... two-dimensional arrays and rand() */ #include #include /* Declare the array */ int array[5][4]; int a, b; main() { for ( a = 0; a < 5; a++ ) for ( b = 0; b < 4; b++ ) array[a][b] = rand(); ... int random[1000]; int a, b, c; long total = 0; main() { for (a = 0; a < 1000; a++) { random[a] = rand(); total += random[a]; } printf("\n\nAverage is: %ld\n",total/1000); /* Now display the array ... total; int sumarrays(int x1[], int len_x1, int x2[], int len_x2); 46 main() { total = sumarrays(array1, MAX1, array2, MAX2); printf("The total is %d\n", total); return 0; } int sumarrays(int x1[],...