What will be the output of the following C++ code? #include int main () FILE * p; int c; int n = 0; p = fopen ("myfile.txt", "r"); if (p == NULL) perror ("Error opening file"); else do c = getc (p); if (c == ' ') n++; while (c != EOF); fclose (p); printf ("%d ", n); return 0;

Answer: Option C