Eroare de compilare: user.cpp:5:20: error: ‘int div [1000001]’ redeclared as different kind of symbol int C,D,div[1000001]; ^ 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/istream:38, from /usr/include/c++/4.8/fstream:38, 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:14:18: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript if(!div[i]){ ^ user.cpp:16:24: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript ++div[j]; ^ user.cpp:21:21: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript if(div[i]%2)rez-=1LL*(C/i)*(D/i); ^ user.cpp:20:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(!viz[i]) ^