Problem
Count and print the total number of zeros in a matrix.
Input format
Input
input.txt
- First line: Two integers R and C (1 ≤ R, C ≤ 100) - Next R lines: C integers
Output format
Output
output.txt
- A single integer: number of zeros
Example
input
2 3 0 1 0 2 3 0
output
3
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Sample cases (from the problem)
Sample Case 1
Input
2 3 0 1 0 2 3 0
Expected output
3
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