structures, greedy, implementation, sortings	900	x23931
1918A	Brick Wall constructive algorithms, greedy, implementation, math	800	x30346
1917C	Watering an Array brute force, greedy, implementation, math	1600	x10565
1916F	Group Division constructive algorithms, dfs and similar, graphs, greedy	2900	x499
1916E	Happy Life in University data structures, dfs and similar, greedy, trees	2300	x2270
1916C	Training Before the Olympiad constructive algorithms, games, greedy, implementation, math	1200	x17939
1915G	Bicycles graphs, greedy, implementation, shortest paths, sortings	1800	x6499
1915E	Romantic Glasses data structures, greedy, math	1300	x22166
1915D	Unnatural Language Processing greedy, implementation, strings	900	x30522
1914F	Programming Competition dfs and similar, dp, graph matchings, greedy, trees	1900	x4166
1914E2	Game with Marbles (Hard Version) games, greedy, sortings	1400	x12537
1914E1	Game with Marbles (Easy Version) brute force, games, greedy, sortings	1400	x12334
1914D	Three Activities brute force, dp, greedy, implementation, sortings	1200	x22218
1914C	Quests greedy, math	1100	x24523
1913C	Game with Multiset binary search, bitmasks, brute force, greedy	1300	x15165
1910G	Pool Records *special problem, greedy	2700	x59
1910F	Build Railway Stations *special problem, greedy, trees	2000	x178
1910D	Remove and Add *special problem, greedy	1800	x356
1910B	Security Guard *special problem, greedy	1600	x679
1909D	Split Plus K greedy, math, number theory	1900	x4472
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x11294
1907G	Lights brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	2200	x1971
1907F	Shift and Reverse greedy, sortings	1800	x4936
1907C	Removal of Unattractive Pairs constructive algorithms, greedy, math, strings	1200	x20377
1906M	Triangle Construction greedy, math	1700	x2753
1905C	Largest Subsequence greedy, strings	1400	x12420
1905B	Begginer's Zelda greedy, trees	1100	x16541
1904D2	Set To Max (Hard Version) constructive algorithms, data structures, divide and conquer, greedy, implementation, sortings	1800	x4492
1904D1	Set To Max (Easy Version) brute force, constructive algorithms, greedy	1600	x6853
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x15739
1903E	Geo Game greedy, interactive, math	2000	x2061
1903D2	Maximum And Queries (hard version) bitmasks, divide and conquer, dp, greedy	2500	x788
1903D1	Maximum And Queries (easy version) binary search, bitmasks, brute force, greedy	1700	x5790
1903C	Theofanis' Nightmare constructive algorithms, greedy	1400	x12056
1903B	StORage room bitmasks, brute force, constructive algorithms, greedy	1200	x12916
1903A	Halloumi Boxes brute force, greedy, sortings	800	x33474
1902C	Insert and Equalize brute force, constructive algorithms, greedy, math, number theory	1300	x13946
1902B	Getting Points binary search, brute force, greedy	1100	x14561
1901E	Compressed Tree dfs and similar, dp, graphs, greedy, sortings, trees	2200	x1563
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x7085
1901C	Add, Divide and Floor constructive algorithms, greedy, math	1400	x12089
1901B	Chip and Ribbon greedy, math	1100	x15093
1901A	Line Trip greedy, math	800	x33404
1900A	Cover in Water constructive algorithms, greedy, implementation, strings	800	x28853
1899F	Alex's whims constructive algorithms, graphs, greedy, shortest paths, trees	1600	x7750
1899E	Queue Sort greedy, implementation, sortings	1300	x15688
1899C	Yarik and Array dp, greedy, two pointers	1100	x21573
1898E	Sofia and Strings data structures, greedy, sortings, strings, two pointers	2200	x2302
1898D	Absolute Beauty greedy, math	1900	x5309
1898B	Milena and Admirer greedy, math	1500	x12078
1896F	Bracket Xoring constructive algorithms, greedy, implementation, math	2600	x729
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x9723
1896B	AB Flipping greedy, strings, two pointers	900	x14973
1895G	Two Characters, Two Colors binary search, data structures, dp, flows, greedy	3100	x195
1895E	Infinite Card Game binary search, brute force, data structures, dfs and similar, dp, dsu, games, graphs, greedy, sortings, two pointers	2300	x1582
1895B	Points and Minimum Distance greedy, math, sortings	800	x20524
1893D	Colorful Constructive constructive algorithms, data structures, greedy	2600	x915
1893C	Freedom of Choice brute force, greedy, implementation	2000	x2732
1893B	Neutral Tonality constructive algorithms, greedy, sortings, two pointers	1700	x9002
1891E	Brukhovich and Exams brute force, greedy, implementation, math, sortings	2500	x841
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x13523
1889F	Doremy's Average Tree data structures, dp, greedy, trees	3500	x82
1889C1	Doremy's Drying Plan (Easy Version) brute force, data structures, dp, greedy, sortings	2000	x3313
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x7459
1889A	Qingshan Loves Strings 2 constructive algorithms, greedy, implementation	1300	x13329
1887C	Minimum Array binary search, brute force, constructive algorithms, data structures, greedy, hashing, two pointers	2400	x1758
1886F	Diamond Theft data structures, greedy	3300	x191
1886E	I Wanna be the Team Leader bitmasks, constructive algorithms, dp, greedy, math, sortings, two pointers	2400	x1487
1884E	Hard Design greedy, implementation, math	2800	x321
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x6175