Maximum Element in a Matrix
Scan a grid and report its largest value.
Input format
The first line has two integers R and C. Each of the next R lines has C space-separated integers describing one row of the matrix.
Output format
Print the largest value found anywhere in the matrix.
Constraints
- Values fit in a 64-bit signed integer
- Trailing whitespace and a trailing newline are ignored by the judge
Read from stdin, write to stdout. Sample cases below show the exact format.
Sample cases
Example 1
Input
2 2
1 9
4 3Expected output
9Example 2
Input
1 4
7 2 8 5Expected output
8