Compilare: user.cpp: In function ‘void Parse()’: user.cpp:14:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<=strlen(c);i++) ^ user.cpp:18:20: warning: ‘c2’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (c2>='0' && c2<='9') ^ /tmp/ccbRFqCz.o: In function `Parse()': user.cpp:(.text+0x38): warning: the `gets' function is dangerous and should not be used.