Program to find difference between two consecutive number

Program to calculate the difference between two consecutive number of an array in C++, Consecutive difference of elements in an array.

Consecutive difference of elements in Array

In this post we will be discussing about how to calculate the difference between two consecutive number in an array. Also, the required logic is discussed and the coding part is written in C++.

Problem Description

You are given with a circular array. Your task is calculate the difference between two consecutive number. And if difference is greater than ‘k’, print 1 else print 0

Input Description:

You are given two numbers ‘n’, ’m’. Next line contains n space separated integers.

Output Description:

Print 1 if the difference is greater than ‘m’.

Sample Input :

5 15
50 65 85 98 35

Sample Output :

0 1 0 1 0

Logic to follow to come-up with the solution :

1. Declare the required sets of variables to use in the code.

2. Input the user input size of the array and its elements.

3.Now iterate from initialization as 0 till the second last element.

4. And inside it finds the absolute difference of two consecutive numbers, also if the difference is greater than the inputted value then prints 1 or in other case print 0.

        (Absolute convert the -ve computed value into +ve. Ex. abs (-15) à 15)

5. Now iterate from second last element till the last element, this is done to compute the difference of last and first element of the array.

6. Similarly, inside it find the absolute difference of two consecutive numbers, also if the difference is greater than the inputted value then prints 1 or in other case print 0.

7. At last we get the required set of the 1’s and 0’s by computing the absolute difference.

Program to find difference between two consecutive number

Let’s write the required code for the problem :

Code :

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#include <iostream>
using namespace std;
int main() {

    int n,k;

    cin>>n>>k;

    int a[n];

    for(int i=0;i<n;i++)

    {

        cin>>a[i];

    }

    for(int i=0;i<n-1;i++)

    {

        if(abs(a[i]-a[i+1])>k)

        {

            cout<<"1 ";

        }

        if(abs(a[i]-a[i+1])<=k)

        {

            cout<<"0 ";

        }

    }

      for(int i=n-1;i<n;i++)

    {

        if(abs(a[n-1]-a[0])>k)

        {

            cout<<"1";

        }

        if(abs(a[n-1]-a[0])<=k)

        {

            cout<<"0";

        }

    }

    return 0;

}

    

Sample Test Cases have been passed successfully

The program to find the difference between two consecutive numbers of an array has been compiled successfully and the image is provided to show the compiled results.

You can run same set of code at this portal, click here to go to the online portal and just give required set of inputs and click on Execute to run the program.

If you liked this post, then share this with your friends and if anything is confusing or incorrect then let me know in the comment section.

Thanks from my side, this is Mayank, keep learning and exploring !!

Mayank Pathak is the editor and blogger at "The Coding Bro".He loves to codes, learn new technologies, and write the coding solutions and articles for the communities of learners, especiall…

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