Problemset - Codeforces

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Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2)
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Problems

#	Name
2041E	Beautiful Array constructive algorithms, math	1200	x1972
2041B	Bowling Frame binary search, brute force, math	1200	x1896
2041A	The Bento Box Adventure implementation, sortings	1300	x3340
2039C1	Shohag Loves XOR (Easy Version) bitmasks, brute force, math, number theory	1200	x7529
2037D	Sharky Surfing data structures, greedy, two pointers	1300	x8723
2036D	I Love 1543 brute force, implementation, matrices	1300	x11546
2036C	Anya and 1100 brute force, implementation	1100	x16413
2033D	Kousuke's Assignment data structures, dp, dsu, greedy, math	1300	x13041
2032B	Medians constructive algorithms, greedy, implementation, math	1100	x15590
2031C	Penchick and BBQ Buns constructive algorithms, math, number theory	1300	x9529
2030C	A TRUE Battle brute force, games, greedy	1100	x15800
2029B	Replacement constructive algorithms, games, strings	1100	x8288
2027B	Stalin Sort brute force, greedy	1100	x13635
2026B	Black Cells binary search, brute force, constructive algorithms, greedy	1300	x11770
2025C	New Game binary search, brute force, greedy, implementation, sortings, two pointers	1300	x14489
2025B	Binomial Coefficients, Kind Of combinatorics, dp, math	1100	x16429
2024B	Buying Lemonade binary search, constructive algorithms, sortings	1100	x13150
2023A	Concatenation of Arrays constructive algorithms, greedy, math, sortings	1300	x12018
2022B	Kar Salesman binary search, greedy, math	1300	x9967
2021C1	Adjust The Presentation (Easy Version) constructive algorithms, greedy	1300	x11418
2021B	Maximize Mex brute force, greedy, math, number theory	1200	x14324
2020B	Brightness Begins binary search, math	1200	x16409
2019B	All Pairs Segments implementation, math	1200	x13857
2014C	Robin Hood in Town binary search, greedy, math	1100	x21588
2009C	The Legend of Freya the Frog implementation, math	1100	x25969
2008D	Sakurako's Hobby dp, dsu, graphs, math	1100	x19170
2005B2	The Strict Teacher (Hard Version) binary search, greedy, math, sortings	1200	x17300
2004C	Splitting Items games, greedy, sortings	1100	x23338
2003C	Turtle and Good Pairs constructive algorithms, greedy, sortings, strings	1200	x18163
2002C	Black Circles brute force, geometry, greedy, math	1200	x15087
2000D	Right Left Wrong greedy, implementation, two pointers	1200	x23092
1999E	Triple Operations dp, implementation, math	1300	x18716
1999D	Slavic's Exam greedy, implementation, strings	1100	x27063
1997C	Even Positions constructive algorithms, data structures, greedy	1100	x22053
1997B	Make Three Regions constructive algorithms, two pointers	1100	x20674
1996C	Sort dp, greedy, sortings, strings	1200	x23001
1995B1	Bouquet (Easy Version) binary search, brute force, greedy, sortings, two pointers	1100	x18041
1994B	Fun Game bitmasks, constructive algorithms, greedy, math	1100	x16599
1993B	Parity and Sum constructive algorithms, greedy	1100	x22830
1992D	Test of Love dp, greedy, implementation	1200	x20483
1991C	Absolute Zero constructive algorithms, greedy, math	1300	x14651
1991B	AND Reconstruction bitmasks, constructive algorithms, greedy	1100	x16422
1990B	Array Craft constructive algorithms, greedy	1200	x16578
1989B	Substring and Subsequence brute force, greedy, strings	1200	x20241
1988C	Increasing Sequence with Fixed OR bitmasks, constructive algorithms, greedy	1300	x16655
1987C	Basil's Garden dp, greedy	1200	x17438
1986C	Update Queries data structures, greedy, sortings	1100	x22924
1985E	Secret Box brute force, combinatorics, math	1200	x20008
1984C1	Magnitude (Easy Version) dp, greedy, math	1300	x16716
1984B	Large Addition implementation, math	1100	x18372
