Eroare de compilare: user.cpp: In function 'void read()': user.cpp:42: error: call of overloaded 'pow(int, int&)' is ambiguous /usr/include/bits/mathcalls.h:154: note: candidates are: double pow(double, double) /usr/include/c++/4.2/cmath:373: note: long double std::pow(long double, int) /usr/include/c++/4.2/cmath:369: note: float std::pow(float, int) /usr/include/c++/4.2/cmath:365: note: double std::pow(double, int) /usr/include/c++/4.2/cmath:361: note: long double std::pow(long double, long double) /usr/include/c++/4.2/cmath:357: note: float std::pow(float, float)