Compilare: user.cpp: In function ‘int lungime(int)’: user.cpp:44:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(unsigned i=a;i<n;i++) ^ user.cpp: In function ‘void eliminare(int)’: user.cpp:94:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(unsigned i=a;i<n;i++) ^ user.cpp: In function ‘void text()’: user.cpp:78:8: warning: ‘indice’ may be used uninitialized in this function [-Wmaybe-uninitialized] n=n-indice; ^ user.cpp: In function ‘void text2()’: user.cpp:126:18: warning: ‘indice’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(j=i+1;j<=n;j++) ^