There is a m*n grade given. Find the number of rectangles in the grid. Remember, a square is also a rectangle.
Please change the function call in the test suite to your_fcn_name(m,n) instead of your_fcn_name(x).
Please check the test cases. x???
Find the numeric mean of the prime numbers in a matrix.
All your base are belong to us
Basics: 'Find the eigenvalues of given matrix
Concatenate two strings
Are you in XY plane?
How many ways to write
How many ways to write a number
Choose group with people
odd number odd sum
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