1983B	Corner Twist constructive algorithms, greedy, implementation, math	1200	x16169
1982C	Boring Day binary search, data structures, dp, greedy, two pointers	1200	x17685
1982B	Collatz Conjecture brute force, implementation, math, number theory	1200	x17021
1981B	Turtle and an Infinite Sequence bitmasks, math	1300	x13791
1980C	Sofia and the Lost Operations constructive algorithms, greedy	1300	x18694
1979C	Earning on Bets binary search, combinatorics, constructive algorithms, number theory	1200	x18869
1978C	Manhattan Permutations constructive algorithms, data structures, greedy, implementation, math	1300	x15028
1977B	Binary Colouring bitmasks, constructive algorithms, greedy, math	1100	x17706
1976B	Increase/Decrease/Copy greedy, implementation	1100	x22341
1975C	Chamo and Mocha's Array binary search, brute force, greedy	1200	x14651
1973B	Cat, Fox and the Lonely Array binary search, bitmasks, data structures, greedy, math, two pointers	1300	x14180
1971D	Binary Cut dp, greedy, implementation, sortings, strings	1100	x26014
1968D	Permutation Game brute force, dfs and similar, games, graphs, greedy, math	1300	x15019
1966B	Rectangle Filling constructive algorithms, implementation	1100	x15066
1958A	1-3-5 *special problem, dp	1100	x1998
1957B	A BIT of a Construction bitmasks, constructive algorithms, greedy, implementation	1100	x18031
1955C	Inhabitant of the Deep Sea greedy, implementation, math	1300	x21413
1954C	Long Multiplication greedy, math, number theory	1200	x19571
1954B	Make It Ugly implementation, math	1200	x18705
1951B	Battle Cows binary search, data structures, greedy	1200	x14724
1950D	Product of Binary Decimals brute force, dp, implementation, number theory	1100	x23363
1948C	Arrow Path brute force, constructive algorithms, dfs and similar, dp, graphs, shortest paths	1300	x17060
1948B	Array Fix brute force, dp, greedy, implementation	1100	x23118
1946B	Maximum Sum dp, greedy, math	1100	x20588
1945D	Seraphim the Owl dp, greedy	1300	x14609
1945C	Left and Right Houses brute force	1200	x15069
1944B	Equal XOR bitmasks, constructive algorithms	1100	x16307
1943A	MEX Game 1 games, greedy	1300	x18145
1942C1	Bessie's Birthday Cake (Easy Version) geometry, greedy, math	1300	x11077
1942B	Bessie and MEX constructive algorithms, math	1100	x14097
1941D	Rudolf and the Ball Game dfs and similar, dp, implementation	1200	x18519
1937B	Binary Path dp, greedy, implementation	1300	x15189
1935B	Informatics in MAC constructive algorithms	1200	x18718
1934B	Yet Another Coin Problem brute force, dp, greedy, math	1200	x19152
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x20488
1933C	Turtle Fingers: Count the Values of k brute force, implementation, math, number theory	1100	x22807
1932B	Chaya Calendar number theory	1100	x20997
1931D	Divisible Pairs combinatorics, math, number theory	1300	x19339
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x17743
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x21951
1926D	Vlad and Division bitmasks, greedy	1300	x15757
1926C	Vlad and a Sum of Sum of Digits dp, implementation	1200	x27120
1925B	A Balanced Problemset? brute force, greedy, math, number theory	1200	x20293
1923B	Monsters Attack! dp, greedy, implementation	1100	x17876
1922C	Closest Cities greedy, implementation, math	1300	x18734
1922B	Forming Triangles combinatorics, constructive algorithms, math, sortings	1200	x20860
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x21848
1920B	Summation Game games, greedy, math, sortings	1100	x21123
1917B	Erase First or Second Letter brute force, combinatorics, data structures, dp, strings	1100	x22861
1916C	Training Before the Olympiad constructive algorithms, games, greedy, implementation, math	1200	x18025

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