Compilare: user.cpp: In function ‘void BFS()’: user.cpp:36:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] viz[x.x][x.y][x.z]=1; ^ user.cpp:36:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] viz[x.x][x.y][x.z]=1; ^ user.cpp:36:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] viz[x.x][x.y][x.z]=1; ^ user.cpp:41:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] y.x=dx[k]+x.x; ^ user.cpp:42:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] y.y=dy[k]+x.y; ^ user.cpp:43:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] y.z=dz[k]+x.z; ^ user.cpp:44:45: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(ok(y.x,y.y,y.z)==0 || viz[y.x][y.y][y.z] || a[y.x][y.y][y.z]==-1 ) ^ user.cpp:44:50: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(ok(y.x,y.y,y.z)==0 || viz[y.x][y.y][y.z] || a[y.x][y.y][y.z]==-1 ) ^ user.cpp:44:55: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(ok(y.x,y.y,y.z)==0 || viz[y.x][y.y][y.z] || a[y.x][y.y][y.z]==-1 ) ^ user.cpp:44:65: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(ok(y.x,y.y,y.z)==0 || viz[y.x][y.y][y.z] || a[y.x][y.y][y.z]==-1 ) ^ user.cpp:44:70: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(ok(y.x,y.y,y.z)==0 || viz[y.x][y.y][y.z] || a[y.x][y.y][y.z]==-1 ) ^ user.cpp:44:75: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(ok(y.x,y.y,y.z)==0 || viz[y.x][y.y][y.z] || a[y.x][y.y][y.z]==-1 ) ^ user.cpp:47:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] if( a[y.x][y.y][y.z]==0 || a[y.x][y.y][y.z] > a[x.x][x.y][x.z]+1) ^ user.cpp:47:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] if( a[y.x][y.y][y.z]==0 || a[y.x][y.y][y.z] > a[x.x][x.y][x.z]+1) ^ user.cpp:47:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] if( a[y.x][y.y][y.z]==0 || a[y.x][y.y][y.z] > a[x.x][x.y][x.z]+1) ^ user.cpp:47:45: warning: array subscript has type ‘char’ [-Wchar-subscripts] if( a[y.x][y.y][y.z]==0 || a[y.x][y.y][y.z] > a[x.x][x.y][x.z]+1) ^ user.cpp:47:50: warning: array subscript has type ‘char’ [-Wchar-subscripts]