Borderou de evaluare (job #42910)

Compilare: user.cpp: In function ‘int main()’: user.cpp:8:18: warning: variable ‘y’ set but not used [-Wunused-but-set-variable] user.cpp:8:20: warning: variable ‘z’ set but not used [-Wunused-but-set-variable] user.cpp:8:24: warning: variable ‘b’ set but not used [-Wunused-but-set-variable] user.cpp:8:26: warning: unused variable ‘d’ [-Wunused-variable] user.cpp:18:21: warning: ‘nr’ may be used uninitialized in this function [-Wuninitialized]