Problemset - Codeforces

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Codeforces Round 950 (Div. 3)
27:21:03
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Problems

#	Name
1930D2	Sum over all Substrings (Hard Version) bitmasks, divide and conquer, dp, dsu, greedy, implementation, strings	2100	x2401
1930D1	Sum over all Substrings (Easy Version) brute force, dp, greedy, strings	1800	x3747
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6504
1930A	Maximise The Score greedy, sortings	800	x17398
1929E	Sasha and the Happy Tree Cutting bitmasks, brute force, dfs and similar, dp, graphs, greedy, math, trees	2300	x1541
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x13523
1929B	Sasha and the Drawing constructive algorithms, greedy, math	800	x24049
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x29368
1928E	Modular Sequence brute force, constructive algorithms, dp, graphs, greedy, math, number theory	2300	x1579
1928D	Lonely Mountain Dungeons brute force, data structures, greedy, math, ternary search	1900	x3827
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x15624
1927G	Paint Charges data structures, dp, greedy, math	2300	x1517
1927F	Microcycle data structures, dfs and similar, dsu, graphs, greedy, implementation, sortings, trees	1900	x3883
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x18713
1927C	Choose the Different Ones! brute force, greedy, math	1000	x25961
1927B	Following the String constructive algorithms, greedy, strings	900	x30803
1927A	Make it White greedy, strings	800	x40209
1926G	Vlad and Trouble at MIT dfs and similar, dp, flows, graphs, greedy, implementation, trees	1900	x3052
1926D	Vlad and Division bitmasks, greedy	1300	x13944
1925B	A Balanced Problemset? brute force, greedy, math, number theory	1200	x18522
1925A	We Got Everything Covered! constructive algorithms, greedy, strings	800	x27437
1924A	Did We Get Everything Covered? constructive algorithms, dp, greedy, shortest paths, strings	1500	x12578
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x338
1923D	Slimes binary search, constructive algorithms, data structures, greedy, two pointers	1800	x6054
1923C	Find B constructive algorithms, greedy	1400	x13482
1923B	Monsters Attack! dp, greedy, implementation	1100	x16446
1923A	Moving Chips greedy, implementation	800	x23499
1922E	Increasing Subsequences bitmasks, constructive algorithms, divide and conquer, greedy, math	1800	x7161
1922C	Closest Cities greedy, implementation, math	1300	x17104
1921E	Eat the Chip brute force, games, greedy, math	1600	x9041
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x20260
1921C	Sending Messages greedy, math	900	x27623
1921B	Arranging Cats greedy, implementation	800	x32246
1921A	Square greedy, math	800	x40416
1920B	Summation Game games, greedy, math, sortings	1100	x19493
1920A	Satisfying Constraints brute force, greedy, math	800	x26685
1919F2	Wine Factory (Hard Version) data structures, dp, flows, greedy, matrices	2800	x750
1919F1	Wine Factory (Easy Version) data structures, greedy	2300	x2046
1919D	01 Tree constructive algorithms, data structures, dsu, greedy, sortings, trees	2100	x3635
1919C	Grouping Increases data structures, dp, greedy	1400	x17092
1919B	Plus-Minus Split greedy	800	x28952
1918F	Caterpillar on a Tree dfs and similar, graphs, greedy, implementation, sortings, trees	2500	x793
1918C	XOR-distance bitmasks, greedy, implementation, math	1400	x12783
1918B	Minimize Inversions constructive algorithms, data structures, greedy, implementation, sortings	900	x22374
1918A	Brick Wall constructive algorithms, greedy, implementation, math	800	x28972
1917C	Watering an Array brute force, greedy, implementation, math	1600	x9534
1916F	Group Division constructive algorithms, dfs and similar, graphs, greedy	2900	x412
1916E	Happy Life in University data structures, dfs and similar, greedy, trees	2300	x2116
