#include <iostream>

using namespace std;

bool contiene_approsimato(float V[],int n,float x) {
     for (int i=0; i<n; i++) {
         if (V[i] >= x-0.5 && V[i] <= x+0.5 ) return true; }
     return false;
}

int compatta(float A[],int n,float B[]) {
     int j=0;
     for (int i=0; i<n; i++) {
         if (!contiene_approsimato(B,j,A[i])) {
                 B[j] = A[i];
                 j++; 
         }
     }
     return j;
}

const int dim=6;
int main() {
     float V1[dim]={1.3, 2.7, 3.12, 0.81, 0.75, 5.55};

     float V2[dim];
     int n=compatta(V1,dim,V2);
              
     for (int i=0; i<n; i++) 
        cout << V2[i] << "  ";
     cout << endl;
   
     system("pause");
     return 0;
}