顺序容器的5种初始化方法

#include 
  
   
#include 
   
     #include 
    
      #include 
     
       using namespace std; int main(int argc, const char *argv[]) { //声明一个空的容器 vector
      
        svec; svec.push_back("HeNan"); svec.push_back("HeBei"); svec.push_back("ShanXi"); svec.push_back("ShanDong"); svec.push_back("HuBei"); cout << "svec: " << endl; for(auto &item: svec){ cout << item << endl; } //声明一个大小为5的容器 vector
       
         svec1(5); for(vector
        
         ::size_type it = 0; it != 5; ++it){ svec1[it] = "Hello"; } for(vector
         
          ::iterator it = svec1.begin(); it != svec1.end(); ++it){ cout << *it << endl; } //声明一个大小为10的容器，且全部为“shenzhen”; vector
          
            svec2(10, string("shenzhen")); for(vector
           
            ::iterator it = svec2.begin(); it != svec2.end(); ++it){ cout << *it << endl; } //用一个容器初始化另一个容器 vector
            






              svec3(svec); for(vector
             
              ::iterator it = svec3.begin(); it != svec3.end(); ++it){ cout << *it << endl; } vector
              
               ::iterator rtn = find(svec.begin(), svec.end(), string("ShanXi")); if(rtn == svec.end()){ cout << "not found!" << endl; } else{ cout << "found!" << endl; } //用一对迭代器初始化一个容器 vector
               
                 svec4(svec.begin(), rtn); for(auto &item: svec4){ cout << item << endl; } return 0; }