wc.cpp

来自「包括ARM开发环境的使用和一些调试用的源程序」· C++ 代码 · 共 32 行

#include <iostream>
#include <map>
#include <string>

using std::cin;
using std::cout;
using std::endl;
using std::map;
using std::string;

int main()
{
	string s;
	map<string, int> counters; // store each word and an associated counter

	// read the input, keeping track of each word and how often we see it
	while (cin >> s)
		++counters[s];

	// write the words and associated counts
#ifdef _MSC_VER
	for (std::map<string, int>::const_iterator it = counters.begin();
#else
	for (map<string, int>::const_iterator it = counters.begin();
#endif
	     it != counters.end(); ++it) {
		cout << it->first << "\t" << it->second << endl;
	}
	return 0;
}