#include <iostream>
#include <fstream>
#include <map>
#include <string>
using std::cout;
using std::endl;
using std::map;
using std::string;
template <class Word, class Counter>
void PrintMap(map<Word, Counter> map) {
typedef std::map<Word, Counter>::iterator it;
for (it m = map.begin(); m != map.end(); m++)
cout << m->first << ": " << m->second << endl;
}
int main(void)
{
static const char *fileName = "d:\\data.txt";
map<string, unsigned int> wordsCounter;
{
std::ifstream ifs(fileName);
if (ifs.is_open()) {
while (ifs.good()) {
string word;
ifs >> word;
if (word != "") {
if (wordsCounter.find(word) == wordsCounter.end())
wordsCounter[word] = 1;
else
wordsCounter[word]++;
}
}
}
else {
std::cerr << "Error open the file" << endl;
return EXIT_FAILURE;
}
PrintMap(wordsCounter);
}
return EXIT_SUCCESS;
}
/*
run:
c: 1
c#: 1
c++: 3
java: 1
php: 1
python: 1
*/
