1860D
Balanced String
dp
Rating 2200
原题Codeforces 训练
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题池总量
2,000
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每页数量
50
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已读取
1353F
Decreasing Heights
brute forcedp
Rating 2200
原题2056D
Unique Median
binary searchbrute forcecombinatoricsdata structuresdivide and conquerdp
Rating 2200
原题1389E
Calendar Ambiguity
mathnumber theory
Rating 2200
原题1406D
Three Sequences
constructive algorithmsdata structuresgreedymath
Rating 2200
原题1997E
Level Up
binary searchbrute forcedata structuresdivide and conquerimplementation
Rating 2200
原题1503C
Travelling Salesman Problem
binary searchdata structuresdpgreedyshortest pathssortingstwo pointers
Rating 2200
原题1656E
Equal Tree Sums
constructive algorithmsdfs and similarmathtrees
Rating 2200
原题1437E
Make It Increasing
binary searchconstructive algorithmsdata structuresdpimplementation
Rating 2200
原题551C
GukiZ hates Boxes
binary searchgreedy
Rating 2200
原题1110D
Jongmah
dp
Rating 2200
原题1467D
Sum of Paths
combinatoricsdpmath
Rating 2200
原题915D
Almost Acyclic Graph
dfs and similargraphs
Rating 2200
原题1156E
Special Segments of Permutation
data structuresdivide and conquerdsutwo pointers
Rating 2200
原题1336C
Kaavi and Magic Spell
dpstrings
Rating 2200
原题1567E
Non-Decreasing Dilemma
data structuresdivide and conquermath
Rating 2200
原题1470D
Strange Housing
constructive algorithmsdfs and similargraph matchingsgraphsgreedy
Rating 2200
原题1854B
Earn or Unlock
bitmasksbrute forcedp
Rating 2200
原题1428E
Carrots for Rabbits
binary searchdata structuresgreedymathsortings
Rating 2200
原题1520G
To Go Or Not To Go?
brute forcedfs and similargraphsgreedyimplementationshortest paths
Rating 2200
原题1474D
Cleaning
data structuresdpgreedymath
Rating 2200
原题2013E
Prefix GCD
brute forcedpgreedymathnumber theory
Rating 2200
原题282E
Sausage Maximization
bitmasksdata structurestrees
Rating 2200
原题903D
Almost Difference
data structuresmath
Rating 2200
原题1993D
Med-imize
binary searchdpgreedy
Rating 2200
原题1515E
Phoenix and Computers
combinatoricsdpmath
Rating 2200
原题1438D
Powerful Ksenia
bitmasksconstructive algorithmsmath
Rating 2200
原题7D
Palindrome Degree
hashingstrings
Rating 2200
原题1333F
Kate and imperfection
greedyimplementationmathnumber theorysortingstwo pointers
Rating 2200
原题1175E
Minimal Segment Cover
data structuresdfs and similardivide and conquerdpgreedyimplementationtrees
Rating 2200
原题1156D
0-1-Tree
dfs and similardivide and conquerdpdsutrees
Rating 2200
原题1110E
Magic Stones
constructive algorithmsmathsortings
Rating 2200
原题587C
Duff in the Army
data structurestrees
Rating 2200
原题1967B2
Reverse Card (Hard Version)
brute forcemathnumber theory
Rating 2200
原题280C
Game on Tree
implementationmathprobabilitiestrees
Rating 2200
原题13C
Sequence
dpsortings
Rating 2200
原题1485D
Multiples and Power Differences
constructive algorithmsgraphsmathnumber theory
Rating 2200
原题1092D1
Great Vova Wall (Version 1)
greedyimplementationmath
Rating 2200
原题1407D
Discrete Centrifugal Jumps
data structuresdpgraphs
Rating 2200
原题1537E2
Erase and Extend (Hard Version)
binary searchdata structuresgreedyhashingstring suffix structuresstringstwo pointers
Rating 2200
原题1400E
Clear the Multiset
data structuresdivide and conquerdpgreedy
Rating 2200
原题11D
A Simple Task
bitmasksdpgraphs
Rating 2200
原题833B
The Bakery
binary searchdata structuresdivide and conquerdptwo pointers
Rating 2200
原题559C
Gerald and Giant Chess
combinatoricsdpmathnumber theory
Rating 2200
原题628D
Magic Numbers
dp
Rating 2200
原题570D
Tree Requests
binary searchbitmasksconstructive algorithmsdfs and similargraphstrees
Rating 2200
原题165E
Compatible Numbers
bitmasksbrute forcedfs and similardp
Rating 2200
原题617E
XOR and Favorite Number
data structures
Rating 2200
原题52C
Circular RMQ
data structures
Rating 2200
原题86D
Powerful array
data structuresimplementationmathtwo pointers
Rating 2200
原题