char* arr = " Hallo WOrld";
	char* ptrFirst = arr;
	char* ptrIter = arr;
	int nWordCount = 0;
 
	// Base Condition.
	while (isspace (*ptrFirst))
		++ptrFirst;
 
	ptrIter = ptrFirst;
 
	while (ptrFirst) {
 
		while (isalpha(*ptrIter)) {
			++ptrIter;
		}
 
		++nWordCount;
 
		while (isspace (*ptrIter))
			++ptrIter;
 
		if (ptrFirst == ptrIter)
			break;
 
		ptrFirst = ptrIter;
	}
 
	cout << nWordCount-1 <<endl;