Eroare de compilare: user.cpp:9:29: error: ‘int div [1000005]’ redeclared as different kind of symbol int f[1000005],k,div[1000005]; ^ 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:46:19: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript div[x[i-1]]+=1; ^ user.cpp:99:33: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript a[1][i]=f[x[i]]/div[x[i]]; ^