Problemset - Codeforces

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Problems

#	Name
1994H	Fortnite combinatorics, constructive algorithms, games, greedy, hashing, interactive, math, number theory, strings		x75
1990A	Submission Bait brute force, games, greedy, sortings		x14515
1987D	World is Mine dp, games	1800	x5850
1972B	Coin Games games	900	x19693
1970C3	Game on Tree (Hard) dfs and similar, dp, games, trees	1900	x1218
1970C2	Game on Tree (Medium) dfs and similar, dp, games, trees	1700	x2093
1970C1	Game on Tree (Easy) games	1400	x2741
1968D	Permutation Game brute force, dfs and similar, games, graphs, greedy, math	1300	x13721
1966A	Card Exchange constructive algorithms, games, greedy	800	x16768
1965E	Connected Cubes constructive algorithms, games	3100	x216
1965A	Everything Nim games, greedy, math, sortings	1400	x12315
1956B	Nene and the Card Game games, greedy	800	x20420
1956A	Nene's Game binary search, brute force, data structures, games, greedy	800	x20628
1955F	Unfair Game dp, games, greedy, math, schedules	1800	x6547
1952E	Sweep Line combinatorics, games, math		x227
1951H	Thanos Snap binary search, dp, games, greedy, trees	3200	x234
1943A	MEX Game 1 games, greedy	1300	x16696
1942E	Farm Game combinatorics, games	2300	x1573
1939D	Big Persimmon *special problem, dp, games		x86
1934D2	XOR Break --- Game Version bitmasks, games, greedy, interactive	2400	x1271
1931E	Anna and the Valentine's Day Gift games, greedy, math, sortings	1400	x14530
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x14046
1921E	Eat the Chip brute force, games, greedy, math	1600	x9335
1920B	Summation Game games, greedy, math, sortings	1100	x20044
1919G	Tree LGM constructive algorithms, divide and conquer, games, trees	3500	x176
1919A	Wallet Exchange games, math	800	x32481
1916C	Training Before the Olympiad constructive algorithms, games, greedy, implementation, math	1200	x17261
1914E2	Game with Marbles (Hard Version) games, greedy, sortings	1400	x11764
1914E1	Game with Marbles (Easy Version) brute force, games, greedy, sortings	1400	x11658
1906G	Grid Game 2 games, number theory	2900	x158
1899A	Game with Integers games, math, number theory	800	x41402
1895E	Infinite Card Game binary search, brute force, data structures, dfs and similar, dp, dsu, games, graphs, greedy, sortings, two pointers	2300	x1512
1874A	Jellyfish and Game brute force, games, greedy, implementation	1200	x16542
1873H	Mad City dfs and similar, dsu, games, graphs, shortest paths, trees	1700	x6977
1867C	Salyg1n and the MEX Game constructive algorithms, data structures, games, greedy, interactive	1300	x10926
1866I	Imagination Castle dp, games, two pointers	2300	x690
1864E	Guess Game bitmasks, data structures, games, math, probabilities, sortings, strings, trees	2100	x2520
1860C	Game on Permutation data structures, dp, games, greedy	1400	x12898
1858A	Buttons games, greedy, math	800	x36242
1848A	Vika and Her Friends games, math	900	x16545
1844A	Subtraction Game constructive algorithms, games	800	x24254
1842A	Tenzing and Tsondu games, math	800	x19649
1841A	Game with Board constructive algorithms, games	800	x24487
1834C	Game with Reversing games, greedy, math, strings	1200	x12994
1823E	Removing Graph brute force, dp, games, graphs, math	2500	x1209
1817D	Toy Machine constructive algorithms, games, implementation	2700	x722
1796E	Colored Subgraphs dfs and similar, dp, games, greedy, trees	2500	x728
1784E	Infinite Game brute force, combinatorics, dp, games, probabilities	3100	x313
1776I	Spinach Pizza games, geometry, greedy, interactive	2500	x651
1776C	Library game games, greedy, interactive, sortings	2500	x771
1773I	Interactive Factorial Guessing brute force, games, implementation, interactive	2500	x465
