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#include <iostream>
#include <fstream>
#include <string>
using namespace std;
int main() {
fstream rs ;
rs.open("E:\\test.txt", iso::in);
if(rs.is_open()) {
cerr << "error: unable to open input file: "
<< rs << endl;
}
system("pause");
return 0;
}
#include <iostream>
#include <fstream>
#include <string>
using namespace std;
int main() {
fstream rs ;
rs.open("E:\\test.txt", ios::in);
if(rs.is_open()) {
cerr << "error: unable to open input file: "
<< rs << endl;
}
system("pause");
return 0;
}