Eroare de compilare: user.cpp:9:19: error: ‘int div [1000005]’ redeclared as different kind of symbol int n, m, M, div[N]; ^ In file included from /usr/local/include/c++/4.8.0/cstdlib:72:0, from /usr/local/include/c++/4.8.0/ext/string_conversions.h:41, from /usr/local/include/c++/4.8.0/bits/basic_string.h:2817, from /usr/local/include/c++/4.8.0/string:52, from /usr/local/include/c++/4.8.0/bits/locale_classes.h:40, from /usr/local/include/c++/4.8.0/bits/ios_base.h:41, from /usr/local/include/c++/4.8.0/ios:42, from /usr/local/include/c++/4.8.0/istream:38, from /usr/local/include/c++/4.8.0/fstream:38, from user.cpp:1: /usr/include/stdlib.h:780:14: 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:19:18: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript if (div[i]) ^ user.cpp:21:14: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript div[i] = 1; ^ user.cpp:23:18: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript div[j]++; ^ user.cpp:29:32: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript sol -= 1LL * (div[i] % 2 ? 1 : -1) * (m / i) * (n / i); ^