9.8C++作业 - 实践

思维导图

#include
#include
#include
using namespace std;
class Stu
{
friend ofstream &operator s1;
s1.push_back(Stu("yy","1001",19,97));
vector s2;
s2.push_back(Stu("dd","1002",19,94));
vector s3;
s3.push_back(Stu("hh","1003",20,96));
ofstream ofs;
ofs.open("D:\\Qt\\qt-project\\hq\\day8\\test6\\stu_txt",ios::out);
for(const auto &stu : s1)
{
ofs > buf)
{
cout << buf << endl;
}
ifs.close();
return 0;
}

#include
#include
using namespace std;
void list_printf(list &l)
{
list::iterator iter;
for(iter = l.begin(); iter != l.end(); iter++)
{
cout  l1;
l1.push_back(10);
l1.push_back(20);
l1.push_back(30);
l1.push_back(40);
l1.push_back(50);
cout  l2 = l1;
cout  l3(l1.begin(),l1.end());
cout  l4(6,6);
cout  l5;
l5.assign(l1.begin(),l1.end());
cout  l6 = l4;
cout << "l6:";
list_printf(l6);
l6.remove(20);
list_printf(l6);
l6.clear();
list_printf(l6);
return 0;
}