Accelerated C++ Chapter7 使用关联式容器

Chapter7 使用关联式容器

7.2 字数统计程序

int main()
{
    string s;
    map<string, int> counters;

    while(cin >> s)
        ++counters[s];
    for(map<string, int>::const_iterator it = counters.begin();
        it != counters.end(); ++it)
    {
        cout << it->first << "\t" << it->second << endl;
    }

    return 0;
}