Question

Write a program in JAVA to check whether a series belongs to PseudoArithmetic sequence.
The logic is given in the comments down

Answer 1

$code \: is \: ready................check \: out \: \\ bug \: if \: you \: see \: out \: tell \: me \: in \: \\ comment$
$= = = = = = = = = = = = = = = = = =$
import java.util.Scanner;

public class Program

{
public static void main(String[] args) {

Scanner sc=new Scanner(System.in);

int n=sc.nextInt();

int []a=new int[n];

System.out.println("enter the sequence values");

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

a[i]=sc.nextInt();

}

int sum=a[0]+a[(a.length-1)];

if(n%2==0){

int c=0;

for(int i=0;i<n/2;i++){

int temp_sum=a[i]+a[(a.length-1)-i];

if(temp_sum==sum)

continue;

else{

System.out.println("not a pesudo arithemitic sequence");

c++;

}

break;

}

if(c==0)

System.out.println("sum of pesudo arithmetic number is:" +(sum*(n/2)));

}

else{

int c=0;

for(int i=0;i<n/2;i++){

int temp_sum1;

if(i!=(n/2)+1){

temp_sum1=a[i]+a[(a.length-1)-i];}

else{

a[(a.length-1)-i]=a[i];

temp_sum1=a[i]+a[(a.length-1)-i];

}

if(temp_sum1==sum)

continue;

else{

System.out.println("not a pesudo arithemitic sequence");

c++;

}

break;

}

if(c==0)

System.out.println("sum of pesudo arithmetic number is:" +(sum*((n/2)+1)));

}

}
}