linux下c++编程出错

Question

出错提示:
/tmp/ccnzBhif.o(.eh_frame+0x12): undefined reference to `__gxx_personality_v0'
collect2: ld returned 1 exit status

源码:#include <sstream>;
#include <string.h>;

class Student
{public:
Student(char* pName ="no name",int ssid=0)
{
        strcpy(name,pName);
        printf("Constructing new student%s",pName);
}
Student(Student&s)
{printf("Constructing copy of%s ",s.name);
strcpy(name,"copy of";
strcat(name,s.name);
id =s.id;
}
~Student()
{printf("Destructing%s",name);
}
protected:
        char name[40];
        int id;
       
};
        void fn(Student s)
        {
                printf("In function fn()\n" ;
        }
        int main()
        {
                Student randy("Randy",1234);
                printf("Calling fn()\n";
                fn(randy);
                printf("Returned from fn()\n";
        }

Answer 1

另外,我使用cout总是不成功,加了iostream头文件,或者使用std::cout,都是不行,为什么?