tabel.cpp: In function `int div(int, int)': tabel.cpp:8: new declaration `int div(int, int)' /usr/include/stdlib.h:757: ambiguates old declaration `div_t div(int, int)' tabel.cpp: In function `void afisare(int, int)': tabel.cpp:25: call of overloaded `div(long long int&, int)' is ambiguous tabel.cpp:8: candidates are: int div(int, int) /usr/include/c++/3.2.2/cstdlib:149: lldiv_t __gnu_cxx::div(long long int, long long int) /usr/include/c++/3.2.2/cstdlib:122: ldiv_t std::div(long int, long int)