Linear search of an array : array « Array « C++ Tutorial

1. C++ Tutorial
2. Array
3. array

#include <iostream>
using std::cout;
using std::cin;
using std::endl;

int linearSearch( const int [], int, int ); // prototype

int main()
{
   const int arraySize = 100;
   int a[ arraySize ];
   int searchKey = 28;

   for ( int i = 0; i < arraySize; i++ ) 
      a[ i ] = 2 * i;

   int element = linearSearch( a, searchKey, arraySize );

   cout << element << endl;
   return 0;
}

int linearSearch( const int array[], int key, int sizeOfArray )
{
   for ( int j = 0; j < sizeOfArray; j++ ){
      if ( array[ j ] == key ){
         return j;
      }
   }
   return -1;
}

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