Problemset - Codeforces

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Codeforces Round 973 (Div. 2)
13:38:35
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Problems

#	Name
1934D2	XOR Break --- Game Version bitmasks, games, greedy, interactive	2400	x1356
1934D1	XOR Break --- Solo Version bitmasks, constructive algorithms, greedy	2100	x3435
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x6648
1934B	Yet Another Coin Problem brute force, dp, greedy, math	1200	x18523
1934A	Too Min Too Max greedy, math	800	x25095
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x19874
1933A	Turtle Puzzle: Rearrange and Negate greedy, math, sortings	800	x37732
1932D	Card Game greedy, implementation	1400	x11243
1932A	Thorns and Coins dp, greedy, implementation	800	x29128
1931E	Anna and the Valentine's Day Gift games, greedy, math, sortings	1400	x15470
1931C	Make Equal Again brute force, greedy, math	1000	x28650
1931B	Make Equal greedy	800	x31855
1930D2	Sum over all Substrings (Hard Version) bitmasks, divide and conquer, dp, dsu, greedy, implementation, strings	2100	x2581
1930D1	Sum over all Substrings (Easy Version) brute force, dp, greedy, strings	1800	x4044
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6934
1930A	Maximise The Score greedy, sortings	800	x18340
1929E	Sasha and the Happy Tree Cutting bitmasks, brute force, dfs and similar, dp, graphs, greedy, math, trees	2300	x1655
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x14576
1929B	Sasha and the Drawing constructive algorithms, greedy, math	800	x24990
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x31085
1928E	Modular Sequence brute force, constructive algorithms, dp, graphs, greedy, math, number theory	2300	x1680
1928D	Lonely Mountain Dungeons brute force, data structures, greedy, math, ternary search	1900	x4180
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x17063
1927G	Paint Charges data structures, dp, greedy, math	2300	x1637
1927F	Microcycle data structures, dfs and similar, dsu, graphs, greedy, implementation, sortings, trees	1900	x4271
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x20994
1927C	Choose the Different Ones! brute force, greedy, math	1000	x27593
1927B	Following the String constructive algorithms, greedy, strings	900	x32702
1927A	Make it White greedy, strings	800	x42495
1926G	Vlad and Trouble at MIT dfs and similar, dp, flows, graphs, greedy, implementation, trees	1900	x3463
1926D	Vlad and Division bitmasks, greedy	1300	x15258
1925B	A Balanced Problemset? brute force, greedy, math, number theory	1200	x19743
1925A	We Got Everything Covered! constructive algorithms, greedy, strings	800	x28470
1924A	Did We Get Everything Covered? constructive algorithms, dp, greedy, shortest paths, strings	1500	x13709
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x371
1923D	Slimes binary search, constructive algorithms, data structures, greedy, two pointers	1800	x6627
1923C	Find B constructive algorithms, greedy	1400	x14802
1923B	Monsters Attack! dp, greedy, implementation	1100	x17484
1923A	Moving Chips greedy, implementation	800	x24411
1922E	Increasing Subsequences bitmasks, constructive algorithms, divide and conquer, greedy, math	1800	x7583
1922C	Closest Cities greedy, implementation, math	1300	x18232
1921E	Eat the Chip brute force, games, greedy, math	1600	x9664
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x21378
1921C	Sending Messages greedy, math	900	x29024
1921B	Arranging Cats greedy, implementation	800	x33457
1921A	Square greedy, math	800	x42501
1920B	Summation Game games, greedy, math, sortings	1100	x20566
1920A	Satisfying Constraints brute force, greedy, math	800	x27519
1919F2	Wine Factory (Hard Version) data structures, dp, flows, greedy, matrices	2800	x820
1919F1	Wine Factory (Easy Version) data structures, greedy	2300	x2158
