2056C
Palindromic Subsequences
brute forceconstructive algorithmsmath
Rating 1200
原题Codeforces 训练
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题池总量
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50
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已读取
1392C
Omkar and Waterslide
greedyimplementation
Rating 1200
原题1213C
Book Reading
math
Rating 1200
原题913B
Christmas Spruce
implementationtrees
Rating 1200
原题1384A
Common Prefixes
constructive algorithmsgreedystrings
Rating 1200
原题2072C
Creating Keys for StORages Has Become My Main Skill
bitmasksconstructive algorithmsgreedy
Rating 1200
原题1853B
Fibonaccharsis
binary searchbrute forcemath
Rating 1200
原题1982B
Collatz Conjecture
brute forceimplementationmathnumber theory
Rating 1200
原题2149D
A and B
strings
Rating 1200
原题1553C
Penalty
bitmasksbrute forcedpgreedy
Rating 1200
原题1990B
Array Craft
constructive algorithmsgreedy
Rating 1200
原题1916C
Training Before the Olympiad
constructive algorithmsgamesgreedyimplementationmath
Rating 1200
原题2137D
Replace with Occurrences
constructive algorithms
Rating 1200
原题353A
Domino
implementationmath
Rating 1200
原题1311B
WeirdSort
dfs and similarsortings
Rating 1200
原题2118B
Make It Permutation
constructive algorithms
Rating 1200
原题1736B
Playing with GCD
mathnumber theory
Rating 1200
原题1694B
Paranoid String
constructive algorithmsgreedy
Rating 1200
原题239A
Two Bags of Potatoes
greedyimplementationmath
Rating 1200
原题2065D
Skibidus and Sigma
greedysortings
Rating 1200
原题1928B
Equalize
binary searchgreedysortingstwo pointers
Rating 1200
原题1987C
Basil's Garden
dpgreedy
Rating 1200
原题1437B
Reverse Binary Strings
constructive algorithmsgreedy
Rating 1200
原题1935B
Informatics in MAC
constructive algorithms
Rating 1200
原题1941D
Rudolf and the Ball Game
dfs and similardpimplementation
Rating 1200
原题999C
Alphabetic Removals
implementation
Rating 1200
原题1656C
Make Equal With Mod
constructive algorithmsmathnumber theorysortings
Rating 1200
原题1362B
Johnny and His Hobbies
bitmasksbrute force
Rating 1200
原题2128C
Leftmost Below
greedymath
Rating 1200
原题2117C
Cool Partition
data structuresgreedy
Rating 1200
原题1669E
2-Letter Strings
data structuresmathstrings
Rating 1200
原题2134B
Add 0 or K
constructive algorithmsmathnumber theory
Rating 1200
原题1846C
Rudolf and the Another Competition
constructive algorithmsdata structuresdpgreedysortings
Rating 1200
原题1954B
Make It Ugly
implementationmath
Rating 1200
原题327B
Hungry Sequence
math
Rating 1200
原题2003C
Turtle and Good Pairs
constructive algorithmsgreedysortingsstrings
Rating 1200
原题1490D
Permutation Transformation
dfs and similardivide and conquerimplementation
Rating 1200
原题1512C
A-B Palindrome
constructive algorithmsimplementationstrings
Rating 1200
原题2020B
Brightness Begins
binary searchmath
Rating 1200
原题1669G
Fall Down
dfs and similarimplementation
Rating 1200
原题2005B2
The Strict Teacher (Hard Version)
binary searchgreedymathsortings
Rating 1200
原题1843D
Apple Tree
combinatoricsdfs and similardpmathtrees
Rating 1200
原题2121C
Those Who Are With Us
greedyimplementation
Rating 1200
原题1982C
Boring Day
binary searchdata structuresdpgreedytwo pointers
Rating 1200
原题1934B
Yet Another Coin Problem
brute forcedpgreedymath
Rating 1200
原题2123D
Binary String Battle
constructive algorithmsgamesgreedy
Rating 1200
原题1979C
Earning on Bets
binary searchcombinatoricsconstructive algorithmsnumber theory
Rating 1200
原题2117D
Retaliation
binary searchmathnumber theory
Rating 1200
原题1454C
Sequence Transformation
greedyimplementation
Rating 1200
原题1846D
Rudolph and Christmas Tree
constructive algorithmsgeometrymath
Rating 1200
原题