用C++写的一个数单词个数的程序

/*
 * WordCount.cpp
 *读取一个文本，计算出用空格隔开的单词的个数

 *  cin >> word;
 *  Created on: 2011-9-15
 *      Author: 何良骏
 */

#include
#include
#include
using namespace std;

int main() {
	int wordTotal = 0;
	char filePath[40];
	cin.getline(filePath,sizeof(filePath));
	ifstream in(filePath);
	string word;
	while(in >> word) {
		++wordTotal;
	}
	cout << "该文件里面共有" << wordTotal << "个单词" << endl;
	return 0;
}