ID  NAME  QUALITY  USERS  ACC %  DIFFICULTY C I 

4533  Determinant of Banded Matrices  16 


2832  Find The Determinant III  1  251 


5468  Going to school  7  298 


18261  Maggu and Weird things  20 


11050  R Numbers  14  227 


5010  Lost in Madrid  1  183 


5703  Primes of Lambda  1  19 


18186  Machine Mayhem  2  9 


31362  Matrix Multiplication 4K  2 


31374  Matrix Multiplication 2K  1  9 


22169  Power of matrix  25  1132 


21463  Arithmetic Rectangle  21 

#matrix
The problem involves matrix theory. Matrix is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns that is treated in certain ways
https://en.wikipedia.org/wiki/Matrix_(mathematics) https://en.wikipedia.org/wiki/Matrix_multiplication https://en.wikipedia.org/wiki/Determinant