Compilare: user.cpp: In function 'int main()': user.cpp:22: warning: comparison between signed and unsigned integer expressions user.cpp:38: warning: comparison between signed and unsigned integer expressions user.cpp:47: warning: comparison between signed and unsigned integer expressions user.cpp:20: warning: 'poz3' may be used uninitialized in this function user.cpp:28: warning: 'poz222' may be used uninitialized in this function user.cpp:28: warning: 'poz221' may be used uninitialized in this function