ID NAME QUALITY USERS ACC % DIFFICULTY C I
4533 Determinant of Banded Matrices   16
2832 Find The Determinant III   1 293
17
9
5468 Going to school   8 322
15
34
18261 Maggu and Weird things   24
1
1
11050 R Numbers   15 256
29
33
5010 Lost in Madrid   1 189
1
1
5703 Primes of Lambda   2 22
42
42
18186 Machine Mayhem   4 13
34
37
31362 Matrix Multiplication 4K   5
17
17
31374 Matrix Multiplication 2K   1 30
26
9
22169 Power of matrix   25 1738
16
14
21463 Arithmetic Rectangle   36

#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