Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:15:7: error: ‘ifstream’ was not declared in this scope ifstream f("euclid2.in"); ^ user.cpp:15:7: 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:2: /usr/include/c++/4.8/iosfwd:157:34: note: ‘std::ifstream’ typedef basic_ifstream<char> ifstream; ^ user.cpp:15:16: error: expected ‘;’ before ‘f’ ifstream f("euclid2.in"); ^ user.cpp:16:4: error: ‘ofstream’ was not declared in this scope ofstream g("euclid2.out"); ^ user.cpp:16:4: 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:2: /usr/include/c++/4.8/iosfwd:160:34: note: ‘std::ofstream’ typedef basic_ofstream<char> ofstream; ^ user.cpp:16:13: error: expected ‘;’ before ‘g’ ofstream g("euclid2.out"); ^ user.cpp:18:9: error: ‘f’ was not declared in this scope fscanf(f,"%d", &t); ^