Compilare: In file included from /usr/include/c++/4.2/backward/iostream.h:31, from user.cpp:2: /usr/include/c++/4.2/backward/backward_warning.h:32:2: warning: #warning This file includes at least one deprecated or antiquated header. Please consider using one of the 32 headers found in section 17.4.1.2 of the C++ standard. Examples include substituting the <X> header for the <X.h> header for C++ includes, or <iostream> instead of the deprecated header <iostream.h>. To disable this warning use -Wno-deprecated. user.cpp:47:2: warning: no newline at end of file user.cpp: In function 'int nu_sunt_prime()': user.cpp:19: warning: unused variable 'k' user.cpp: In function 'int da_sunt_prime()': user.cpp:29: warning: format '%d' expects type 'int', but argument 2 has type 'long int' user.cpp:32: warning: format '%d' expects type 'int', but argument 2 has type 'long int' user.cpp: At global scope: user.cpp:37: warning: ISO C++ forbids declaration of 'main' with no type user.cpp: In function 'int da_sunt_prime()': user.cpp:33: warning: control reaches end of non-void function user.cpp: In function 'int nu_sunt_prime()': user.cpp:25: warning: control reaches end of non-void function user.cpp: In function 'int algoritm()': user.cpp:16: warning: control reaches end of non-void function