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#include <vector>
#include <algorithm>
#include <iostream>
#include <iterator>
 
int main() {
  vector<int> v = {5, 2, 7};
  sort(v.begin(), v.end());
  copy(v.begin(), v.end(), std::ostream_iterator<int>(std::cout, " "));
  return 0;
}

prog.cpp: In function ‘int main()’:
prog.cpp:7:3: error: ‘vector’ was not declared in this scope
prog.cpp:7:3: note: suggested alternative:
In file included from /usr/include/c++/4.7/vector:65:0,
                 from prog.cpp:1:
/usr/include/c++/4.7/bits/stl_vector.h:208:11: note:   ‘std::vector’
prog.cpp:7:10: error: expected primary-expression before ‘int’
prog.cpp:7:10: error: expected ‘;’ before ‘int’
prog.cpp:8:8: error: ‘v’ was not declared in this scope
prog.cpp:8:26: error: ‘sort’ was not declared in this scope
prog.cpp:8:26: note: suggested alternative:
In file included from /usr/include/c++/4.7/algorithm:63:0,
                 from prog.cpp:2:
/usr/include/c++/4.7/bits/stl_algo.h:5499:5: note:   ‘std::sort’

Standard output is empty