1408081512-hd-{A} + {B}.cpp

#include<stdio.h>
#include<algorithm>
using namespace std;
int a[21000],b[21000];
int main()
{
    int n,m;
    int i,j;
    while(scanf("%d%d",&n,&m)!=EOF)
    {
        for(i=0;i<n;i++)
            scanf("%d",&a[i]);
        for(i=n;i<n+m;i++)
            scanf("%d",&a[i]);
        sort(a,a+n+m);
        j=0;
        for(i=0;i<m+n;i++)
            if(a[i]!=a[i+1])
            {
                b[j]=a[i];
                j++;
            }
        for(i=0;i<j;i++)
        {
            printf("%d",b[i]);
            if(i!=j-1)
                printf(" ");
        }
        printf("\n");
    }
    return 0;
}