Compilare: user.cpp: In function ‘int main()’: user.cpp:16:9: warning: unused variable ‘x’ [-Wunused-variable] int x,y,minim,mini,i,j,nr=0,n,m,s=0,gasit=1,k,p,q; ^ user.cpp:16:11: warning: unused variable ‘y’ [-Wunused-variable] int x,y,minim,mini,i,j,nr=0,n,m,s=0,gasit=1,k,p,q; ^ user.cpp:16:13: warning: unused variable ‘minim’ [-Wunused-variable] int x,y,minim,mini,i,j,nr=0,n,m,s=0,gasit=1,k,p,q; ^ user.cpp:16:26: warning: unused variable ‘j’ [-Wunused-variable] int x,y,minim,mini,i,j,nr=0,n,m,s=0,gasit=1,k,p,q; ^ user.cpp:16:28: warning: variable ‘nr’ set but not used [-Wunused-but-set-variable] int x,y,minim,mini,i,j,nr=0,n,m,s=0,gasit=1,k,p,q; ^ user.cpp:55:18: warning: ‘k’ may be used uninitialized in this function [-Wmaybe-uninitialized] tata[k]=q; ^ user.cpp:55:18: warning: ‘q’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:58:22: warning: ‘p’ may be used uninitialized in this function [-Wmaybe-uninitialized] s+=v[p].c; ^