Compilare: user.cpp: In function 'void gad(int)': user.cpp:21: warning: comparison between signed and unsigned integer expressions user.cpp:35: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void gst(int)': user.cpp:45: warning: comparison between signed and unsigned integer expressions user.cpp:56: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int main()': user.cpp:70: warning: 'stlp' may be used uninitialized in this function