int main(int argc, char** argv) {
//Check input.
if (argc < 3)
return -1;
std::ifstream in(argv[1]);
if (!in)
return -1;
StrIntMap w;
// Count the occurence of each word and store the result in the map w.
countWords(in, w);
std::ofstream myfile;
myfile.open(argv[2]);
// Output the occurence of each word from the map (alphabetically).
for (StrIntMap::iterator p = w.begin();p != w.end(); ++p) {
myfile << p->first << "\t" << p->second << "\n";
}
myfile.close();
return 0;
}
int main(void)
{
typedef std::map <std::string, int> StrIntMap;
StrIntMap months;
months["january"] = 31;
months["february"] = 28;
months["march"] = 31;
months["april"] = 30;
months["may"] = 31;
months["june"] = 30;
months["july"] = 31;
months["august"] = 31;
months["september"] = 30;
months["october"] = 31;
months["november"] = 30;
months["december"] = 31;
StrIntMap const & m = months;
StdMapIteratorAdaptor <StrIntMap::const_iterator> begin (m.begin());
StdMapIteratorAdaptor <StrIntMap::const_iterator> end (m.end());
std::copy(begin, end, std::ostream_iterator <int> (std::cout, " "));
std::cout << std::endl;
std::list<int> l(std_map_iterator_adaptor(m.begin()),
std_map_iterator_adaptor(m.end()));
std::copy (l.begin(), l.end(), std::ostream_iterator <int> (std::cout, " "));
std::cout << std::endl;
std::copy (std_map_iterator_adaptor(months.begin()),
std_map_iterator_adaptor(months.end()),
std::ostream_iterator <int> (std::cout, " "));
std::min_element (std_map_iterator_adaptor(months.begin()),
std_map_iterator_adaptor(months.end()));
return 0;
}
//-------------挿入ソートを用い、wの頻度上位単語freq個をnumber_of_word[]に格納-
void InsertSort(StrIntMap& w, StrIntMap::iterator number_of_word[], int freq){
StrIntMap::iterator p = w.begin();//wの先頭freq個の単語をnumber_of_wordsに格納
for(int i = 0 ; i<freq ; i++){ //初期化がわり。
number_of_word[i] = p;
p++;
}
for (StrIntMap::iterator p = w.begin(); p != w.end(); ++p){
int s = p->second; //sはpのさす単語の頻度。
for(int i = 0; i < freq; i++){ //頻度ランキングを順番に。
if(s > number_of_word[i]->second){ //もしランキング内より頻度高ければ挿入発生
for(int j = freq-1; j > i; j--){ //2位のものは3位へ、3位のものは4位へずれていく。。
number_of_word[j] = number_of_word[j-1];
}
number_of_word[i] = p;//ずらし終えたら挿入
break;//挿入したら次の単語へ。breakしないと複数回挿入してしまう。
}
}
}
}
int main(int argc, char **argv) {
if (argc < 2)
return (EXIT_FAILURE);
std::ifstream in(argv[1]);
if (!in)
exit(EXIT_FAILURE);
StrIntMap w;
countWords(in, w);
for (StrIntMap::iterator p = w.begin();
p != w.end(); ++p) {
std::cout << p->first << " occurred "
<< p->second << " times.\n";
}
}
