Compilare: user.cpp: In function ‘int main()’: user.cpp:43:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(!v[px][py]) ^ user.cpp:43:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(!v[px][py]) ^ user.cpp:44:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] {supra++; v[px][py]=1; ^ user.cpp:44:36: warning: array subscript has type ‘char’ [-Wchar-subscripts] {supra++; v[px][py]=1; ^ user.cpp:55:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(!a[px][py]) ^ user.cpp:55:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(!a[px][py]) ^ user.cpp:56:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] {a[px][py]=-nrcam; ^ user.cpp:56:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] {a[px][py]=-nrcam; ^ user.cpp:70:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[px][py]<0 && !uz[-a[px][py]]) ^ user.cpp:70:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[px][py]<0 && !uz[-a[px][py]]) ^ user.cpp:70:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[px][py]<0 && !uz[-a[px][py]]) ^ user.cpp:70:43: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[px][py]<0 && !uz[-a[px][py]]) ^ user.cpp:71:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] {suma+=val[-a[px][py]];uz[-a[px][py]]=1;} ^ user.cpp:71:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] {suma+=val[-a[px][py]];uz[-a[px][py]]=1;} ^ user.cpp:71:44: warning: array subscript has type ‘char’ [-Wchar-subscripts] {suma+=val[-a[px][py]];uz[-a[px][py]]=1;} ^ user.cpp:71:48: warning: array subscript has type ‘char’ [-Wchar-subscripts] {suma+=val[-a[px][py]];uz[-a[px][py]]=1;} ^ user.cpp:78:21: warning: array subscript has type ‘char’ [-Wchar-subscripts]