Compilare: user.cpp: In function ‘int main()’: user.cpp:11:17: warning: unused variable ‘tura’ [-Wunused-variable] int i,j,n,m,tura,x,y,v; ^ user.cpp:31:10: warning: ‘v’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<v<<" "<<x<<" "<<y; ^ user.cpp:31:27: warning: ‘y’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<v<<" "<<x<<" "<<y; ^ user.cpp:31:18: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<v<<" "<<x<<" "<<y; ^