C program to calculate sum and average of n numbers.

#include<stdio.h>

#include<conio.h>

#include<math.h>

void main(){

float sum=0,avg=0,n;

int i=0;

char ch='y';

while (ch=='y' || ch=='Y'){

clrscr();

printf("Enter a number\n");

scanf("%f",&n);

sum=sum+n;

i++;

printf("Do you want to add another number\n press Y if not press N\n");

fflush(stdin);

scanf("%c",&ch);

}

avg=sum/i;

printf("sum = %f\n and average = %f\n Total numbers are = %d",sum,avg,i);

getch();

}