2010 Final IPE_UNIXC-1151a question 3

#include <iostream>
using namespace std;
float findmax(float array[],int size);
int main()
{
      float marks1,marks2;
      float subjectcodes[5],avgmarks[5];
     
     
      for(int i=0;i<5;i++)
      {
      cout<<"Enter subject code :  ";
      cin>>subjectcodes[i];
      cout<<"Enter marks 1 : ";
      cin>>marks1;
      cout<<"Enter marks 2 : ";
      cin>>marks2;
      avgmarks[i]=(marks1+marks2)/2.0;
      }
      float max=findmax(avgmarks,5);
      cout<<"maximum avg is =  "<<max<<endl;
     
     


      return 0;

}

float  findmax(float array[],int size)
      {
      float max=0;
      for(int j=0;j<size;j++)
      {
      if(max<array[j])
{
      max=array[j];
     
}
      else
{
      max=max;
}
      }
      return max;
     
      }