Compilare: user.cpp: In function ‘int main()’: user.cpp:9:50: warning: variable ‘nr’ set but not used [-Wunused-but-set-variable] short n,m,i,j,a[488][488],s=0,s2=0,s3=0,s4=0,nr=0,nr2=0,nr3=0,nr4=0,x,y,Max; ^ user.cpp:9:55: warning: variable ‘nr2’ set but not used [-Wunused-but-set-variable] short n,m,i,j,a[488][488],s=0,s2=0,s3=0,s4=0,nr=0,nr2=0,nr3=0,nr4=0,x,y,Max; ^ user.cpp:9:61: warning: variable ‘nr3’ set but not used [-Wunused-but-set-variable] short n,m,i,j,a[488][488],s=0,s2=0,s3=0,s4=0,nr=0,nr2=0,nr3=0,nr4=0,x,y,Max; ^ user.cpp:9:67: warning: variable ‘nr4’ set but not used [-Wunused-but-set-variable] short n,m,i,j,a[488][488],s=0,s2=0,s3=0,s4=0,nr=0,nr2=0,nr3=0,nr4=0,x,y,Max; ^