A program to calculate sum and average of array element

#include<iostream.h>

usinf namespace std;

main( )

{

float abc[4] ,  sum, avg;

int  i;

for(i=0;i<=3;i++)

{

cout<<"enter the value"<<i<<endl;

cin>>abc[i];

}

sum=avg=0.0;

for(i=3;i>=0;i--)

sum=sum+abc[i]

avg=sum/4.0;

cout<<sum<<endl;

cout<<avg;

}