Eroare de compilare: user.cpp:6:17: error: ‘bool div [1000000]’ redeclared as different kind of symbol bool div[1000000]; ^ In file included from /usr/include/c++/4.8/cstdlib:72:0, from /usr/include/c++/4.8/ext/string_conversions.h:41, from /usr/include/c++/4.8/bits/basic_string.h:2815, from /usr/include/c++/4.8/string:52, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from user.cpp:1: /usr/include/stdlib.h:785:14: error: previous declaration of ‘div_t div(int, int)’ extern div_t div (int __numer, int __denom) ^ user.cpp: In function ‘int main()’: user.cpp:18:23: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript if(div[(i-1)/2] == false) ^ user.cpp:23:28: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript div[(j-1)/2] = true; ^