Eroare de compilare: user.cpp:6:5: error: ‘int abs’ redeclared as different kind of symbol int abs,nmax,i,nr,m,a[]; ^ 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:771:12: error: previous declaration of ‘int abs(int)’ extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur; ^ user.cpp:6:23: error: storage size of ‘a’ isn’t known int abs,nmax,i,nr,m,a[]; ^