Sum and Averaage of elements of Array in C++

Write a program to find Sum and Average of elements of Array

#include
#include

void main()
{
int n ,a[20],sum=0,avg;
clrscr();
cout<<"enter size of array: ";
cin>>n;
cout<<"Enter elements of Array: ";
for(int i=0;i{
cin>>a[i];
}
cout<<"sum of elements of array: ";
for(i=0;i{
sum=sum+a[i];
}
cout<cout<<"Average of array elements is: ";
avg=sum/n;
cout<getch();
}

FACTORIALS OF A NUMBER IN C++

Write a program to find Factorials of a number

#include
#include
void main()
{
clrscr();
int n, fact=1;
cout<<"Enter the number: ";
cin>>n;
for ( int i=1; i<=n; i++)
{
fact= fact * i;
cout<}
cout<<"Factorial of this number is: ";
cout<getch();
}