C Esercizio for

#include <stdlib.h>
#include <stdio.h>

main()
{
    int v[9], w[10], q[10], i, j, k=0;

    printf("v:\n");
    for (i=0; i<9; i++)
        scanf("%d",&v[i]);

    printf("w:\n");
    for (i=0; i<10; i++)
        scanf("%d",&w[i]);

    for (i=0; i<9; i++)
    {
        for (j=0; j<10; j++)
        {
            if (v[i]==w[j])
            {
                q[k] = v[i]*w[j];
                printf("v[%d]=w[%d]=%d\n",i,j,v[i]);
                k++;
            }
        }
    }

    printf("q:\n");
    for (i=0; i<k; i++)
        printf("%d\n",q[i]);

}