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codeforces

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全部文章 / codeforces （共323篇）

C. Vasily the Bear and Sequence Codeforces 336C(枚举，思维)

C. Vasily the Bear and Sequence time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output ...

2019-10-25

0 596

Vasya and Beautiful Arrays CodeForces - 354C (数论，枚举)

Vasya and Beautiful Arrays CodeForces - 354C Vasya's got a birthday coming up and his mom decided to give him an array of positive integers a of le...

2019-10-25

0 374

Vasya and Beautiful Arrays CodeForces - 354C (数论，枚举)

Vasya and Beautiful Arrays CodeForces - 354C Vasya's got a birthday coming up and his mom decided to give him an array of positive integers a of len...

2019-10-25

0 527

D. Happy Tree Party CodeForces 593D【树链剖分，树边权转点权】

Codeforces Round #329 (Div. 2) D. Happy Tree Party time limit per test 3 seconds memory limit per test 256 megabytes input standard input outp...

2019-10-20

0 349

D. Happy Tree Party CodeForces 593D【树链剖分，树边权转点权】

Codeforces Round #329 (Div. 2) D. Happy Tree Party time limit per test 3 seconds memory limit per test 256 megabytes input standard input outp...

2019-10-20

0 413

Educational Codeforces Round 40 G. Castle Defense （二分+滑动数组+greedy）

G. Castle Defense time limit per test 1.5 seconds memory limit per test 256 megabytes input standard input output standard output Today you a...

2019-10-19

0 348

Educational Codeforces Round 40 G. Castle Defense （二分+滑动数组+greedy）

G. Castle Defense time limit per test 1.5 seconds memory limit per test 256 megabytes input standard input output standard output Today you a...

2019-10-19

0 614

Educational Codeforces Round 40 C. Matrix Walk( 思维)

Educational Codeforces Round 40 (Rated for Div. 2) C. Matrix Walk time limit per test 1 second memory limit per test 256 megabytes input standa...

2019-10-19

0 295

Educational Codeforces Round 40 C. Matrix Walk( 思维)

Educational Codeforces Round 40 (Rated for Div. 2) C. Matrix Walk time limit per test 1 second memory limit per test 256 megabytes input standa...

2019-10-19

0 469

【CodeForces】915 G. Coprime Arrays 莫比乌斯反演,前缀和，差分

Coprime Arrays CodeForces - 915G Let's call an array a of size n coprime iff gcd(a1, a2, ..., a**n) = 1, where gcd is the greatest common divisor o...

2019-10-08

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