Problemset - Codeforces

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Codeforces Round (Div. 2)
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Problems

#	Name
1966A	Card Exchange constructive algorithms, games, greedy	800	x19794
1965E	Connected Cubes constructive algorithms, games	3100	x484
1965A	Everything Nim games, greedy, math, sortings	1400	x17503
1956B	Nene and the Card Game games, greedy	800	x23143
1956A	Nene's Game binary search, brute force, data structures, games, greedy	800	x24801
1955F	Unfair Game dp, games, greedy, math, schedules	1800	x8958
1952E	Sweep Line *special problem, combinatorics, games, math		x349
1951H	Thanos Snap binary search, dp, games, greedy, trees	3200	x402
1943A	MEX Game 1 games, greedy	1300	x22220
1942E	Farm Game combinatorics, games	2300	x2060
1939D	Big Persimmon *special problem, dp, games		x116
1934D2	XOR Break --- Game Version bitmasks, games, greedy, interactive	2400	x1855
1931E	Anna and the Valentine's Day Gift games, greedy, math, sortings	1400	x28818
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x17761
1921E	Eat the Chip brute force, games, greedy, math	1600	x11741
1920B	Summation Game games, greedy, math, sortings	1100	x23621
1919G	Tree LGM constructive algorithms, divide and conquer, games, trees	3500	x236
1919A	Wallet Exchange games, math	800	x36634
1916C	Training Before the Olympiad constructive algorithms, games, greedy, implementation, math	1200	x20249
1914E2	Game with Marbles (Hard Version) games, greedy, sortings	1400	x15183
1914E1	Game with Marbles (Easy Version) brute force, games, greedy, sortings	1400	x14635
1906G	Grid Game 2 games, number theory	2900	x447
1899A	Game with Integers games, math, number theory	800	x107821
1895E	Infinite Card Game binary search, brute force, data structures, dfs and similar, dp, dsu, games, graphs, greedy, sortings, two pointers	2300	x1969
1874A	Jellyfish and Game brute force, games, greedy, implementation	1200	x19847
1873H	Mad City dfs and similar, dsu, games, graphs, shortest paths, trees	1700	x9933
1867C	Salyg1n and the MEX Game constructive algorithms, data structures, games, greedy, interactive	1300	x12904
1866I	Imagination Castle dp, games, two pointers	2300	x986
1864E	Guess Game bitmasks, data structures, games, math, probabilities, sortings, strings, trees	2100	x3171
1860C	Game on Permutation data structures, dp, games, greedy	1400	x16108
1858A	Buttons games, greedy, math	800	x75325
1848A	Vika and Her Friends games, math	900	x18620
1844A	Subtraction Game constructive algorithms, games	800	x26110
1842A	Tenzing and Tsondu games, math	800	x21005
1841A	Game with Board constructive algorithms, games	800	x26217
1834C	Game with Reversing games, greedy, math, strings	1200	x15393
1823E	Removing Graph brute force, dp, games, graphs, math	2500	x1522
1817D	Toy Machine constructive algorithms, games, implementation	2700	x1075
1796E	Colored Subgraphs dfs and similar, dp, games, greedy, trees	2500	x1090
1784E	Infinite Game brute force, combinatorics, dp, games, probabilities	3100	x540
1776I	Spinach Pizza games, geometry, greedy, interactive	2500	x949
1776C	Library game games, greedy, interactive, sortings	2500	x1019
1773I	Interactive Factorial Guessing brute force, games, implementation, interactive	2500	x601
1772E	Permutation Game games	1700	x7846
1770D	Koxia and Game constructive algorithms, data structures, dfs and similar, dsu, flows, games, graph matchings, graphs, implementation	2000	x4531
1749C	Number Game binary search, data structures, games, greedy, implementation	1400	x16092
1747C	Swap Game games	1200	x23925
1740C	Bricks and Bags constructive algorithms, games, greedy, sortings	1400	x12517
1739C	Card Game combinatorics, constructive algorithms, dp, games	1500	x10329
1738C	Even Number Addicts dp, games, greedy, math	1500	x13163
