Problemset - Codeforces

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implementation

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Problems

#	Name
1970F3	Playing Quidditch (Hard) implementation		x190
1970F2	Playing Quidditch (Medium) implementation		x197
1970F1	Playing Quidditch (Easy) implementation		x263
1970A1	Balanced Shuffle (Easy) implementation, sortings		x1496
1969F	Card Pairing dp, greedy, hashing, implementation	3000	x96
1969C	Minimizing the Sum dp, implementation	1700	x5322
1969A	Two Friends constructive algorithms, implementation, math	800	x14499
1967F	Next and Prev brute force, data structures, implementation		x20
1967D	Long Way to be Non-decreasing binary search, dfs and similar, graphs, implementation, shortest paths, two pointers		x357
1967A	Permutation Counting binary search, greedy, implementation, math, sortings		x7937
1966B	Rectangle Filling constructive algorithms, implementation	1100	x10545
1957B	A BIT of a Construction bitmasks, constructive algorithms, greedy, implementation	1100	x14438
1956E2	Nene vs. Monsters (Hard Version) brute force, greedy, implementation, math	2700	x638
1956E1	Nene vs. Monsters (Easy Version) brute force, implementation, math	2500	x1175
1956D	Nene and the Mex Operator bitmasks, brute force, constructive algorithms, divide and conquer, dp, greedy, implementation, math	2000	x3091
1955G	GCD on a grid brute force, dfs and similar, dp, implementation, math, number theory	1900	x3366
1955E	Long Inversions brute force, greedy, implementation, sortings	1700	x6998
1955C	Inhabitant of the Deep Sea greedy, implementation, math	1300	x17504
1955B	Progressive Square constructive algorithms, data structures, implementation, sortings	1000	x23476
1954E	Chain Reaction binary search, data structures, dsu, greedy, implementation, math, number theory	2200	x1730
1954B	Make It Ugly implementation, math	1200	x15120
1952J	Help, what does it mean to be "Based" brute force, constructive algorithms, expression parsing, implementation, sortings		x688
1952H	Palindrome implementation, strings		x348
1952D	Are You a Procrastinator? implementation		x4127
1951E	No Palindromes brute force, constructive algorithms, divide and conquer, greedy, hashing, implementation, math, strings	2000	x2973
1950G	Shuffling Songs bitmasks, dfs and similar, dp, graphs, hashing, implementation, strings	1900	x3427
1950F	0, 1, 2, Tree! bitmasks, brute force, greedy, implementation, trees	1700	x7475
1950E	Nearly Shortest Repeating Substring brute force, implementation, number theory, strings	1500	x11772
1950D	Product of Binary Decimals brute force, dp, implementation, number theory	1100	x20039
1950C	Clock Conversion implementation, math	800	x34647
1950B	Upscaling implementation	800	x33079
1950A	Stair, Peak, or Neither? implementation	800	x43336
1949J	Amanda the Amoeba graphs, implementation, trees, two pointers	2600	x307
1948E	Clique Partition brute force, constructive algorithms, graphs, greedy, implementation	2100	x2604
1948B	Array Fix brute force, dp, greedy, implementation	1100	x20380
1946D	Birthday Gift bitmasks, brute force, constructive algorithms, greedy, implementation	1900	x3984
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x9011
1946A	Median of an Array greedy, implementation, sortings	800	x23381
1945G	Cook and Porridge binary search, constructive algorithms, data structures, implementation	2500	x622
1943B	Non-Palindromic Substring hashing, implementation, math, strings	2000	x3257
1942F	Farmer John's Favorite Function brute force, data structures, implementation, math	2700	x553
1942D	Learning to Paint binary search, data structures, dfs and similar, dp, greedy, implementation, sortings	2100	x2399
1941D	Rudolf and the Ball Game dfs and similar, dp, implementation	1200	x16516
1940B	Three Arrays *special problem, constructive algorithms, implementation, sortings		x173
1937B	Binary Path dp, greedy, implementation	1300	x13024
1937A	Shuffle Party implementation, math	800	x21386
1936C	Pokémon Arena data structures, graphs, greedy, implementation, shortest paths, sortings	2400	x1078
1936B	Pinball binary search, data structures, implementation, math, two pointers	2000	x2423
1935F	Andrey's Tree binary search, constructive algorithms, data structures, dfs and similar, dsu, greedy, implementation, trees	2800	x391
