2x2 Matrix Multiply
Medium
Computer Mathematics
Matrices
24 views
Problem Statement
Multiply two 2x2 matrices.
Input Format
Eight integers a11 a12 a21 a22 b11 b12 b21 b22.
Output Format
Four integers of product row-wise.
Example
1 2 3 4 5 6 7 8
19 22 43 50
Constraints
Values fit 64-bit
Input / Output Format
Input Format
Eight integers a11 a12 a21 a22 b11 b12 b21 b22.
Output Format
Four integers of product row-wise.
Constraints
Values fit 64-bit
Examples
Input:
1 2 3 4 5 6 7 8
Output:
19 22 43 50
Example Solution (Public)
Compute c11=a11*b11+a12*b21, c12=a11*b12+a12*b22, c21=a21*b11+a22*b21, c22=a21*b12+a22*b22.
Official Solution Code
Compute c11=a11*b11+a12*b21, c12=a11*b12+a12*b22, c21=a21*b11+a22*b21, c22=a21*b12+a22*b22.
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