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:223:2: warning: no newline at end of file user.cpp: In function 'void coboara()': user.cpp:41: warning: comparison between signed and unsigned integer expressions user.cpp:42: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int verif(int)': user.cpp:57: warning: comparison between signed and unsigned integer expressions user.cpp:70: warning: comparison between signed and unsigned integer expressions user.cpp:70: warning: comparison between signed and unsigned integer expressions user.cpp:53: warning: unused variable 'j' user.cpp: In function 'void solve()': user.cpp:108: warning: comparison between signed and unsigned integer expressions user.cpp:111: warning: comparison between signed and unsigned integer expressions user.cpp:103: warning: unused variable 'i' user.cpp: In function 'void nodcritic()': user.cpp:152: warning: comparison between signed and unsigned integer expressions user.cpp:148: warning: unused variable 'r' user.cpp: In function 'void drum(int)': user.cpp:163: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void afisare()': user.cpp:174: warning: unused variable 'x' user.cpp:174: warning: unused variable 'nr' user.cpp: In function 'void citire()': user.cpp:198: warning: comparison between signed and unsigned integer expressions user.cpp:201: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int df(int)': user.cpp:143: warning: control reaches end of non-void function