C++ Primer课后练习11.3，11.4，11.7，11.8，11.11，11.12，11.13，11.14

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本文提供了多个C++编程练习示例，包括单词计数、家庭成员记录、去重输入等功能，通过具体代码实现展示了map、vector等容器的应用及pair、make_pair等的使用技巧。

//课后练习11.3&11.4
#include<iostream>
#include<map>
#include<set>
#include<string>
#include<algorithm>
#include<cctype>
using namespace std;
int main(void)
{map<string size_t=""> wordcount;
//string到size_t的空map
string word;
while (cin >> word)
{
	for (auto & ss : word)ss = tolower(ss);
        word.erase(find_if(word.begin(), word.end(), [](char & ch){return ispunct(ch); }));
        ++wordcount[word];//提取word的计数器，并每个加一}
        for (const auto & ss : wordcount)
		cout << ss.first << " occurs " << ss.second<< ((ss.second > 1) ? " times" : " time" )<< endl;
}
 /********************************************************************/
//课后练习11.7
#include<iostream>
#include<map>
#include<vector>
#include<string>
using namespace std;
int main(void)
{
	map<string, vector<string>> family;
	string familyname,offspringname;
	while ([&]()->bool{
		cout << "please enter the family name!" << endl;
		return cin >> familyname && familyname!="AA"; }())
	{
		cout << "please enter the offspring's name" << endl;
		while (cin >> offspringname && offspringname!="AA")
		{
			family[familyname].push_back(offspringname);
		}
		
	}
	for (auto ss : family)
	{
		cout << ss.first << ": ";
		for (auto ss1 : ss.second)
			cout << ss1 << " ";
		cout << endl;
	}

}
/*********************************************************************************************************************************/
//练习11.8
#include<vector>
#include<string>
#include<iostream>
using namespace std;
int main(void)
{
	vector<string> vec;
	string word;
	while (cin >> word)
	{
		if (find(vec.begin(), vec.end(), word) != vec.end())
			cout << "Hey! man ,what the fuck are you doing now!" << endl;
		else
			vec.push_back(word);
	}
	for (auto ss : vec)
		cout << ss << " ";
	cout << endl;
}/*****************************************************************************************************************************/
//练习11.11
#include<iostream>
#include<set>
#include<list>
#include"sales_data.h"
using namespace std;
bool compareIsbn(const Sales_data & rh1, const Sales_data &rh2)
{
	return rh1.isbn() > rh2.isbn();
}
int main(void)
{
	auto comparetype1()->bool(*)(const Sales_data & rh1, const Sales_data &rh2);
	using comparetype2 = bool(*)(const Sales_data & rh1, const Sales_data &rh2);
	multiset<sales_data comparetype2="">bookstore(compareIsbn);
}
/*************************************************************************************************************/
//练习11.12&11.13
#include<iostream>
#include<string>
#include<utility>
#include<vector>
using namespace std;
int main()
{
	string word;
	int number;
	vector<pair<string int="">> vec1,vec2,vec3;
	while ([&word,&number]()->bool{
		cout << "please enter the fuck string and fuck num" << endl;
		return  cin >>word>>number && word!="AA";
	}())
	{
		pair<string int=""> p1(word, number);//花括号初始化
		vec1.push_back(p1);

pair<string int=""> p2 = { word, number };//小括号初始化
		vec2.push_back(p2);
		vec3.push_back(make_pair(word, number));//函数初始化
	}
	for (auto ss : vec1)
		cout << ss.first << ": " << ss.second;
	cout << endl;
	for (auto ss : vec2)
		cout << ss.first << ": " << ss.second;
	cout << endl;
	for (auto ss : vec3)
		cout << ss.first << ": " << ss.second;
	cout << endl;
}
/*********************************************************************************************************************/
//课后练习11.14
#include<iostream>
#include<map>
#include<vector>
#include<string>
#include<utility>
using namespace std;
int main(void)
{
	map<string, vector<pair<string string="">>> family;
	string familyname, offspringname,birthday;
	while ([&familyname]()->bool{
		cout << "please enter the family name!" << endl;
		return cin >> familyname && familyname != "AA"; }())
	{
		cout << "please enter the youngman's name and birthday" << endl;
		while (cin >> offspringname>>birthday && offspringname != "AA")
		{
			family[familyname].push_back(make_pair(offspringname, birthday));
		}

}
		for (auto ss : family)
		{
			cout << ss.first << ": ";
			for (auto ss1 : ss.second)
			{
				cout << ss1.first << " "<<ss1.second<<" ";
			}
			cout << endl;
		}

}
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