int main() { //

int *A, *B, *C; //Arrays of pointers
int i , j , k ;
int nA, nB, nC; //Arrays size

printf("Type the arrays size (A and B): \n");
scanf("%d %d", &nA, &nB);

nC = nA + nB;

A = (int *)malloc(sizeof (int) * nA);
B = (int *)malloc(sizeof (int) * nB);
C = (int *)malloc(sizeof (int) * nC);
...