s1--Enter 10 digits, remove duplicates, and then sort output

* * The copyright and version of the Declaration section:
*copyright (c) 2013, Yantai University computer College students
*all rights reserved.
* File name:
* Author: Shang
* Date of Completion: May 25, 2014
* version number: v0.1
* Description of task and solution:
* Input Description: No
* Problem Description: Input 10 digits from keyboard, Remove duplicates, then from small to large output.
* Program Input:
* Program output:
* Problem Analysis:
* Algorithm Design: * *
#include <iostream>
using namespace std;
int main ()
{
    int a[10],k=0,i,j;
    for (int i=0; i<10; ++i)
    {
        cin>>a[i];
    }
    For (i=0, i<10; ++i) for
        (j=0; j<9-i; ++j)
        {
            if (a[j]>a[j+1))
            {
                k=a[j];
                A[J]=A[J+1];
                A[j+1]=k
            }
        }
    For (i=0 i<10; ++i)
    {
        if (a[i]==a[i+1))
        {
            ++i;
        }
        cout<<a[i]<< "";
    }
    return 0;
}

Results show:

Experience: When the test, the program output error, did not remove duplicate numbers.