Compiler output
prog.cpp:31:48: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
prog.cpp:32:48: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
prog.cpp:33:46: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
prog.cpp:34:46: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
prog.cpp: In function ‘void Back(int)’:
prog.cpp:46:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
