Compilare: user.cpp:24:25: warning: integer overflow in expression [-Woverflow] const int INF = (1<<31)-1; ^ user.cpp:25:28: warning: integer overflow in expression [-Woverflow] const lld LINF = (1LL<<63)-1; ^ user.cpp: In member function ‘Huge Huge::operator+(int)’: user.cpp:66:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<cifre.size(); i++) ^ user.cpp: In member function ‘Huge Huge::operator+(Huge)’: user.cpp:85:51: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<max(cifre.size(),B.cifre.size()); i++) ^ user.cpp:87:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i>=cifre.size()) a=0; ^ user.cpp:89:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i>=B.cifre.size()) b=0; ^ user.cpp: In member function ‘Huge Huge::operator-(int)’: user.cpp:111:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<cifre.size(); i++) ^ user.cpp: In member function ‘Huge Huge::operator-(Huge)’: user.cpp:130:51: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<max(cifre.size(),B.cifre.size()); i++) ^ user.cpp:132:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i>=cifre.size()) a=0; ^ user.cpp:134:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i>=B.cifre.size()) b=0; ^ user.cpp: In member function ‘Huge Huge::operator*(int)’: user.cpp:156:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<cifre.size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:302:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&a,&b); ^