Problemset - Codeforces

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Rayan Programming Contest 2024 - Selection (Codeforces Round, Div. 1 + Div. 2)
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Problems

#	Name
2038A	Bonus Project games, greedy	1400	x2438
2032F	Peanuts combinatorics, dp, games, math	2700	x262
2030C	A TRUE Battle brute force, games, greedy	1100	x15719
2030B	Minimise Oneness combinatorics, constructive algorithms, games, math	800	x20022
2029B	Replacement constructive algorithms, games, strings	1100	x8189
2028E	Alice's Adventures in the Rabbit Hole combinatorics, dfs and similar, dp, games, greedy, math, probabilities, trees	2300	x1118
2027E1	Bit Game (Easy Version) bitmasks, brute force, games, math	2800	x127
2013F1	Game in Tree (Easy Version) binary search, brute force, data structures, dp, games, greedy, implementation, trees	2700	x473
2006A	Iris and Game on the Tree constructive algorithms, dfs and similar, games, graphs, greedy, trees	1700	x6761
2005E2	Subtangle Game (Hard Version) data structures, dp, games, greedy, implementation	2500	x801
2005E1	Subtangle Game (Easy Version) dp, games, greedy, implementation	2100	x2698
2004E	Not a Nim Problem brute force, games, math, number theory	2100	x4058
2004C	Splitting Items games, greedy, sortings	1100	x23311
2003B	Turtle and Piggy Are Playing a Game 2 games, greedy, sortings	800	x25119
2002B	Removals Game constructive algorithms, games	1000	x18860
1994H	Fortnite combinatorics, constructive algorithms, games, greedy, hashing, interactive, math, number theory, strings	3500	x706
1991I	Grid Game constructive algorithms, games, graph matchings, greedy, interactive	3500	x130
1991H	Prime Split Game bitmasks, dp, fft, games, math, number theory	3300	x505
1991E	Coloring Game constructive algorithms, dfs and similar, games, graphs, greedy, interactive	1900	x4230
1990A	Submission Bait brute force, games, greedy, sortings	900	x22764
1987D	World is Mine dp, games	1800	x7188
1972B	Coin Games games	900	x21713
1970C3	Game on Tree (Hard) dfs and similar, dp, games, trees	1900	x1597
1970C2	Game on Tree (Medium) dfs and similar, dp, games, trees	1700	x2784
1970C1	Game on Tree (Easy) games	1400	x3512
1968D	Permutation Game brute force, dfs and similar, games, graphs, greedy, math	1300	x15011
1966A	Card Exchange constructive algorithms, games, greedy	800	x17938
1965E	Connected Cubes constructive algorithms, games	3100	x305
1965A	Everything Nim games, greedy, math, sortings	1400	x13826
1956B	Nene and the Card Game games, greedy	800	x21319
1956A	Nene's Game binary search, brute force, data structures, games, greedy	800	x21785
1955F	Unfair Game dp, games, greedy, math, schedules	1800	x7169
1952E	Sweep Line combinatorics, games, math		x258
1951H	Thanos Snap binary search, dp, games, greedy, trees	3200	x284
1943A	MEX Game 1 games, greedy	1300	x18132
1942E	Farm Game combinatorics, games	2300	x1698
1939D	Big Persimmon *special problem, dp, games		x100
1934D2	XOR Break --- Game Version bitmasks, games, greedy, interactive	2400	x1408
1931E	Anna and the Valentine's Day Gift games, greedy, math, sortings	1400	x16210
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x15109
1921E	Eat the Chip brute force, games, greedy, math	1600	x9921
1920B	Summation Game games, greedy, math, sortings	1100	x21107
1919G	Tree LGM constructive algorithms, divide and conquer, games, trees	3500	x183
1919A	Wallet Exchange games, math	800	x33569
1916C	Training Before the Olympiad constructive algorithms, games, greedy, implementation, math	1200	x18018
1914E2	Game with Marbles (Hard Version) games, greedy, sortings	1400	x12625
1914E1	Game with Marbles (Easy Version) brute force, games, greedy, sortings	1400	x12403
1906G	Grid Game 2 games, number theory	2900	x212
1899A	Game with Integers games, math, number theory	800	x48194
