Eroare de compilare: user.cpp:6:14: error: ‘const double gamma’ redeclared as different kind of symbol const double gamma = 0.5772156649; ^ In file included from /usr/include/features.h:357:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/os_defines.h:39, from /usr/include/i386-linux-gnu/c++/4.8/bits/c++config.h:420, from /usr/include/c++/4.8/iosfwd:38, from /usr/include/c++/4.8/ios:38, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /usr/include/i386-linux-gnu/bits/mathcalls.h:266:1: error: previous declaration of ‘double gamma(double)’ __MATHCALL (gamma,, (_Mdouble_)); ^ user.cpp: In function ‘void solve(int)’: user.cpp:12:27: error: invalid operands of types ‘double’ and ‘double(double)throw ()’ to binary ‘operator+’ double rez = log(n) + gamma + (double)(1/2*n) + (double)(1/12*n*n); ^