Problemset - Codeforces

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

#	Name
1990A	Submission Bait brute force, games, greedy, sortings	900	x22776
1989B	Substring and Subsequence brute force, greedy, strings	1200	x20236
1989A	Catch the Coin implementation	800	x26437
1988B	Make Majority greedy, implementation	900	x22856
1988A	Split the Multiset brute force, greedy, implementation, math	900	x23316
1987C	Basil's Garden dp, greedy	1200	x17435
1987B	K-Sort greedy	1000	x20544
1987A	Upload More RAM greedy, math	800	x25428
1986C	Update Queries data structures, greedy, sortings	1100	x22922
1986B	Matrix Stabilization brute force, data structures, greedy, sortings	1000	x26706
1986A	X Axis brute force, geometry, math, sortings	800	x40702
1985E	Secret Box brute force, combinatorics, math	1200	x20005
1985D	Manhattan Circle implementation, math	900	x34765
1985C	Good Prefixes greedy	1000	x32589
1985B	Maximum Multiple Sum brute force, math, number theory	800	x46611
1985A	Creating Words implementation, strings	800	x54321
1984B	Large Addition implementation, math	1100	x18369
1984A	Strange Splitting constructive algorithms	800	x21206
1983B	Corner Twist constructive algorithms, greedy, implementation, math	1200	x16167
1983A	Array Divisibility constructive algorithms, math	800	x25738
1982C	Boring Day binary search, data structures, dp, greedy, two pointers	1200	x17680
1982B	Collatz Conjecture brute force, implementation, math, number theory	1200	x17019
1982A	Soccer greedy, implementation, math, sortings	800	x25214
1981A	Turtle and Piggy Are Playing a Game brute force, greedy, math	800	x22379
1980B	Choosing Cubes sortings, sortings	800	x34803
1980A	Problem Generator math	800	x40812
1979C	Earning on Bets binary search, combinatorics, constructive algorithms, number theory	1200	x18865
1979B	XOR Sequences bitmasks, greedy	1000	x22697
1979A	Guess the Maximum brute force, greedy, implementation	800	x29123
1978B	New Bakery binary search, greedy, math, ternary search	800	x22437
1978A	Alice and Books constructive algorithms, greedy, sortings	800	x25814
1977B	Binary Colouring bitmasks, constructive algorithms, greedy, math	1100	x17706
1977A	Little Nikita math	800	x33244
1976B	Increase/Decrease/Copy greedy, implementation	1100	x22340
1976A	Verify Password implementation, sortings, strings	800	x28704
1975C	Chamo and Mocha's Array binary search, brute force, greedy	1200	x14648
1975B	378QAQ and Mocha's Array brute force, greedy, math, sortings	1000	x17940
1975A	Bazoka and Mocha's Array brute force, greedy, implementation, sortings	800	x18568
1974B	Symmetric Encoding implementation, sortings, strings	800	x30382
1974A	Phone Desktop greedy, math	800	x33340
1973A	Chess For Three brute force, dp, implementation, math	900	x24677
1972B	Coin Games games	900	x21730
1972A	Contest Proposal brute force, greedy, two pointers	800	x23028
1971D	Binary Cut dp, greedy, implementation, sortings, strings	1100	x26011
1971C	Clock and Strings implementation	900	x33358
1971B	Different String implementation, strings	800	x37152
1971A	My First Sorting Problem implementation, sortings	800	x45749
1970A1	Balanced Shuffle (Easy) implementation, sortings	1000	x5034
1969B	Shifts and Sorting constructive algorithms, greedy	1000	x19203
1969A	Two Friends constructive algorithms, implementation, math	800	x20029
1968C	Assembly via Remainders constructive algorithms, number theory	1000	x25188
1968B	Prefiquence greedy, two pointers	800	x28051
1968A	Maximize? brute force, math, number theory	800	x34779
1966B	Rectangle Filling constructive algorithms, implementation	1100	x15065
1966A	Card Exchange constructive algorithms, games, greedy	800	x17950
1958A	1-3-5 *special problem, dp	1100	x1998
1957B	A BIT of a Construction bitmasks, constructive algorithms, greedy, implementation	1100	x18031
1957A	Stickogon constructive algorithms, greedy	800	x23410
1956B	Nene and the Card Game games, greedy	800	x21321
1956A	Nene's Game binary search, brute force, data structures, games, greedy	800	x21794
1955B	Progressive Square constructive algorithms, data structures, implementation, sortings	1000	x28129
1955A	Yogurt Sale math	800	x43881
1954C	Long Multiplication greedy, math, number theory	1200	x19568
1954B	Make It Ugly implementation, math	1200	x18703
1954A	Painting the Ribbon constructive algorithms, greedy, math	900	x24301
1951B	Battle Cows binary search, data structures, greedy	1200	x14722
1951A	Dual Trigger constructive algorithms, greedy, math	900	x19852
1950D	Product of Binary Decimals brute force, dp, implementation, number theory	1100	x23361
1950C	Clock Conversion implementation, math	800	x40253
1950B	Upscaling implementation	800	x38371
1950A	Stair, Peak, or Neither? implementation	800	x53799
1948B	Array Fix brute force, dp, greedy, implementation	1100	x23112
1948A	Special Characters brute force, constructive algorithms	800	x28798
1946B	Maximum Sum dp, greedy, math	1100	x20587
1946A	Median of an Array greedy, implementation, sortings	800	x26177
1945C	Left and Right Houses brute force	1200	x15068
1945B	Fireworks math, number theory	900	x22871
1945A	Setting up Camp greedy, math	800	x27858
1944B	Equal XOR bitmasks, constructive algorithms	1100	x16306
1944A	Destroying Bridges graphs, greedy, math	800	x23915
1942B	Bessie and MEX constructive algorithms, math	1100	x14096
1942A	Farmer John's Challenge constructive algorithms, math	800	x17364
1941D	Rudolf and the Ball Game dfs and similar, dp, implementation	1200	x18516
1941C	Rudolf and the Ugly String dp, greedy, strings	900	x33663
1941B	Rudolf and 121 brute force, dp, greedy, math	1000	x30107
1941A	Rudolf and the Ticket brute force, math	800	x42761
1937A	Shuffle Party implementation, math	800	x23282
1935B	Informatics in MAC constructive algorithms	1200	x18714
1935A	Entertainment in MAC constructive algorithms, strings	800	x28163
1934B	Yet Another Coin Problem brute force, dp, greedy, math	1200	x19145
1934A	Too Min Too Max greedy, math	800	x25566
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x20485
1933C	Turtle Fingers: Count the Values of k brute force, implementation, math, number theory	1100	x22802
1933B	Turtle Math: Fast Three Task implementation, math, number theory	800	x33101
1933A	Turtle Puzzle: Rearrange and Negate greedy, math, sortings	800	x38409
1932B	Chaya Calendar number theory	1100	x20994
1932A	Thorns and Coins dp, greedy, implementation	800	x29958
1931C	Make Equal Again brute force, greedy, math	1000	x29457
1931B	Make Equal greedy	800	x32480
1931A	Recovering a Small String brute force, strings	800	x36502