PROGRAMMING:Find the maximum number and column number in the two-dimensional array
Finding an arbitrary M × The maximum number of M-matrix and the number of its rows and columns
###Input format:
Enter m (2 < = m < = 20) and matrix elements (only int type is considered) from the keyboard.
###Output format:
The maximum number in the output array and the row and column of the maximum number
###Input example:
```in
three
8 6 2
5 7 1
4 9 5
```
###Output example:
```out
max=9,i=2,j=1
```
answer：If there is no answer, please comment
###Input format:
Enter m (2 < = m < = 20) and matrix elements (only int type is considered) from the keyboard.
###Output format:
The maximum number in the output array and the row and column of the maximum number
###Input example:
```in
three
8 6 2
5 7 1
4 9 5
```
###Output example:
```out
max=9,i=2,j=1
```
answer：If there is no answer, please comment