Remote Training on Programming

Average arithmetic

 

To define an average arithmetic all positive elements of a matrix (a matrix not square) the sizes N*M (N and M it is no more 10). A matrix to generate from random numbers in a range from-100 to 100.

 

Input data

The sizes of a matrix are set by input about keyboards (integers) through ENTER.

 

Output data

Quantity of negative, non-negative elements are deduced since a new line. An average arithmetic all non-negative elements are deduced too since a new line + one blank. Value average arithmetic two signs after a comma, for example: 2.83

 

Example input data

3

2

7

-6

0

0

2

-4

 

Example output data

2

4

 2.25

 

The author

Bogdanova E.A.