Eroare de compilare: main.cpp:8:11: error: 'int div' redeclared as different kind of symbol int n,t=1,div=2,nr; ^~~ In file included from /usr/include/c++/6/cstdlib:75:0, from /usr/include/c++/6/ext/string_conversions.h:41, from /usr/include/c++/6/bits/basic_string.h:5420, from /usr/include/c++/6/string:52, from /usr/include/c++/6/bits/locale_classes.h:40, from /usr/include/c++/6/bits/ios_base.h:41, from /usr/include/c++/6/ios:42, from /usr/include/c++/6/ostream:38, from /usr/include/c++/6/iostream:39, from main.cpp:1: /usr/include/stdlib.h:788:14: note: previous declaration 'div_t div(int, int)' extern div_t div (int __numer, int __denom) ^~~ main.cpp: In function 'int main()': main.cpp:12:12: error: invalid operands of types '<unresolved overloaded function type>' and '<unresolved overloaded function type>' to binary 'operator*' while(div*div<=n) ~~~^~~~ main.cpp:13:11: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator%' {while(n%div==0) ~^~~~ main.cpp:15:10: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator/' n/=div; ^~~ main.cpp:15:10: error: in evaluation of 'operator/=(int, <unresolved overloaded function type>)' main.cpp:18:6: error: overloaded function with no contextual type information div+=1;nr=0; ^ Non zero exit status: 1