Compilare: user.cpp: In function ‘int main()’: user.cpp:27:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[k.x][k.y][k.z] == 0&& k.x<=n && k.x>=1 && k.y<=n && k.y>=1 && k.z<=n && k.z>=1){ ^ user.cpp:27:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[k.x][k.y][k.z] == 0&& k.x<=n && k.x>=1 && k.y<=n && k.y>=1 && k.z<=n && k.z>=1){ ^ user.cpp:27:31: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[k.x][k.y][k.z] == 0&& k.x<=n && k.x>=1 && k.y<=n && k.y>=1 && k.z<=n && k.z>=1){ ^ user.cpp:28:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[k.x][k.y][k.z]=a[b.x][b.y][b.z]+1; ^ user.cpp:28:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[k.x][k.y][k.z]=a[b.x][b.y][b.z]+1; ^ user.cpp:28:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[k.x][k.y][k.z]=a[b.x][b.y][b.z]+1; ^ user.cpp:28:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[k.x][k.y][k.z]=a[b.x][b.y][b.z]+1; ^ user.cpp:28:44: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[k.x][k.y][k.z]=a[b.x][b.y][b.z]+1; ^ user.cpp:28:49: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[k.x][k.y][k.z]=a[b.x][b.y][b.z]+1; ^ user.cpp:38:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] g<<a[c[sf].x][c[sf].y][c[sf].z]<<'\n'; ^ user.cpp:38:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] g<<a[c[sf].x][c[sf].y][c[sf].z]<<'\n'; ^ user.cpp:38:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] g<<a[c[sf].x][c[sf].y][c[sf].z]<<'\n'; ^ user.cpp:48:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[k.x][k.y][k.z]==a[x][y][z]-1){ ^ user.cpp:48:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[k.x][k.y][k.z]==a[x][y][z]-1){ ^ user.cpp:48:31: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[k.x][k.y][k.z]==a[x][y][z]-1){ ^