ID NAME QUALITY USERS ACC % DIFFICULTY C I
4533 Determinant of Banded Matrices   16
2832 Find The Determinant III   1 251
17
9
5468 Going to school   7 298
15
34
18261 Maggu and Weird things   20
1
1
11050 R Numbers   14 227
28
33
5010 Lost in Madrid   1 183
1
1
5703 Primes of Lambda   1 19
34
34
18186 Machine Mayhem   2 9
34
34
31362 Matrix Multiplication 4K   2
17
17
31374 Matrix Multiplication 2K   1 9
26
9
22169 Power of matrix   25 1132
16
14
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