#include 
     
      #include 
      
       #include 
       
        using namespace std;int main(){    int a[] = { 1,2,3,4,5,5,6,7,7,8,8,8,9,9,9,10,10 };    cout << a[0] << " ";    for (int i = 1; i < 16; ++i)    {        if (a[i] == a[i - 1]&&a[i]==a[i+1])continue;        else cout << a[i] << ' ';    }    system("pause");    return 0;}
       
      
     

通用解法2：

#include 
     
      #include 
      
       #include 
       
        using namespace std;int main(){    int a[] = { 1,2,3,4,5,5,6,7,7,8,8,8,9,9,9,10,10 };    int n;    cin >> n;    for (int i = 0; i < n; ++i)        cout << a[i] << ' ';    for (int i = n; i < 17; ++i)    {        if (a[i] == a[i - n])continue;        cout << a[i] << ' ';    }    system("pause");    return 0;}