Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:10:13: error: no match for ‘operator^’ (operand types are ‘std::basic_ostream<char>::__ostream_type {aka std::basic_ostream<char>}’ and ‘long long int’) g<<(l-1)^(c-1); ^ user.cpp:10:13: note: candidates are: In file included from /usr/local/include/c++/4.8.0/ios:42:0, from /usr/local/include/c++/4.8.0/istream:38, from /usr/local/include/c++/4.8.0/fstream:38, from user.cpp:1: /usr/local/include/c++/4.8.0/bits/ios_base.h:83:3: note: constexpr std::_Ios_Fmtflags std::operator^(std::_Ios_Fmtflags, std::_Ios_Fmtflags) operator^(_Ios_Fmtflags __a, _Ios_Fmtflags __b) ^ /usr/local/include/c++/4.8.0/bits/ios_base.h:83:3: note: no known conversion for argument 1 from ‘std::basic_ostream<char>::__ostream_type {aka std::basic_ostream<char>}’ to ‘std::_Ios_Fmtflags’ /usr/local/include/c++/4.8.0/bits/ios_base.h:123:3: note: constexpr std::_Ios_Openmode std::operator^(std::_Ios_Openmode, std::_Ios_Openmode) operator^(_Ios_Openmode __a, _Ios_Openmode __b) ^ /usr/local/include/c++/4.8.0/bits/ios_base.h:123:3: note: no known conversion for argument 1 from ‘std::basic_ostream<char>::__ostream_type {aka std::basic_ostream<char>}’ to ‘std::_Ios_Openmode’ /usr/local/include/c++/4.8.0/bits/ios_base.h:161:3: note: constexpr std::_Ios_Iostate std::operator^(std::_Ios_Iostate, std::_Ios_Iostate) operator^(_Ios_Iostate __a, _Ios_Iostate __b) ^ /usr/local/include/c++/4.8.0/bits/ios_base.h:161:3: note: no known conversion for argument 1 from ‘std::basic_ostream<char>::__ostream_type {aka std::basic_ostream<char>}’ to ‘std::_Ios_Iostate’