#include<bits/stdc++.h>
using namespace std;
#include<math.h>
#include<stdlib.h>
void sort(int ar[],int n)
{
int i,j,temp;
for(i=0;i<n-1;i++)
for(j=0;j<n-i-1;j++)
if(ar[i]>ar[i+1])
{
temp=ar[i];
ar[i]=ar[i+1];
ar[i+1]=temp;
}
}
int main()
{
int n,m,i,j;
scanf("%d",&n);
int ar[n];
for(i=0;i<n;i++)
scanf("%d",&ar[i]);
scanf("%d",&m);
int ar1[m],t=0,ar2[100000];
for(i=0;i<m;i++)
scanf("%d",&ar1[i]);
//for(i=0;i<m;i++)
for(j=0;j<n;j++)
{
ar2[t++]=abs(ar[j]-ar1[n-1]);
}
for(i=0;i<t;i++)
printf("%d ",ar2[i]);
printf("\n");
sort(ar2,t);
for(i=0;i<t-1;i++)
for(j=i+1;j<t;j++)
if(ar2[i]==ar2[j])
ar2[j]=-1;
for(i=0;i<t;i++)
if(ar2[i]!=-1)
printf("%d ",ar2[i]);
}
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