C++primer习题3.14 vector<string>读写字符

#include <iostream>
#include <iomanip>
#include <fstream>
#include <string>
#include <iostream>
#include <vector>
using namespace std;
void get_upper(string &s)
{
for(size_t i = 0; i != s.size(); ++i)
{
s[i] = toupper(s[i]);
}
}
int main()
{
ifstream infile("E:\\test.txt");
if (!infile)
{
cerr << "error" << endl;
}
vector<string> svec;
string s;
while (infile)
{
infile >> s;
svec.push_back(s);
}
for(size_t i = 0; i != svec.size(); ++i)
{
get_upper(svec[i]);
cout << svec[i] << " ";
if ((i+1)%8==0)
{
cout << endl;
}
}
}

#include <iostream>
#include <iomanip>
#include <fstream>
#include <string>
#include <iostream>
#include <vector>
using namespace std;
void get_upper(string &s)
{
for(size_t i = 0; i != s.size(); ++i)
{
s[i] = toupper(s[i]);
}
}
int main()
{
ifstream infile("E:\\test.txt");
if (!infile)
{
cerr << "error" << endl;
}
vector<string> svec;
string s;
while (infile)
{
infile >> s;
svec.push_back(s);
}
int i = 1;
for(vector<string>::iterator iter = svec.begin(); iter != svec.end(); ++iter)
{
get_upper(*iter);
cout << *iter << " ";
if (i++%8==0)
{
cout << endl;
}
}
}