ID NAME QUALITY USERS ACC % DIFFICULTY C I
4533 Determinant of Banded Matrices   21
2832 Find The Determinant III   1 308
17
9
5468 Going to school   9 330
17
34
18261 Maggu and Weird things   25
1
1
11050 R Numbers   17 266
28
32
5010 Lost in Madrid   1 194
1
1
5703 Primes of Lambda   2 24
42
42
18186 Machine Mayhem   4 14
34
37
31362 Matrix Multiplication 4K   5
17
17
31374 Matrix Multiplication 2K   1 35
26
9
22169 Power of matrix   25 1812
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