Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:14:2: error: ‘ifstream’ was not declared in this scope ifstream f1("coco.in"); ^ user.cpp:14:2: note: suggested alternative: In file included from /usr/include/c++/4.8/ios:38:0, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from user.cpp:1: /usr/include/c++/4.8/iosfwd:157:34: note: ‘std::ifstream’ typedef basic_ifstream<char> ifstream; ^ user.cpp:14:11: error: expected ‘;’ before ‘f1’ ifstream f1("coco.in"); ^ user.cpp:15:2: error: ‘ofstream’ was not declared in this scope ofstream f2("coco.out"); ^ user.cpp:15:2: note: suggested alternative: In file included from /usr/include/c++/4.8/ios:38:0, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from user.cpp:1: /usr/include/c++/4.8/iosfwd:160:34: note: ‘std::ofstream’ typedef basic_ofstream<char> ofstream; ^ user.cpp:15:11: error: expected ‘;’ before ‘f2’ ofstream f2("coco.out"); ^ user.cpp:18:2: error: ‘f1’ was not declared in this scope f1 >> n >> m; ^ user.cpp:44:3: error: ‘f2’ was not declared in this scope f2 << nr << endl; ^ user.cpp:44:15: error: ‘endl’ was not declared in this scope f2 << nr << endl; ^ user.cpp:44:15: note: suggested alternative: In file included from /usr/include/c++/4.8/iostream:39:0, from user.cpp:1: /usr/include/c++/4.8/ostream:564:5: note: ‘std::endl’ endl(basic_ostream<_CharT, _Traits>& __os) ^ user.cpp:17:14: warning: unused variable ‘aux’ [-Wunused-variable] int *c, *g, aux; ^