Compilare: user.c: In function ‘produs’: user.c:50:3: warning: implicit declaration of function ‘memset’ [-Wimplicit-function-declaration] memset(aux, 0, sizeof aux); ^ user.c:50:3: warning: incompatible implicit declaration of built-in function ‘memset’ [enabled by default] user.c: In function ‘main’: user.c:128:17: warning: unused variable ‘ax’ [-Wunused-variable] int n = 0, i, ax; ^ user.c:128:14: warning: unused variable ‘i’ [-Wunused-variable] int n = 0, i, ax; ^ user.c:128:7: warning: unused variable ‘n’ [-Wunused-variable] int n = 0, i, ax; ^