code. compile. run. debug. share.
#include <fstream>
#include <vector>
#include <algorithm>
#include <iterator>
#include <string>
using namespace std;
struct line : public string { using string::string; };
istream& operator>>(istream& s, line& l) { getline(s, l); return s; }
int main() {
fstream file("test.txt");
vector<string> text((istream_iterator<line>(file)), istream_iterator<line>());
swap(text.front(), text.back());
file.clear(); file.seekp(0);
copy(text.begin(), text.end(), ostream_iterator<string>(file, "\n"));
}
goodbye world
middle
hello world
Compiling Program...
Standard Input:
Interactive Console
Text
Program is not being debugged. Click "Debug" button to start program in debug mode.
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