C++Primer10.3.3节练习

#include<iostream>

#include<algorithm>

#include<vector>

#include<list>

#include<iterator>

#include<string>

#include<functional>  //bind函数和std::placeholders命名空间

#include<fstream>

#include<numeric>

using namespace std;//来自所有std的名字都可以在我们的程序中使用

using namespace std::placeholders;

void check0(int i)

{
auto re = [&i]()->bool
{while (--i) { ; }if (i == 0) return true; };
i = 5;
cout<<re() << endl;
cout << i << endl;

}

int main()

{
//测试10.20count_if

       vector<string>words = { "yeah","am","amazy","day","bad","man","bad","yeah" };

auto num = count_if(words.begin(), words.end(), [](const string&s) {return s.size() > 6; });

        cout << num << endl;

//测试10.21

       check0(10);

       return 0;

}