1916C	Training Before the Olympiad constructive algorithms, games, greedy, implementation, math	1200	x16868
1915G	Bicycles graphs, greedy, implementation, shortest paths, sortings	1800	x5528
1915E	Romantic Glasses data structures, greedy, math	1300	x18920
1915D	Unnatural Language Processing greedy, implementation, strings	900	x28087
1914F	Programming Competition dfs and similar, dp, graph matchings, greedy, trees	1900	x3746
1914E2	Game with Marbles (Hard Version) games, greedy, sortings	1400	x11401
1914E1	Game with Marbles (Easy Version) brute force, games, greedy, sortings	1400	x11293
1914D	Three Activities brute force, dp, greedy, implementation, sortings	1200	x18654
1914C	Quests greedy, math	1100	x21233
1913C	Game with Multiset binary search, bitmasks, brute force, greedy	1300	x13914
1910G	Pool Records *special problem, greedy	2700	x54
1910F	Build Railway Stations *special problem, greedy, trees	2000	x165
1910D	Remove and Add *special problem, greedy	1800	x319
1910B	Security Guard *special problem, greedy	1600	x612
1909D	Split Plus K greedy, math, number theory	1900	x4051
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x10158
1907G	Lights brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	2200	x1778
1907F	Shift and Reverse greedy, sortings	1800	x4468
1907C	Removal of Unattractive Pairs constructive algorithms, greedy, math, strings	1200	x18706
1906M	Triangle Construction greedy, math	1700	x2371
1905C	Largest Subsequence greedy, strings	1400	x11174
1905B	Begginer's Zelda greedy, trees	1100	x15433
1904D2	Set To Max (Hard Version) constructive algorithms, data structures, divide and conquer, greedy, implementation, sortings	1800	x3897
1904D1	Set To Max (Easy Version) brute force, constructive algorithms, greedy	1600	x5852
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x13226
1903E	Geo Game greedy, interactive, math	2000	x1824
1903D2	Maximum And Queries (hard version) bitmasks, divide and conquer, dp, greedy	2500	x717
1903D1	Maximum And Queries (easy version) binary search, bitmasks, brute force, greedy	1700	x5188
1903C	Theofanis' Nightmare constructive algorithms, greedy	1400	x10575
1903B	StORage room bitmasks, brute force, constructive algorithms, greedy	1200	x11588
1903A	Halloumi Boxes brute force, greedy, sortings	800	x25370
1902C	Insert and Equalize brute force, constructive algorithms, greedy, math, number theory	1300	x12499
1902B	Getting Points binary search, brute force, greedy	1100	x13488
1901E	Compressed Tree dfs and similar, dp, graphs, greedy, sortings, trees	2200	x1398
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6289
1901C	Add, Divide and Floor constructive algorithms, greedy, math	1400	x10860
1901B	Chip and Ribbon greedy, math	1100	x14170
1901A	Line Trip greedy, math	800	x26149
1900A	Cover in Water constructive algorithms, greedy, implementation, strings	800	x22697
1899F	Alex's whims constructive algorithms, graphs, greedy, shortest paths, trees	1600	x6835
1899E	Queue Sort greedy, implementation, sortings	1300	x14144
1899C	Yarik and Array dp, greedy, two pointers	1100	x18538
1898E	Sofia and Strings data structures, greedy, sortings, strings, two pointers	2200	x2076
1898D	Absolute Beauty greedy, math	1900	x4820
1898B	Milena and Admirer greedy, math	1500	x10657
1896F	Bracket Xoring constructive algorithms, greedy, implementation, math	2600	x661
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x8787
1896B	AB Flipping greedy, strings, two pointers	900	x13643
1895G	Two Characters, Two Colors binary search, data structures, dp, flows, greedy	3100	x178
1895E	Infinite Card Game binary search, brute force, data structures, dfs and similar, dp, dsu, games, graphs, greedy, sortings, two pointers	2300	x1470
1895B	Points and Minimum Distance greedy, math, sortings	800	x19764
1893D	Colorful Constructive constructive algorithms, data structures, greedy	2600	x829