Compilare: user.cpp: In function ‘int main()’: user.cpp:19:14: warning: variable ‘suma’ set but not used [-Wunused-but-set-variable] int n,x,y,suma=0,nr=0,nr1=0,nr2=0,nr3=0,nr4=0,e,x1,y1; ^ user.cpp:19:32: warning: unused variable ‘nr2’ [-Wunused-variable] int n,x,y,suma=0,nr=0,nr1=0,nr2=0,nr3=0,nr4=0,e,x1,y1; ^ user.cpp:19:38: warning: unused variable ‘nr3’ [-Wunused-variable] int n,x,y,suma=0,nr=0,nr1=0,nr2=0,nr3=0,nr4=0,e,x1,y1; ^ user.cpp:19:44: warning: unused variable ‘nr4’ [-Wunused-variable] int n,x,y,suma=0,nr=0,nr1=0,nr2=0,nr3=0,nr4=0,e,x1,y1; ^ user.cpp:53:8: warning: variable ‘arie’ set but not used [-Wunused-but-set-variable] int arie=0; ^