离歌笑

#include<fstream>
#include<string>
#include<map>
using namespace std;

int (int argc, char *argv[])
{
	ifstream in("in.txt");
	ofstream out("out.txt");
	string c;
	map<string, int> stringNum;
	while (in >> c) { 
		stringNum[c]++; 
	}
	for (map<string, int>::iterator it = stringNum.begin(); it != stringNum.end(); it++)
	{
		out << it->first << " : " << it->second << endl;
	}
	in.close();
	return 0;
}