Compilare: user.cpp: In function ‘int rez(int)’: user.cpp:33:21: warning: variable ‘cpoz’ set but not used [-Wunused-but-set-variable] int num1,num2,pp=0,cpoz; ^ user.cpp:33:11: warning: ‘num2’ may be used uninitialized in this function [-Wmaybe-uninitialized] int num1,num2,pp=0,cpoz; ^ user.cpp:33:6: warning: ‘num1’ may be used uninitialized in this function [-Wmaybe-uninitialized] int num1,num2,pp=0,cpoz; ^ /tmp/ccBD8Ax4.o: In function `main': user.cpp:(.text.startup+0x4b): warning: the `gets' function is dangerous and should not be used.