动态数组2

#include <iostream>#include <string>using namespace std;int main (){    const char *pc = "xiao cui ai ni";const size_t len = strlen(pc);for(size_t i = 0; i != 100; ++i){        char *pc2 = new char[len + 1];strcpy(pc2,pc);cout << pc2 << endl;delete[] pc2;}string str("xiao cui ai ni");for(int i = 0; i != 50; ++i){string str2 = str; //就是string copy！cout << "C++：" << str2 << endl;}return 0;}