Eroare de compilare: user.cpp:3:1: error: ‘std’ does not name a type std using namespace std; ^ user.cpp: In function ‘int main()’: user.cpp:8:5: error: ‘ifstream’ was not declared in this scope ifstream f("secv1.in"); ^ user.cpp:8:5: note: suggested alternative: In file included from /usr/include/c++/4.8/ios:38:0, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:2: /usr/include/c++/4.8/iosfwd:157:34: note: ‘std::ifstream’ typedef basic_ifstream<char> ifstream; ^ user.cpp:8:14: error: expected ‘;’ before ‘f’ ifstream f("secv1.in"); ^ user.cpp:9:5: error: ‘ofstream’ was not declared in this scope ofstream g("secv1.out"); ^ user.cpp:9:5: note: suggested alternative: In file included from /usr/include/c++/4.8/ios:38:0, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:2: /usr/include/c++/4.8/iosfwd:160:34: note: ‘std::ofstream’ typedef basic_ofstream<char> ofstream; ^ user.cpp:9:14: error: expected ‘;’ before ‘g’ ofstream g("secv1.out"); ^ user.cpp:10:5: error: ‘f’ was not declared in this scope f>>n; ^ user.cpp:24:9: error: ‘max’ was not declared in this scope max=1; ^ user.cpp:24:9: note: suggested alternative: In file included from /usr/include/c++/4.8/bits/char_traits.h:39:0, from /usr/include/c++/4.8/ios:40, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:2: /usr/include/c++/4.8/bits/stl_algobase.h:260:5: note: ‘std::max’ max(const _Tp& __a, const _Tp& __b, _Compare __comp) ^ user.cpp:30:13: error: ‘g’ was not declared in this scope g<<max; ^