Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:30:63: error: call of overloaded ‘div(long long int&, long long int)’ is ambiguous if (d%x == 0 && (p/d)%x == 0 && div(d, p/d) == x) ^ In file included from /usr/include/c++/5/cstdlib:72:0, from /usr/include/c++/5/ext/string_conversions.h:41, from /usr/include/c++/5/bits/basic_string.h:5249, from /usr/include/c++/5/string:52, from /usr/include/c++/5/bits/locale_classes.h:40, from /usr/include/c++/5/bits/ios_base.h:41, from /usr/include/c++/5/ios:42, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/fstream:38, from user.cpp:1: /usr/include/stdlib.h:788:14: note: candidate: div_t div(int, int) extern div_t div (int __numer, int __denom) ^ user.cpp:7:11: note: candidate: long long int div(long long int, long long int) long long div (long long a, long long b) ^ In file included from /usr/include/c++/5/ext/string_conversions.h:41:0, from /usr/include/c++/5/bits/basic_string.h:5249, from /usr/include/c++/5/string:52, from /usr/include/c++/5/bits/locale_classes.h:40, from /usr/include/c++/5/bits/ios_base.h:41, from /usr/include/c++/5/ios:42, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/fstream:38, from user.cpp:1: /usr/include/c++/5/cstdlib:227:3: note: candidate: lldiv_t __gnu_cxx::div(long long int, long long int) div(long long __n, long long __d) ^ /usr/include/c++/5/cstdlib:169:3: note: candidate: ldiv_t std::div(long int, long int) div(long __i, long __j) { return ldiv(__i, __j); } ^