1737C	Ela and Crickets constructive algorithms, games, implementation, math	1500	x6514
1728D	Letter Picking constructive algorithms, dp, games, two pointers	1800	x8480
1719A	Chip Game games, math	800	x27026
1710E	Two Arrays binary search, games, graph matchings	2400	x598
1704F	Colouring Game constructive algorithms, dp, games	2600	x1395
1695B	Circle Game games, greedy	1000	x20297
1695A	Subrectangle Guess games	800	x16875
1684A	Digit Minimization constructive algorithms, games, math, strings	800	x25129
1681A	Game with Cards games, greedy	800	x21808
1673A	Subtle Substring Subtraction games, greedy, strings	800	x19238
1672A	Log Chopping games, implementation, math	800	x16975
1665D	GCD Guess bitmasks, chinese remainder theorem, constructive algorithms, games, interactive, math, number theory	2000	x4846
1659F	Tree and Permutation Game dfs and similar, games, graphs, trees	3000	x272
1658E	Gojou and Matrix Game data structures, dp, games, hashing, implementation, math, number theory, sortings	2500	x1265
1628D2	Game on Sum (Hard Version) combinatorics, dp, games, math	2400	x2744
1628D1	Game on Sum (Easy Version) combinatorics, dp, games, math	2100	x3885
1627B	Not Sitting games, greedy, sortings	1300	x17769
1617E	Christmas Chocolates dfs and similar, dp, games, graphs, implementation, math, number theory, shortest paths, trees	2700	x1088
1615E	Purple Crayon data structures, dfs and similar, games, graphs, greedy, math, sortings, trees	2400	x1781
1610I	Mashtali vs AtCoder games, trees	3100	x489
1605D	Treelabeling bitmasks, constructive algorithms, dfs and similar, games, greedy, implementation, trees	2100	x3335
1600E	Array Game games, greedy, two pointers	1900	x2513
1585G	Poachers dp, games, graphs, trees	2500	x345
1584E	Game with Stones binary search, data structures, games, greedy	2300	x1538
1537D	Deleting Divisors games, math, number theory	1700	x14048
1536F	Omkar and Akmar chinese remainder theorem, combinatorics, constructive algorithms, fft, games, geometry, math, meet-in-the-middle, string suffix structures	2600	x1236
1527B2	Palindrome Game (hard version) constructive algorithms, games	1900	x8938
1527B1	Palindrome Game (easy version) constructive algorithms, games	1200	x37225
1511G	Chips on a Board bitmasks, brute force, data structures, dp, games, two pointers	2700	x998
1503B	3-Coloring constructive algorithms, games, interactive	1700	x7794
1498F	Christmas Game bitmasks, data structures, dfs and similar, dp, games, math, trees	2500	x1135
1495B	Let's Go Hiking games, greedy	1900	x6412
1480A	Yet Another String Game games, greedy, strings	800	x27388
1472D	Even-Odd Game dp, games, greedy, sortings	1200	x31629
1458E	Nim Shortcuts data structures, games	3100	x691
1455C	Ping-pong constructive algorithms, games, math	1100	x20666
1451F	Nullify The Matrix constructive algorithms, games	2700	x1311
1451D	Circle Game games, geometry, math	1700	x10411
1442F	Differentiating Games games, interactive	3400	x175
1439E	Cheat and Win bitmasks, data structures, games, trees	3500	x317
1434E	A Convex Game dsu, games	3500	x340
1431G	Number Deletion Game *special problem, dp, games, greedy	2100	x217
1427H	Prison Break binary search, games, geometry, ternary search	3500	x101
1425A	Arena of Greed games, greedy	1400	x7364
1419A	Digit Game games, greedy, implementation	900	x20731
1411G	No Game No Life bitmasks, games, math, matrices	2700	x966
1404B	Tree Tag dfs and similar, dp, games, trees	1900	x8669
1402C	Star Trek *special problem, combinatorics, dfs and similar, dp, games, graphs, matrices, trees	2600	x273
1398B	Substring Removal Game games, greedy, sortings	800	x26308
1396B	Stoned Game brute force, constructive algorithms, games, greedy	1800	x13492

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