Esame 1

#include <iostream>
#include <cstdlib>

using namespace std;

const int a=3,b=3,d=4,e=4;

long A[a],B[b],C[d][e];

bool elemComune (long x[],int y,long elemC);
bool elemComABC (long A[],int a,long B[],int b, long C[][e],int d);

int main()
{
    int i,k;
    i=0;
    while (i<a)
    {
        A[i]=rand()%10+1;
        cout <<"A["<<i<<"]="<<A[i]<<"\n";
        i++;
    }
    i=0;
    while (i<b)
    {
        B[i]=rand()%10+1;
        cout <<"B["<<i<<"]="<<B[i]<<"\n";
        i++;
    }
    i=0;
    while (i<d)
    {
        k=0;
        while (k<e)
        {
            C[i][k]=rand()%10+1;
            cout <<"C["<<i<<"]["<<k<<"]="<<C[i][k]<<" ";
            k++;
        }
        cout <<"\n";
        i++;
    }
    if (elemComABC(A,a,B,b,C,d)) cout<<"Ho trovato almeno un elemento in comune" << endl;
    else cout<<"Non ho trovato alcun elemento in comune";
    return 0;
}


bool elemComune (long x[],int y, long elemC)
{
    int i=0;
    while (i<y)
    {
        if (x[i]==elemC) return true;
        i++;
    }
    return false;
}

bool elemComABC (long A[],int a,long B[],int b, long C[][e],int d)
{
    int i=0,k;
    while (i<d)
    {
        k=0;
        while (k<e)
        {
            if ((elemComune(A,a,C[i][k])) && (elemComune(B,b,C[i][k]))) return true;
            else k++;
        }
        i++;
    }
    return false;
}