1895E	Infinite Card Game binary search, brute force, data structures, dfs and similar, dp, dsu, games, graphs, greedy, sortings, two pointers	2300	x1588
1874A	Jellyfish and Game brute force, games, greedy, implementation	1200	x17264
1873H	Mad City dfs and similar, dsu, games, graphs, shortest paths, trees	1700	x7569
1867C	Salyg1n and the MEX Game constructive algorithms, data structures, games, greedy, interactive	1300	x11384
1866I	Imagination Castle dp, games, two pointers	2300	x772
1864E	Guess Game bitmasks, data structures, games, math, probabilities, sortings, strings, trees	2100	x2678
1860C	Game on Permutation data structures, dp, games, greedy	1400	x13508
1858A	Buttons games, greedy, math	800	x39878
1848A	Vika and Her Friends games, math	900	x16961
1844A	Subtraction Game constructive algorithms, games	800	x24675
1842A	Tenzing and Tsondu games, math	800	x19894
1841A	Game with Board constructive algorithms, games	800	x24796
1834C	Game with Reversing games, greedy, math, strings	1200	x13457
1823E	Removing Graph brute force, dp, games, graphs, math	2500	x1269
1817D	Toy Machine constructive algorithms, games, implementation	2700	x791
1796E	Colored Subgraphs dfs and similar, dp, games, greedy, trees	2500	x774
1784E	Infinite Game brute force, combinatorics, dp, games, probabilities	3100	x347
1776I	Spinach Pizza games, geometry, greedy, interactive	2500	x687
1776C	Library game games, greedy, interactive, sortings	2500	x814
1773I	Interactive Factorial Guessing brute force, games, implementation, interactive	2500	x492
1772E	Permutation Game games	1700	x6845
1770D	Koxia and Game constructive algorithms, data structures, dfs and similar, dsu, flows, games, graph matchings, graphs, implementation	2000	x3892
1749C	Number Game binary search, data structures, games, greedy, implementation	1400	x14101
1747C	Swap Game games	1200	x21411
1740C	Bricks and Bags constructive algorithms, games, greedy, sortings	1400	x11128
1739C	Card Game combinatorics, constructive algorithms, dp, games	1500	x9167
1738C	Even Number Addicts dp, games, greedy, math	1500	x11302
1737C	Ela and Crickets constructive algorithms, games, implementation, math	1500	x5803
1728D	Letter Picking constructive algorithms, dp, games, two pointers	1800	x7336
1719A	Chip Game games, math	800	x25673
1710E	Two Arrays binary search, games, graph matchings	2400	x507
1704F	Colouring Game constructive algorithms, dp, games	2600	x1062
1695B	Circle Game games, greedy	1000	x18593
1695A	Subrectangle Guess games	800	x16386
1684A	Digit Minimization constructive algorithms, games, math, strings	800	x23992
1681A	Game with Cards games, greedy	800	x21055
1673A	Subtle Substring Subtraction games, greedy, strings	800	x18479
1672A	Log Chopping games, implementation, math	800	x16161
1665D	GCD Guess bitmasks, chinese remainder theorem, constructive algorithms, games, interactive, math, number theory	2000	x4030
1659F	Tree and Permutation Game dfs and similar, games, graphs, trees	3000	x192
1658E	Gojou and Matrix Game data structures, dp, games, hashing, implementation, math, number theory, sortings	2500	x1061
1628D2	Game on Sum (Hard Version) combinatorics, dp, games, math	2400	x2171
1628D1	Game on Sum (Easy Version) combinatorics, dp, games, math	2100	x3232
1627B	Not Sitting games, greedy, sortings	1300	x16697
1617E	Christmas Chocolates dfs and similar, dp, games, graphs, implementation, math, number theory, shortest paths, trees	2700	x883
1615E	Purple Crayon data structures, dfs and similar, games, graphs, greedy, math, sortings, trees	2400	x1501
1610I	Mashtali vs AtCoder games, trees	3100	x286
1605D	Treelabeling bitmasks, constructive algorithms, dfs and similar, games, greedy, implementation, trees	2100	x2961
1600E	Array Game games, greedy, two pointers	1900	x2129
1585G	Poachers dp, games, graphs, trees	2500	x188
1584E	Game with Stones binary search, data structures, games, greedy	2300	x1297

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