Practical 9

#include <iostream>
#define ROWS 4
#define COLS 3
using namespace std;

int find_largest(int arr[][COLS],int rows);

int main(void)
{
    int arr[ROWS][COLS] = { {6,8,9},{60,80,90},{10,61,9},{55,84,79} };
    cout << "Largest = " << find_largest(arr, ROWS) <<endl;
    return 0;
}

int find_largest(int arr[][COLS],int rows)
{
    int largest = arr[0][0];
        for (int row = 0; row < rows; row++)
            for (int col= 0; col < COLS; col++)
                if (arr[row][col]>largest)
                    largest = arr[row][col];
    return largest;
}