In file included from /usr/include/c++/3.2.2/backward/fstream.h:31, from rezervatie.cpp:1: /usr/include/c++/3.2.2/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 <sstream> instead of the deprecated header <strstream.h>. To disable this warning use -Wno-deprecated. rezervatie.cpp: In function `void traseu(int&, int&)': rezervatie.cpp:26: warning: unused variable `char c' rezervatie.cpp: In function `int main()': rezervatie.cpp:63: could not convert `0' to `int&' rezervatie.cpp:24: in passing argument 1 of `void traseu(int&, int&)' rezervatie.cpp:70:1: warning: no newline at end of file