Module Introduction to combinatorics

Introduction to combinatorics

**Frequency: 7/10** Combinatorics problems are quite common in Competitive Programming.

Resources

Tài liệu Tiếng Anh: - [CP Algorithms: Binomial Coefficients](https://cp-algorithms.com/combinatorics/binomial-coefficients.html) - [CP Algorithms: Stars and bars](https://cp-algorithms.com/combinatorics/stars_and_bars.html)

Problems

Binomial coefficient 349 / 403 1000
Fork and knife 296 / 302 1100
Binomial coefficient 2 238 / 266 1100
Equation 251 / 259 1300
Array rearrangement 239 / 246 1300
Value of subsequences 205 / 215 1400
Inequation 194 / 199 1400
Growing mushrooms 194 / 196 1500
Binary matrix 99 / 116 1600
Broken board 57 / 68 1600
Triangles counting 47 / 84 1800
Minecraft graph 18 / 21 1800
Restricted path 32 / 37 1900
Heavenly Peach Garden 12 / 16 2000