Compilare: In file included from /usr/include/c++/4.2/backward/fstream.h:31, from user.cpp:1: /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:92:2: warning: no newline at end of file user.cpp: In function 'int alg()': user.cpp:34: warning: unused variable 'aux2' user.cpp: In function 'int sortare2()': user.cpp:45: warning: NULL used in arithmetic user.cpp: In function 'int sortare()': user.cpp:55: warning: unused variable 'aux2' user.cpp: In function 'int sd()': user.cpp:75: warning: control reaches end of non-void function user.cpp: In function 'int fd()': user.cpp:69: warning: control reaches end of non-void function user.cpp: In function 'int sortare()': user.cpp:61: warning: control reaches end of non-void function user.cpp: In function 'int sortare2()': user.cpp:48: warning: control reaches end of non-void function user.cpp: In function 'int alg()': user.cpp:35: warning: control reaches end of non-void function user.cpp: In function 'int cautare(int)': user.cpp:31: warning: control reaches end of non-void function user.cpp: In function 'int tipar()': user.cpp:18: warning: control reaches end of non-void function