Compilare: user.cpp: In function ‘int main()’: user.cpp:17:25: warning: format ‘%d’ expects a matching ‘int*’ argument [-Wformat=] scanf("%d%d%d",&n,&m); ^ user.cpp:14:26: warning: unused variable ‘x’ [-Wunused-variable] unsigned short int i,x,y; ^ user.cpp:14:28: warning: unused variable ‘y’ [-Wunused-variable] unsigned short int i,x,y; ^ user.cpp:15:13: warning: unused variable ‘z’ [-Wunused-variable] int m=0,z; ^