Problemset - Codeforces

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Codeforces Round 954 (Div. 3)
4 days

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Problems

#	Name
1984C1	Magnitude (Easy Version) dp, greedy, math	1300	x12293
1984B	Large Addition implementation, math	1100	x14340
1984A	Strange Splitting constructive algorithms	800	x17288
1981B	Turtle and an Infinite Sequence bitmasks, math	1300	x10879
1981A	Turtle and Piggy Are Playing a Game brute force, greedy, math	800	x18679
1980C	Sofia and the Lost Operations constructive algorithms, greedy	1300	x15285
1980B	Choosing Cubes sortings, sortings	800	x29767
1980A	Problem Generator math	800	x34468
1979C	Earning on Bets binary search, combinatorics, constructive algorithms, number theory	1200	x15272
1979B	XOR Sequences bitmasks, greedy	1000	x19069
1979A	Guess the Maximum brute force, greedy, implementation	800	x24948
1977B	Binary Colouring bitmasks, constructive algorithms, greedy, math	1100	x15296
1977A	Little Nikita math	800	x26536
1976B	Increase/Decrease/Copy greedy, implementation	1100	x18788
1976A	Verify Password implementation, sortings, strings	800	x24315
1975C	Chamo and Mocha's Array binary search, brute force, greedy	1200	x12049
1975B	378QAQ and Mocha's Array brute force, greedy, math, sortings	1000	x14871
1975A	Bazoka and Mocha's Array brute force, greedy, implementation, sortings	800	x16527
1974B	Symmetric Encoding implementation, sortings, strings	800	x27269
1974A	Phone Desktop greedy, math	800	x29718
1973B	Cat, Fox and the Lonely Array binary search, bitmasks, data structures, greedy, math, two pointers	1300	x12067
1973A	Chess For Three brute force, dp, implementation, math	900	x21199
1972B	Coin Games games	900	x18640
1972A	Contest Proposal brute force, greedy, two pointers	800	x20541
1971D	Binary Cut dp, greedy, implementation, sortings, strings	1100	x22455
1971C	Clock and Strings implementation	900	x28068
1971B	Different String implementation, strings	800	x31837
1971A	My First Sorting Problem implementation, sortings	800	x38458
1970A1	Balanced Shuffle (Easy) implementation, sortings	1000	x3279
1969B	Shifts and Sorting constructive algorithms, greedy	1000	x16432
1969A	Two Friends constructive algorithms, implementation, math	800	x17990
1968D	Permutation Game brute force, dfs and similar, games, graphs, greedy, math	1300	x13083
1968C	Assembly via Remainders constructive algorithms, number theory	1000	x21912
1968B	Prefiquence greedy, two pointers	800	x25359
1968A	Maximize? brute force, math, number theory	800	x30107
1966B	Rectangle Filling constructive algorithms, implementation	1100	x13201
1966A	Card Exchange constructive algorithms, games, greedy	800	x16144
1958A	1-3-5 *special problem, dp	1100	x1250
1957B	A BIT of a Construction bitmasks, constructive algorithms, greedy, implementation	1100	x16242
1957A	Stickogon constructive algorithms, greedy	800	x21441
1956B	Nene and the Card Game games, greedy	800	x19917
1956A	Nene's Game binary search, brute force, data structures, games, greedy	800	x20071
1955C	Inhabitant of the Deep Sea greedy, implementation, math	1300	x19078
1955B	Progressive Square constructive algorithms, data structures, implementation, sortings	1000	x25282
1955A	Yogurt Sale math	800	x38966
1954C	Long Multiplication greedy, math, number theory	1200	x17234
1954B	Make It Ugly implementation, math	1200	x16692
1954A	Painting the Ribbon constructive algorithms, greedy, math	900	x21824
1951B	Battle Cows binary search, data structures, greedy	1200	x13107
1951A	Dual Trigger constructive algorithms, greedy, math	900	x17852
1950D	Product of Binary Decimals brute force, dp, implementation, number theory	1100	x21370
1950C	Clock Conversion implementation, math	800	x36671
1950B	Upscaling implementation	800	x35004
1950A	Stair, Peak, or Neither? implementation	800	x46428
1948C	Arrow Path brute force, constructive algorithms, dfs and similar, dp, graphs, shortest paths	1300	x15171
1948B	Array Fix brute force, dp, greedy, implementation	1100	x21222
1948A	Special Characters brute force, constructive algorithms	800	x27078
1946B	Maximum Sum dp, greedy, math	1100	x18783
1946A	Median of an Array greedy, implementation, sortings	800	x24549
1945D	Seraphim the Owl dp, greedy	1300	x12952
1945C	Left and Right Houses brute force	1200	x13596
1945B	Fireworks math, number theory	900	x20735
1945A	Setting up Camp greedy, math	800	x25840
1944B	Equal XOR bitmasks, constructive algorithms	1100	x14974
1944A	Destroying Bridges graphs, greedy, math	800	x22074
1943A	MEX Game 1 games, greedy	1300	x16139
1942C1	Bessie's Birthday Cake (Easy Version) geometry, greedy, math	1300	x10026
1942B	Bessie and MEX constructive algorithms, math	1100	x12864
1942A	Farmer John's Challenge constructive algorithms, math	800	x16282
1941D	Rudolf and the Ball Game dfs and similar, dp, implementation	1200	x17188
1941C	Rudolf and the Ugly String dp, greedy, strings	900	x30816
1941B	Rudolf and 121 brute force, dp, greedy, math	1000	x27462
1941A	Rudolf and the Ticket brute force, math	800	x40070
1937B	Binary Path dp, greedy, implementation	1300	x13695
1937A	Shuffle Party implementation, math	800	x22060
1935B	Informatics in MAC constructive algorithms	1200	x17121
1935A	Entertainment in MAC constructive algorithms, strings	800	x26300
1934B	Yet Another Coin Problem brute force, dp, greedy, math	1200	x17343
1934A	Too Min Too Max greedy, math	800	x24081
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x18510
1933C	Turtle Fingers: Count the Values of k brute force, implementation, math, number theory	1100	x21205
1933B	Turtle Math: Fast Three Task implementation, math, number theory	800	x30735
1933A	Turtle Puzzle: Rearrange and Negate greedy, math, sortings	800	x36332
1932B	Chaya Calendar number theory	1100	x19169
1932A	Thorns and Coins dp, greedy, implementation	800	x27654
1931D	Divisible Pairs combinatorics, math, number theory	1300	x16670
1931C	Make Equal Again brute force, greedy, math	1000	x26967
1931B	Make Equal greedy	800	x30707
1931A	Recovering a Small String brute force, strings	800	x34296
1930B	Permutation Printing brute force, constructive algorithms, math	1000	x14137
1930A	Maximise The Score greedy, sortings	800	x17656
1929B	Sasha and the Drawing constructive algorithms, greedy, math	800	x24246
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x29786
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x15897
1928A	Rectangle Cutting geometry, math	800	x21648
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x19056
1927C	Choose the Different Ones! brute force, greedy, math	1000	x26257
1927B	Following the String constructive algorithms, greedy, strings	900	x31151
1927A	Make it White greedy, strings	800	x40647
1926D	Vlad and Division bitmasks, greedy	1300	x14270

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