Question

C++ Visual Studio (#include <stdio.h> - NO iostream)

Assume this code:

int arr[10];

1. Now write code that fills the array with 10 values of your choosing.
2. Now write code that calculates the average of the first and the last elements of arr.
3. Now print the the calculated average.

Answer 1

ANSWER: Here I am giving you the code and output if you have any problem then comment like it please.

CODE:

#include <stdio.h>

int main()

{
int arr[10];
printf("Enter 10 numbers : ");
for(int i=0;i<10;i++)
{
scanf("%d",&arr[i]);
}
printf("\nYour array is: ");
for(int j=0;j<10;j++)
printf("%d ",arr[j]);
  
float sum=arr[0]+arr[9];
float avg= sum/2;
printf("\nAverage of the first and last number is :%.2f",avg);
return 0;
}

OUTPUT: