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Problem
Given two matrices A (R1 x C1) and B (R2 x C2), multiply them if C1 = R2.
Input format
Input
input.txt
- First line: R1 C1 - Next R1 lines: C1 integers each - Then: R2 C2 - Next R2 lines: C2 integers each
Output format
Output
output.txt
- Resulting matrix (R1 x C2) or "Invalid" if dimensions don't match
Example
input
2 3 1 2 3 4 5 6 3 2 7 8 9 10 11 12
output
58 64 139 154
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Sample cases (from the problem)
Sample Case 1
Input
2 3 1 2 3 4 5 6 3 2 7 8 9 10 11 12
Expected output
58 64 139 154
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