Maximum Value in a Two-Dimensional
Array
Using a 2D Array as a
Parameter
% cat array_max_2D.cpp
// Using arrays as arguments in a function call
// Function maxi2 returns the maximum element in the 2D array.
#include<iostream>
using namespace std;
const int NROWS=4, NCOLS=3;
int maxi2(int results[][NCOLS] ); // declaration
int main()
{
int max, score[NROWS][NCOLS] =
{7,4,2,11,9,8,2,2,0,5,6,7};
max = maxi2( score ); // call
cout << "The maximum number is " << max
<< endl;
return 0;
}
int maxi2( int results[][NCOLS] )
{
int i, j, max = results[0][0];
for( i = 0; i < NROWS; i++)
for(j = 0; j < NCOLS; j++)
{
if( max < results[i][j] )
max = results[i][j];
}
return max;
}
% g++ array_max_2D.cpp
% a.out
The maximum number is 11
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