Eroare de compilare: user.cpp: In function ‘std::ostream& operator<<(std::ostream&, bigint&)’: user.cpp:44:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<x.size();i++) ^ user.cpp: At global scope: user.cpp:82:13: error: conflicting declaration ‘typedef int uint’ typedef int uint; ^ In file included from /usr/include/stdlib.h:320:0, from /usr/include/c++/4.8/cstdlib:72, 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/i386-linux-gnu/sys/types.h:153:22: error: ‘uint’ has a previous declaration as ‘typedef unsigned int uint’ typedef unsigned int uint; ^ user.cpp: In function ‘bigint operator-(const bigint&, const bigint&)’: user.cpp:100:17: warning: unused variable ‘p’ [-Wunused-variable] int p=z[i-1]; ^