1919D	01 Tree constructive algorithms, data structures, dsu, greedy, sortings, trees	2100	x3818
1919C	Grouping Increases data structures, dp, greedy	1400	x18688
1919B	Plus-Minus Split greedy	800	x29593
1918F	Caterpillar on a Tree dfs and similar, graphs, greedy, implementation, sortings, trees	2500	x855
1918C	XOR-distance bitmasks, greedy, implementation, math	1400	x13756
1918B	Minimize Inversions constructive algorithms, data structures, greedy, implementation, sortings	900	x23490
1918A	Brick Wall constructive algorithms, greedy, implementation, math	800	x29967
1917C	Watering an Array brute force, greedy, implementation, math	1600	x10280
1916F	Group Division constructive algorithms, dfs and similar, graphs, greedy	2900	x450
1916E	Happy Life in University data structures, dfs and similar, greedy, trees	2300	x2234
1916C	Training Before the Olympiad constructive algorithms, games, greedy, implementation, math	1200	x17650
1915G	Bicycles graphs, greedy, implementation, shortest paths, sortings	1800	x6191
1915E	Romantic Glasses data structures, greedy, math	1300	x21220
1915D	Unnatural Language Processing greedy, implementation, strings	900	x29889
1914F	Programming Competition dfs and similar, dp, graph matchings, greedy, trees	1900	x4030
1914E2	Game with Marbles (Hard Version) games, greedy, sortings	1400	x12211
1914E1	Game with Marbles (Easy Version) brute force, games, greedy, sortings	1400	x12056
1914D	Three Activities brute force, dp, greedy, implementation, sortings	1200	x21258
1914C	Quests greedy, math	1100	x23611
1913C	Game with Multiset binary search, bitmasks, brute force, greedy	1300	x14833
1910G	Pool Records *special problem, greedy	2700	x58
1910F	Build Railway Stations *special problem, greedy, trees	2000	x174
1910D	Remove and Add *special problem, greedy	1800	x349
1910B	Security Guard *special problem, greedy	1600	x668
1909D	Split Plus K greedy, math, number theory	1900	x4347
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x11010
1907G	Lights brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	2200	x1892
1907F	Shift and Reverse greedy, sortings	1800	x4814
1907C	Removal of Unattractive Pairs constructive algorithms, greedy, math, strings	1200	x19978
1906M	Triangle Construction greedy, math	1700	x2609
1905C	Largest Subsequence greedy, strings	1400	x12119
1905B	Begginer's Zelda greedy, trees	1100	x16243
1904D2	Set To Max (Hard Version) constructive algorithms, data structures, divide and conquer, greedy, implementation, sortings	1800	x4325
1904D1	Set To Max (Easy Version) brute force, constructive algorithms, greedy	1600	x6586
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x15075
1903E	Geo Game greedy, interactive, math	2000	x1992
1903D2	Maximum And Queries (hard version) bitmasks, divide and conquer, dp, greedy	2500	x764
1903D1	Maximum And Queries (easy version) binary search, bitmasks, brute force, greedy	1700	x5626
1903C	Theofanis' Nightmare constructive algorithms, greedy	1400	x11753
1903B	StORage room bitmasks, brute force, constructive algorithms, greedy	1200	x12634
1903A	Halloumi Boxes brute force, greedy, sortings	800	x31226
1902C	Insert and Equalize brute force, constructive algorithms, greedy, math, number theory	1300	x13591
1902B	Getting Points binary search, brute force, greedy	1100	x14296
1901E	Compressed Tree dfs and similar, dp, graphs, greedy, sortings, trees	2200	x1514
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6869
1901C	Add, Divide and Floor constructive algorithms, greedy, math	1400	x11837
1901B	Chip and Ribbon greedy, math	1100	x14890
1901A	Line Trip greedy, math	800	x31295
1900A	Cover in Water constructive algorithms, greedy, implementation, strings	800	x27123
1899F	Alex's whims constructive algorithms, graphs, greedy, shortest paths, trees	1600	x7508