Dsa
Matrix
Easy
Identical Rows Count
Count the number of rows in a matrix that are identical to one another. Two rows are considered identical if all corresponding elements are the same.
Input Format:
The first line contains two integers M and N, the number of rows and columns.
The next M lines each contain N integers representing the elements of the matrix.
Output Format:
Print an integer representing the count of identical rows.
Example:
Input:
3 4
1 2 3 4
1 2 3 4
5 6 7 8
Output:
2
Key concepts
matrixcounthashing
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