Compilare: user.cpp: In function ‘int main()’: user.cpp:65:15: warning: unused variable ‘numar’ [-Wunused-variable] int k,numar; ^ user.cpp:67:13: warning: unused variable ‘C’ [-Wunused-variable] int C[2][510*510],p=0,u=0,x,y,xx,yy; ^ user.cpp:67:27: warning: unused variable ‘p’ [-Wunused-variable] int C[2][510*510],p=0,u=0,x,y,xx,yy; ^ user.cpp:67:31: warning: unused variable ‘u’ [-Wunused-variable] int C[2][510*510],p=0,u=0,x,y,xx,yy; ^