#include <iostream>
#include <fstream>
#include <vector>
#include <string>
using std::cout;
using std::endl;
using std::string;
using std::vector;
void readFile(const string &fileName, vector<int>& vec)
{
std::ifstream ifs;
ifs.open(fileName.c_str());
if (ifs.fail()) {
throw "file error";
}
int n;
while (ifs >> n) {
vec.push_back(n);
}
if (ifs.eof()) {
ifs.close();
}
else {
ifs.close();
throw "read file error";
}
}
int main()
{
vector<int> vec;
try
{
readFile("d:\\data.txt", vec);
for (size_t i = 0; i < vec.size(); i++) {
std::cerr << vec[i] << " ";
}
cout << endl;
}
catch (char *s) {
cout << s << endl;
}
return (0);
}
/*
run:
12 13 65 98 1001
*/