fork()==0世界线变动

容斥与鸽巢

发表于 2024-06-04 更新于 2024-06-13 分类于 Math

容斥与鸽巢

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polya计数

发表于 2024-06-04 更新于 2024-06-13 分类于 Math

polya计数

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排列组合

发表于 2024-06-04 更新于 2024-06-13 分类于 Math

排列组合

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Codeforces Round 935 (Div. 3)

发表于 2024-03-26 更新于 2024-06-12 分类于 codeforces ， contest

A. Setting up Camp

B. Fireworks

C. Left and Right Houses

D. Seraphim the Owl

E. Binary Search

F. Kirill and Mushrooms

G. Cook and Porridge

H. GCD is Greater

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Codeforces Round 939 (Div. 2)

发表于 2024-06-07 更新于 2024-06-12 分类于 codeforces ， contest

A. Nene's Game

B. Nene and the Card Game

C. Nene's Magical Matrix

D. Nene and the Mex Operator

E1. Nene vs. Monsters (Easy Version)

E2. Nene vs. Monsters (Hard Version)

F. Nene and the Passing Game

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Educational Codeforces Round 144 (Rated for Div. 2) 1796

发表于 2023-05-17 更新于 2024-06-12 分类于 codeforces ， contest

A. Typical Interview Problem

B. Asterisk-Minor Template

C. Maximum Set

D. Maximum Subarray

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Educational Codeforces Round 160 (Rated for Div. 2)

发表于 2024-02-07 更新于 2024-06-12 分类于 codeforces ， contest

A. Rating Increase

B. Swap and Delete

C. Game with Multiset

D. Array Collapse

E. Matrix Problem

F. Palindromic Problem

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