#include <fstream> #include <string> #include <iostream> using namespace std; int main() { ifstream infile; ofstream outfile; string str; infile.open("in.txt"); outfile.open("out.txt"); if (!infile) { cerr<<"error:unable to open input file:" <<infile<<endl; return -1; } while(infile>>str) outfile<<str<<endl; infile.close(); outfile.close(); return 0; }