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% cat array_max.cpp
// Using arrays as arguments in a function call
// Determine the maximum element in an array

#include<iostream>
using namespace std;

int maxi( const int results[], int NUM_ITEMS ); // declaration

int main()
{
   const int NUM_ITEMS = 5;

   int max, score[NUM_ITEMS] = {22, 77, 44, 11, 33 };

   max = maxi( score, NUM_ITEMS ); // use the array name in the call

   cout << "The maximum number is " << max << endl;

   return 0;

}

int maxi( const int results[], int NUM_ITEMS )
{
   int i, max = results[0];
 
   for( i = 1; i < NUM_ITEMS; i++)
   {
     if( max < results[i] )
       max = results[i];
   }

   return max;

}

% g++ array_max.cpp
% a.out
The maximum number is 77