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Codeforces 训练

题目中心

本地 Codeforces 精选题池,只保存最小元数据;按 Rating、标签和训练状态扫描后跳转原题练习。

题池总量: 2,000当前页: 19 / 40数据状态: 已读取

📅 Codeforces 比赛

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数据边界

这里不保存完整题面、样例或题解。点击原题链接后在 Codeforces 页面完成训练。

训练题池

精选题目

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。

题池总量
2,000
当前页
19 / 40
每页数量
50
数据状态
已读取

1622C

Set or Decrease

binary searchbrute forcegreedysortings
Rating 1600
原题

1829G

Hits Different

data structuresdpimplementationmath
Rating 1600
原题

372A

Counting Kangaroos is Fun

binary searchgreedysortingstwo pointers
Rating 1600
原题

1555D

Say No to Palindromes

brute forceconstructive algorithmsdpstrings
Rating 1600
原题

735D

Taxes

mathnumber theory
Rating 1600
原题

1610C

Keshi Is Throwing a Party

binary searchgreedy
Rating 1600
原题

75C

Modified GCD

binary searchnumber theory
Rating 1600
原题

1542C

Strange Function

mathnumber theory
Rating 1600
原题

1907E

Good Triples

brute forcecombinatoricsnumber theory
Rating 1600
原题

1344A

Hilbert's Hotel

mathnumber theorysortings
Rating 1600
原题

1513C

Add One

dpmatrices
Rating 1600
原题

1537E1

Erase and Extend (Easy Version)

binary searchbrute forcedpgreedyhashingimplementationstring suffix structuresstrings
Rating 1600
原题

1396A

Multiples of Length

constructive algorithmsgreedynumber theory
Rating 1600
原题

1886C

Decreasing String

implementationstrings
Rating 1600
原题

1519D

Maximum Sum of Products

brute forcedpimplementationmathtwo pointers
Rating 1600
原题

1730B

Meeting on the Line

binary searchgeometrygreedyimplementationmathternary search
Rating 1600
原题

1373D

Maximum Sum on Even Positions

divide and conquerdpgreedyimplementation
Rating 1600
原题

1334C

Circle of Monsters

brute forceconstructive algorithmsgreedymath
Rating 1600
原题

1475E

Advertising Agency

combinatoricsmathsortings
Rating 1600
原题

343B

Alternating Current

data structuresgreedyimplementation
Rating 1600
原题

1741E

Sending a Sequence Over the Network

dp
Rating 1600
原题

1358C

Celex Update

math
Rating 1600
原题

1702E

Split Into Two Sets

dfs and similardsugraphs
Rating 1600
原题

1843E

Tracking Segments

binary searchbrute forcedata structurestwo pointers
Rating 1600
原题

1514C

Product 1 Modulo N

greedynumber theory
Rating 1600
原题

1856C

To Become Max

binary searchbrute forcedata structuresdp
Rating 1600
原题

1234D

Distinct Characters Queries

data structures
Rating 1600
原题

1833E

Round Dance

dfs and similardsugraphsshortest paths
Rating 1600
原题

1633D

Make Them Equal

dpgreedy
Rating 1600
原题

1305C

Kuroni and Impossible Calculation

brute forcecombinatoricsmathnumber theory
Rating 1600
原题

1528A

Parsa's Humongous Tree

dfs and similardivide and conquerdpgreedytrees
Rating 1600
原题

1497C2

k-LCM (hard version)

constructive algorithmsmath
Rating 1600
原题

706C

Hard problem

dpstrings
Rating 1600
原题

1165D

Almost All Divisors

mathnumber theory
Rating 1600
原题

1353D

Constructing the Array

constructive algorithmsdata structuressortings
Rating 1600
原题

1920C

Partitioning the Array

brute forcemathnumber theory
Rating 1600
原题

1389B

Array Walk

brute forcedpgreedy
Rating 1600
原题

235A

LCM Challenge

number theory
Rating 1600
原题

1363C

Game On Leaves

gamestrees
Rating 1600
原题

1349A

Orac and LCM

data structuresmathnumber theory
Rating 1600
原题

510C

Fox And Names

dfs and similargraphssortings
Rating 1600
原题

1352G

Special Permutation

constructive algorithms
Rating 1600
原题

1336A

Linova and Kingdom

dfs and similardpgreedysortingstrees
Rating 1600
原题

1458A

Row GCD

mathnumber theory
Rating 1600
原题

1B

Spreadsheet

implementationmath
Rating 1600
原题

377A

Maze

dfs and similar
Rating 1600
原题

431C

k-Tree

dpimplementationtrees
Rating 1600
原题

1526C2

Potions (Hard Version)

data structuresgreedy
Rating 1600
原题

371C

Hamburgers

binary searchbrute force
Rating 1600
原题

1398C

Good Subarrays

data structuresdpmath
Rating 1600
原题