1935D	Exam in MAC binary search, combinatorics, implementation, math	1800	x7292
1933E	Turtle vs. Rabbit Race: Optimal Trainings binary search, implementation, math, ternary search	1500	x9661
1933C	Turtle Fingers: Count the Values of k brute force, implementation, math, number theory	1100	x20414
1933B	Turtle Math: Fast Three Task implementation, math, number theory	800	x29827
1932E	Final Countdown implementation, math, number theory	1600	x6754
1932D	Card Game greedy, implementation	1400	x9844
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x13611
1932A	Thorns and Coins dp, greedy, implementation	800	x26615
1930D2	Sum over all Substrings (Hard Version) bitmasks, divide and conquer, dp, dsu, greedy, implementation, strings	2100	x2357
1928F	Digital Patterns combinatorics, data structures, implementation, math	2900	x209
1927F	Microcycle data structures, dfs and similar, dsu, graphs, greedy, implementation, sortings, trees	1900	x3776
1926G	Vlad and Trouble at MIT dfs and similar, dp, flows, graphs, greedy, implementation, trees	1900	x2931
1926F	Vlad and Avoiding X bitmasks, brute force, dfs and similar, dp, implementation	2200	x1475
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x9957
1926C	Vlad and a Sum of Sum of Digits dp, implementation	1200	x22998
1926B	Vlad and Shapes geometry, implementation	800	x29659
1926A	Vlad and the Best of Five implementation	800	x41862
1924B	Space Harbour data structures, implementation, math, sortings	2100	x2273
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x328
1923B	Monsters Attack! dp, greedy, implementation	1100	x16105
1923A	Moving Chips greedy, implementation	800	x23203
1922D	Berserk Monsters brute force, data structures, dsu, implementation, math	1900	x5218
1922C	Closest Cities greedy, implementation, math	1300	x16836
1922A	Tricky Template constructive algorithms, implementation, strings	800	x25854
1921G	Mischievous Shooter brute force, data structures, divide and conquer, dp, implementation	2200	x1119
1921F	Sum of Progression brute force, data structures, dp, implementation, math	1900	x3430
1921B	Arranging Cats greedy, implementation	800	x31933
1920D	Array Repetition binary search, brute force, dsu, implementation, math	1900	x5084
1919E	Counting Prefixes combinatorics, constructive algorithms, dp, implementation, math	2600	x774
1918F	Caterpillar on a Tree dfs and similar, graphs, greedy, implementation, sortings, trees	2500	x770
1918E	ace5 and Task Order constructive algorithms, divide and conquer, implementation, interactive, probabilities, sortings	2200	x1547
1918D	Blocking Elements binary search, data structures, dp, implementation, two pointers	1900	x4245
1918C	XOR-distance bitmasks, greedy, implementation, math	1400	x12505
1918B	Minimize Inversions constructive algorithms, data structures, greedy, implementation, sortings	900	x22056
1918A	Brick Wall constructive algorithms, greedy, implementation, math	800	x28703
1917D	Yet Another Inversions Problem combinatorics, data structures, dp, implementation, math, number theory	2300	x1653
1917C	Watering an Array brute force, greedy, implementation, math	1600	x9369
1916C	Training Before the Olympiad constructive algorithms, games, greedy, implementation, math	1200	x16640
1916A	2023 constructive algorithms, implementation, math, number theory	800	x24503
1915G	Bicycles graphs, greedy, implementation, shortest paths, sortings	1800	x5407
1915D	Unnatural Language Processing greedy, implementation, strings	900	x27619
1915C	Can I Square? binary search, implementation	800	x37462
1915B	Not Quite Latin Square bitmasks, brute force, implementation	800	x38456
1915A	Odd One Out bitmasks, implementation	800	x49572
1914D	Three Activities brute force, dp, greedy, implementation, sortings	1200	x18116
1914A	Problemsolving Log implementation, strings	800	x29624
1913A	Rating Increase implementation	800	x22263
1912E	Evaluate It and Back Again constructive algorithms, implementation, math	2200	x772
1912A	Accumulator Apex data structures, implementation, sortings	1900	x1870
1910C	Poisonous Swamp special problem, special problem, implementation, implementation	1600	x573
1910A	Username *special problem, implementation	1100	x1574

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