Compilare: user.cpp: In function ‘int main()’: user.cpp:20:9: warning: variable ‘a’ set but not used [-Wunused-but-set-variable] { int a[201][201],p,n,i,j,v,j1,j11,i1,q,i2,i22,j2,j3,j33,i3,i4,i44,j4,x,y,w=1,z,f1=0,f2=0,f3=0,f4=0,z1; ^ user.cpp:200:23: warning: ‘y’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<x<<" "<<y<<" "<<z; ^ user.cpp:200:15: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<x<<" "<<y<<" "<<z; ^