1688C
Manipulating History
constructive algorithmsgreedystrings
Rating 1700
原题Codeforces 训练
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当前只展示本地数据库中的 Codeforces 最小元数据：名称、Rating、标签和原题链接。
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50
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已读取
1835A
k-th equality
brute forceimplementationmath
Rating 1700
原题1361A
Johnny and Contribution
constructive algorithmsgraphsgreedysortings
Rating 1700
原题1422C
Bargain
combinatoricsdpmath
Rating 1700
原题1260C
Infinite Fence
greedymathnumber theory
Rating 1700
原题2122C
Manhattan Pairs
constructive algorithmsgeometrygreedymathsortings
Rating 1700
原题279C
Ladder
dpimplementationtwo pointers
Rating 1700
原题1472E
Correct Placement
binary searchdata structuresdpsortingstwo pointers
Rating 1700
原题1690F
Shifting String
graphsmathnumber theorystrings
Rating 1700
原题1779D
Boris and His Amazing Haircut
constructive algorithmsdata structuresdpdsugreedysortings
Rating 1700
原题1268A
Long Beautiful Integer
constructive algorithmsgreedyimplementationstrings
Rating 1700
原题1497E1
Square-Free Division (easy version)
data structuresdpgreedymathnumber theorytwo pointers
Rating 1700
原题1157C2
Increasing Subsequence (hard version)
greedy
Rating 1700
原题1592C
Bakry and Partitioning
bitmasksconstructive algorithmsdfs and similardpgraphstrees
Rating 1700
原题1476D
Journey
dfs and similardpdsuimplementation
Rating 1700
原题1157E
Minimum Array
binary searchdata structuresgreedy
Rating 1700
原题2163B
Siga ta Kymata
constructive algorithmsgreedyimplementationmath
Rating 1700
原题1430D
String Deletion
binary searchdata structuresgreedytwo pointers
Rating 1700
原题490C
Hacking Cypher
brute forcemathnumber theorystrings
Rating 1700
原题711C
Coloring Trees
dp
Rating 1700
原题1798C
Candy Store
greedymathnumber theory
Rating 1700
原题1702F
Equate Multisets
constructive algorithmsdata structuresgreedymathnumber theory
Rating 1700
原题1512G
Short Task
brute forcedpmathnumber theory
Rating 1700
原题2006A
Iris and Game on the Tree
constructive algorithmsdfs and similargamesgraphsgreedytrees
Rating 1700
原题2112D
Reachability and Tree
constructive algorithmsdfs and similargraphstrees
Rating 1700
原题1873H
Mad City
dfs and similardsugamesgraphsshortest pathstrees
Rating 1700
原题1594D
The Number of Imposters
constructive algorithmsdfs and similardpdsugraphs
Rating 1700
原题1693B
Fake Plastic Trees
dfs and similardpgreedytrees
Rating 1700
原题1228C
Primes and Multiplication
mathnumber theory
Rating 1700
原题1770C
Koxia and Number Theory
brute forcechinese remainder theoremmathnumber theory
Rating 1700
原题1881F
Minimum Maximum Distance
dfs and similardpgraphsshortest pathstrees
Rating 1700
原题1822G1
Magic Triples (Easy Version)
brute forcedata structuresmathnumber theory
Rating 1700
原题1714G
Path Prefixes
binary searchdata structuresdfs and similartrees
Rating 1700
原题1945E
Binary Search
binary searchconstructive algorithmsgreedy
Rating 1700
原题1916D
Mathematical Problem
brute forceconstructive algorithmsgeometrymath
Rating 1700
原题1692H
Gambling
data structuresdpgreedymath
Rating 1700
原题2071C
Trapmigiano Reggiano
constructive algorithmsdata structuresdfs and similardpgreedysortingstrees
Rating 1700
原题1973C
Cat, Fox and Double Maximum
constructive algorithmsgreedyimplementationmathsortings
Rating 1700
原题1392D
Omkar and Bed Wars
dpgreedy
Rating 1700
原题1301C
Ayoub's function
binary searchcombinatoricsgreedymathstrings
Rating 1700
原题2123F
Minimize Fixed Points
constructive algorithmsnumber theory
Rating 1700
原题1295B
Infinite Prefixes
mathstrings
Rating 1700
原题1658C
Shinju and the Lost Permutation
constructive algorithmsmath
Rating 1700
原题2031D
Penchick and Desert Rabbit
binary searchdata structuresdfs and similardpdsugreedyimplementationtwo pointers
Rating 1700
原题2018C
Tree Pruning
brute forcedfs and similargreedysortingstrees
Rating 1700
原题797C
Minimal string
data structuresgreedystrings
Rating 1700
原题1883E
Look Back
bitmasksgreedy
Rating 1700
原题1982D
Beauty of the mountains
brute forcedata structuresimplementationmathnumber theory
Rating 1700
原题1850H
The Third Letter
dfs and similardsugraphsgreedyimplementation
Rating 1700
原题1451D
Circle Game
gamesgeometrymath
Rating 1700
原题