第十一章 关联容器

 1 #include<iostream>
 2 #include<string>
 3 #include<map>
 4 
 5 using namespace std;
 6 
 7 int main()
 8 {
 9     map<string, size_t> word_count;
10     string word;
11     while (cin >> word)
12         ++word_count[word];
13     for (const auto &w : word_count)
14         cout << w.first << " 出现 " << w.second
15         << ((w.second > 1) ? "times" : "time") << endl;
16     return 0;
17 }