1772E	Permutation Game games	1700	x6613
1770D	Koxia and Game constructive algorithms, data structures, dfs and similar, dsu, flows, games, graph matchings, graphs, implementation	2000	x3748
1749C	Number Game binary search, data structures, games, greedy, implementation	1400	x13696
1747C	Swap Game games	1200	x20803
1740C	Bricks and Bags constructive algorithms, games, greedy, sortings	1400	x10811
1739C	Card Game combinatorics, constructive algorithms, dp, games	1500	x8903
1738C	Even Number Addicts dp, games, greedy, math	1500	x10929
1737C	Ela and Crickets constructive algorithms, games, implementation, math	1500	x5657
1728D	Letter Picking constructive algorithms, dp, games, two pointers	1800	x7048
1719A	Chip Game games, math	800	x25183
1710E	Two Arrays binary search, games, graph matchings	2400	x488
1704F	Colouring Game constructive algorithms, dp, games	2600	x949
1695B	Circle Game games, greedy	1000	x18251
1695A	Subrectangle Guess games	800	x16231
1684A	Digit Minimization constructive algorithms, games, math, strings	800	x23687
1681A	Game with Cards games, greedy	800	x20859
1673A	Subtle Substring Subtraction games, greedy, strings	800	x18352
1672A	Log Chopping games, implementation, math	800	x15979
1665D	GCD Guess bitmasks, chinese remainder theorem, constructive algorithms, games, interactive, math, number theory	2000	x3804
1659F	Tree and Permutation Game dfs and similar, games, graphs, trees	3000	x189
1658E	Gojou and Matrix Game data structures, dp, games, hashing, implementation, math, number theory, sortings	2500	x1032
1628D2	Game on Sum (Hard Version) combinatorics, dp, games, math	2400	x2019
1628D1	Game on Sum (Easy Version) combinatorics, dp, games, math	2100	x3075
1627B	Not Sitting games, greedy, sortings	1300	x16442
1617E	Christmas Chocolates dfs and similar, dp, games, graphs, implementation, math, number theory, shortest paths, trees	2700	x851
1615E	Purple Crayon data structures, dfs and similar, games, graphs, greedy, math, sortings, trees	2400	x1422
1610I	Mashtali vs AtCoder games, trees	3100	x278
1605D	Treelabeling bitmasks, constructive algorithms, dfs and similar, games, greedy, implementation, trees	2100	x2868
1600E	Array Game games, greedy, two pointers	1900	x1991
1585G	Poachers dp, games, graphs, trees	2500	x175
1584E	Game with Stones binary search, data structures, games, greedy	2300	x1246
1537D	Deleting Divisors games, math, number theory	1700	x12111
1536F	Omkar and Akmar chinese remainder theorem, combinatorics, constructive algorithms, fft, games, geometry, math, meet-in-the-middle, string suffix structures	2600	x925
1527B2	Palindrome Game (hard version) constructive algorithms, games	1900	x7692
1527B1	Palindrome Game (easy version) constructive algorithms, games	1200	x25182
1511G	Chips on a Board bitmasks, brute force, data structures, dp, games, two pointers	2700	x720
1503B	3-Coloring constructive algorithms, games, interactive	1700	x6921
1498F	Christmas Game bitmasks, data structures, dfs and similar, dp, games, math, trees	2500	x861
1495B	Let's Go Hiking games, greedy	1900	x5891
1480A	Yet Another String Game games, greedy, strings	800	x25608
1472D	Even-Odd Game dp, games, greedy, sortings	1200	x26597
1458E	Nim Shortcuts data structures, games	3100	x416
1455C	Ping-pong constructive algorithms, games, math	1100	x19430
1451F	Nullify The Matrix constructive algorithms, games	2700	x935
1451D	Circle Game games, geometry, math	1700	x9377
1442F	Differentiating Games games, interactive	3400	x130
1439E	Cheat and Win bitmasks, data structures, games, trees	3500	x219
1434E	A Convex Game dsu, games	3500	x169
1431G	Number Deletion Game *special problem, dp, games, greedy	2100	x180

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