Problemset - Codeforces

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Codeforces Round 953 (Div. 2)
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Problems

#	Name
1985H2	Maximize the Largest Component (Hard Version) data structures, dfs and similar, dp, dsu, implementation		x697
1985H1	Maximize the Largest Component (Easy Version) brute force, data structures, dfs and similar, dsu, graphs, implementation		x2996
1985D	Manhattan Circle implementation, math		x24808
1985A	Creating Words implementation, strings		x35419
1984G	Magic Trick II constructive algorithms, implementation, sortings	3200	x105
1984D	''a'' String Problem brute force, hashing, implementation, math, string suffix structures, strings	2000	x2183
1984B	Large Addition implementation, math	1100	x13073
1981C	Turtle and an Incomplete Sequence bitmasks, brute force, constructive algorithms, greedy, implementation, math	1800	x3709
1980E	Permutation of Rows and Columns constructive algorithms, data structures, greedy, hashing, implementation, math, matrices, sortings	1600	x7743
1980D	GCD-sequence greedy, implementation, math, number theory	1400	x10796
1979E	Manhattan Triangle binary search, constructive algorithms, data structures, geometry, implementation, two pointers	2400	x920
1979A	Guess the Maximum brute force, greedy, implementation	800	x23857
1976D	Invertible Bracket Sequences binary search, combinatorics, data structures, divide and conquer, implementation, two pointers	2000	x3119
1976C	Job Interview binary search, dp, greedy, implementation, two pointers	1600	x8026
1976B	Increase/Decrease/Copy greedy, implementation	1100	x18316
1976A	Verify Password implementation, sortings, strings	800	x23774
1975E	Chain Queries binary search, data structures, dfs and similar, implementation, trees	2100	x1749
1975A	Bazoka and Mocha's Array brute force, greedy, implementation, sortings	800	x16292
1974F	Cutting Game binary search, brute force, data structures, implementation, sortings, two pointers	1900	x2885
1974D	Ingenuity-2 constructive algorithms, greedy, implementation	1400	x12210
1974B	Symmetric Encoding implementation, sortings, strings	800	x26972
1973F	Maximum GCD Sum Queries bitmasks, brute force, dp, implementation, number theory	3100	x157
1973C	Cat, Fox and Double Maximum constructive algorithms, greedy, implementation, math, sortings	1700	x6935
1973A	Chess For Three brute force, dp, implementation, math	900	x20875
1971F	Circle Perimeter binary search, brute force, dfs and similar, geometry, implementation, math	1600	x8154
1971D	Binary Cut dp, greedy, implementation, sortings, strings	1100	x22168
1971C	Clock and Strings implementation	900	x27707
1971B	Different String implementation, strings	800	x31465
1971A	My First Sorting Problem implementation, sortings	800	x38003
1970F3	Playing Quidditch (Hard) implementation	2300	x289
1970F2	Playing Quidditch (Medium) implementation	2300	x280
1970F1	Playing Quidditch (Easy) implementation	2300	x351
1970A1	Balanced Shuffle (Easy) implementation, sortings	1000	x3179
1969F	Card Pairing dp, greedy, hashing, implementation	3000	x164
1969C	Minimizing the Sum dp, implementation	1700	x6983
1969A	Two Friends constructive algorithms, implementation, math	800	x17795
1967F	Next and Prev brute force, data structures, implementation	3200	x45
1967D	Long Way to be Non-decreasing binary search, dfs and similar, graphs, implementation, shortest paths, two pointers	2800	x513
1967A	Permutation Counting binary search, greedy, implementation, math, sortings	1400	x10466
1966B	Rectangle Filling constructive algorithms, implementation	1100	x13013
1957B	A BIT of a Construction bitmasks, constructive algorithms, greedy, implementation	1100	x16124
1956E2	Nene vs. Monsters (Hard Version) brute force, greedy, implementation, math	2700	x728
1956E1	Nene vs. Monsters (Easy Version) brute force, implementation, math	2500	x1304
1956D	Nene and the Mex Operator bitmasks, brute force, constructive algorithms, divide and conquer, dp, greedy, implementation, math	2000	x3435
1955G	GCD on a grid brute force, dfs and similar, dp, implementation, math, number theory	1900	x3805
1955E	Long Inversions brute force, greedy, implementation, sortings	1700	x7616
1955C	Inhabitant of the Deep Sea greedy, implementation, math	1300	x18931
1955B	Progressive Square constructive algorithms, data structures, implementation, sortings	1000	x25075
