Compilare: user.cpp: In function 'int main()': user.cpp:91: warning: unused variable 'p' user.cpp:91: warning: unused variable 'q' user.cpp: In function 'int cmp(Nr, Nr)': user.cpp:18: warning: control reaches end of non-void function user.cpp: In function 'int main()': user.cpp:90: warning: 'dr' may be used uninitialized in this function user.cpp:90: warning: 'st' may be used uninitialized in this function