Compilare: user.cpp: In function ‘int main()’: user.cpp:9:19: warning: variable ‘x’ set but not used [-Wunused-but-set-variable] int t,nrt,a,b,x,y,cmmmc; ^ user.cpp:9:21: warning: variable ‘y’ set but not used [-Wunused-but-set-variable] int t,nrt,a,b,x,y,cmmmc; ^ user.cpp:9:23: warning: unused variable ‘cmmmc’ [-Wunused-variable] int t,nrt,a,b,x,y,cmmmc; ^