1954E	Chain Reaction binary search, data structures, dsu, greedy, implementation, math, number theory	2200	x1926
1954B	Make It Ugly implementation, math	1200	x16543
1952J	Help, what does it mean to be "Based" brute force, constructive algorithms, expression parsing, implementation, sortings		x713
1952H	Palindrome implementation, strings		x367
1952D	Are You a Procrastinator? implementation		x4282
1951E	No Palindromes brute force, constructive algorithms, divide and conquer, greedy, hashing, implementation, math, strings	2000	x3205
1950G	Shuffling Songs bitmasks, dfs and similar, dp, graphs, hashing, implementation, strings	1900	x3753
1950F	0, 1, 2, Tree! bitmasks, brute force, greedy, implementation, trees	1700	x8053
1950E	Nearly Shortest Repeating Substring brute force, implementation, number theory, strings	1500	x12773
1950D	Product of Binary Decimals brute force, dp, implementation, number theory	1100	x21255
1950C	Clock Conversion implementation, math	800	x36451
1950B	Upscaling implementation	800	x34824
1950A	Stair, Peak, or Neither? implementation	800	x46176
1949J	Amanda the Amoeba graphs, implementation, trees, two pointers	2600	x329
1948E	Clique Partition brute force, constructive algorithms, graphs, greedy, implementation	2100	x2710
1948B	Array Fix brute force, dp, greedy, implementation	1100	x21104
1946D	Birthday Gift bitmasks, brute force, constructive algorithms, greedy, implementation	1900	x4222
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x9555
1946A	Median of an Array greedy, implementation, sortings	800	x24431
1945G	Cook and Porridge binary search, constructive algorithms, data structures, implementation	2500	x656
1943B	Non-Palindromic Substring hashing, implementation, math, strings	2000	x3452
1942F	Farmer John's Favorite Function brute force, data structures, implementation, math	2700	x602
1942D	Learning to Paint binary search, data structures, dfs and similar, dp, greedy, implementation, sortings	2100	x2533
1941D	Rudolf and the Ball Game dfs and similar, dp, implementation	1200	x17104
1940B	Three Arrays *special problem, constructive algorithms, implementation, sortings		x178
1937B	Binary Path dp, greedy, implementation	1300	x13595
1937A	Shuffle Party implementation, math	800	x21975
1936C	Pokémon Arena data structures, graphs, greedy, implementation, shortest paths, sortings	2400	x1146
1936B	Pinball binary search, data structures, implementation, math, two pointers	2000	x2542
1935F	Andrey's Tree binary search, constructive algorithms, data structures, dfs and similar, dsu, greedy, implementation, trees	2800	x405
1935D	Exam in MAC binary search, combinatorics, implementation, math	1800	x7542
1933E	Turtle vs. Rabbit Race: Optimal Trainings binary search, implementation, math, ternary search	1500	x10092
1933C	Turtle Fingers: Count the Values of k brute force, implementation, math, number theory	1100	x21094
1933B	Turtle Math: Fast Three Task implementation, math, number theory	800	x30624
1932E	Final Countdown implementation, math, number theory	1600	x7204
1932D	Card Game greedy, implementation	1400	x10323
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x14260
1932A	Thorns and Coins dp, greedy, implementation	800	x27518
1930D2	Sum over all Substrings (Hard Version) bitmasks, divide and conquer, dp, dsu, greedy, implementation, strings	2100	x2433
1928F	Digital Patterns combinatorics, data structures, implementation, math	2900	x218
1927F	Microcycle data structures, dfs and similar, dsu, graphs, greedy, implementation, sortings, trees	1900	x3936
1926G	Vlad and Trouble at MIT dfs and similar, dp, flows, graphs, greedy, implementation, trees	1900	x3103
1926F	Vlad and Avoiding X bitmasks, brute force, dfs and similar, dp, implementation	2200	x1548
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x10612
1926C	Vlad and a Sum of Sum of Digits dp, implementation	1200	x24122
1926B	Vlad and Shapes geometry, implementation	800	x30568
1926A	Vlad and the Best of Five implementation	800	x43683
1924B	Space Harbour data structures, implementation, math, sortings	2100	x2328
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x341
1923B	Monsters Attack! dp, greedy, implementation	1100	x16559
1923A	Moving Chips greedy, implementation	800	x23623
1922D	Berserk Monsters brute force, data structures, dsu, implementation, math	1900	x5322

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