#include    <iostream>

using namespace std;

float evaluareItr(unsigned int n, float coef[], unsigned int x)
{
    float val = 0.0;
    for(int i = 1; i <= n + 1; i++)
        val = val * x + coef[i];
    return val;
}

float evaluare(unsigned int n, float coef[], unsigned int x)
{
    if(n == 1)
        return coef[1];
    return coef[n] + x * evaluare(n-1, coef, x);
}

int cautBin(int x, int b[], int m)
{
    int Sol = -1, Left = 0,  Right = m;
    while(Left <= Right)
    {
        int Mid = (Left + Right) / 2;
        if(b[Mid] == x)
        {
            Sol = Mid;
            break;
        }
        if(b[Mid] > x)
            Right = Mid - 1;
        if(b[Mid] < x)
            Left = Mid + 1;
    }
    return Sol;
}

void subpctb(int a[], int n, int b[], int m, int c[], int &k)
{
    for(int i = 0; i < n; i++)
    {
        int el = a[i];
        int rez = cautBin(el, b, m);
        if(rez != -1)
            c[k++] = b[rez];
    }
}

int main()
{
    int a[10005] = {5, -7,-2, 3};
    int b[10005] = {-2, 3, 5, 7, 8};
    int c[10005];
    int n = 4, m = 5, k = 0;

    subpctb(a, n, b, m, c, k);

    for(int i = 0; i < k; i++)
        cout << c[i] << " ";
    return 0;
}