Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:72:57: error: no matching function for call to ‘std::exception::exception(const char [31])’ throw std::exception("Error opening file granita.out"); ^ user.cpp:72:57: note: candidates are: In file included from /usr/include/c++/4.8/new:40:0, from /usr/include/c++/4.8/bits/stl_construct.h:59, from /usr/include/c++/4.8/bits/stl_tempbuf.h:60, from /usr/include/c++/4.8/bits/stl_algo.h:62, from /usr/include/c++/4.8/algorithm:62, from user.cpp:1: /usr/include/c++/4.8/exception:63:5: note: std::exception::exception() exception() _GLIBCXX_USE_NOEXCEPT { } ^ /usr/include/c++/4.8/exception:63:5: note: candidate expects 0 arguments, 1 provided /usr/include/c++/4.8/exception:60:9: note: constexpr std::exception::exception(const std::exception&) class exception ^ /usr/include/c++/4.8/exception:60:9: note: no known conversion for argument 1 from ‘const char [31]’ to ‘const std::exception&’ user.cpp:78:50: error: no matching function for call to ‘std::exception::exception(const char [26])’ throw std::exception("file granita.in not found"); ^ user.cpp:78:50: note: candidates are: In file included from /usr/include/c++/4.8/new:40:0, from /usr/include/c++/4.8/bits/stl_construct.h:59, from /usr/include/c++/4.8/bits/stl_tempbuf.h:60, from /usr/include/c++/4.8/bits/stl_algo.h:62, from /usr/include/c++/4.8/algorithm:62, from user.cpp:1: /usr/include/c++/4.8/exception:63:5: note: std::exception::exception() exception() _GLIBCXX_USE_NOEXCEPT { } ^ /usr/include/c++/4.8/exception:63:5: note: candidate expects 0 arguments, 1 provided /usr/include/c++/4.8/exception:60:9: note: constexpr std::exception::exception(const std::exception&) class exception ^ /usr/include/c++/4.8/exception:60:9: note: no known conversion for argument 1 from ‘const char [26]’ to ‘const std::exception&’