Compilare: user.cpp: In function ‘int main()’: user.cpp:12:17: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long int’ [-Wformat=] scanf("%d",n);cn=n; ^ user.cpp:21:19: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long int’ [-Wformat=] printf("%d",s/2); ^