NPTEL | Week 0: Assignment 3 Question 2 Introduction to Programming in C (14 Sep- 06 Nov) 2020.

        Introduction to Programming in C       

Assignment 3_Question 2:

In this question, you have to output the "moving average" of a

sequence of non-negative numbers. The moving average is the sequence

of averages of the last 2 entries. For the first number, no average

is output.

For example, if the sequence of numbers is

a1, a2, a3, a4, a5

then the 2-moving average is

(a1+a2)/2, (a2+a3)/2, (a3+a4)/2, (a4+a5)/2 

Input

-----

The input is a sequence of non-negative floating point numbers,

terminated by a -1. The -1 is not part of the sequence. There will be

at least 3 numbers in the sequence.

Output

--------------------------------------------------------------------------------------------

You have to output the moving average of the sequence. The output

should be printed correct to one digit after the decimal. 

Sample Input 1

-------------------------------------

1 2 3 -1

Sample Output 1

-------------------------

 1.5 2.5

PROGRAM:

#include<stdio.h>


int main()
{
  float a[100],b[100];int i=-1,n=0;
  float m;
  do
  {
    i++;
    scanf("%f",&a[i]);
 
  }while(a[i]!=-1);
  
  for(int j=0;a[j]!=-1;j++)
  { b[j]=a[j];
    n++;}
  
  for(int k=0;k<n-1;k++)
  {
    m=(b[k]+b[k+1])/2;
    printf("%.1f ",m);
  }
  
  
  return 0;
  
}
  

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