package javaapplication3;
import java.util.Scanner;
public class JavaApplication3 {
void div(int a[],int k){
int gp[]={1,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,1};
int count=0;
for(int i=0;i<k;i++){
if(a[i]==gp[0]){
for(int j=i;j<17;j++){
a[j]=a[j]^gp[count++];}
count=0;
}
}
}
public static void main(String[] args) {
int a[]=new int[100];
int b[]=new int[100];
int len,k;
JavaApplication3 ob=new JavaApplication3();
System.out.println("Enter the length of the data frame");
Scanner sc=new Scanner(System.in);
len=sc.nextInt();
int flag=0;
System.out.println("Enter the message");
for(int i=0;i<len;i++){
a[i]=sc.nextInt(); }
for(int i=0;i<16;i++){
a[len++]=0; }
k=len-16;
for(int i=0;i<len;i++){
b[i]=a[i]; }
ob.div(a,k)
for(int i=0;i<len;i++)
a[i]=a[i]^b[i];
System.out.println("Data to be transmitted");
for(int i=0;i<len;i++){
System.out.println(a[i]+"");}
System.out.println();
System.out.println("Enterthe recieved data");
for(int i=0;i<len;i++){
a[i]=sc.nextInt();}
ob.div(a,k);
for(int i=0;i<len;i++){
if (a[i]!=0){
flag=1;
break;}
}
if(flag==1){
System.out.println("Error in data");}
else{
System.out.println("No error");
}
}
}
}
