Compilare: user.cpp: In function ‘int main()’: user.cpp:41:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[x-1][y]!=-1 && d[x][y]+1<d[x-1][y]) ^ user.cpp:41:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[x-1][y]!=-1 && d[x][y]+1<d[x-1][y]) ^ user.cpp:41:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[x-1][y]!=-1 && d[x][y]+1<d[x-1][y]) ^ user.cpp:41:47: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[x-1][y]!=-1 && d[x][y]+1<d[x-1][y]) ^ user.cpp:44:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[x-1][y]=d[x][y]+1; ^ user.cpp:44:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[x-1][y]=d[x][y]+1; ^ user.cpp:44:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[x-1][y]=d[x][y]+1; ^ user.cpp:46:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[x][y+1]!=-1 && d[x][y]+1<d[x][y+1]) ^ user.cpp:46:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[x][y+1]!=-1 && d[x][y]+1<d[x][y+1]) ^ user.cpp:46:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[x][y+1]!=-1 && d[x][y]+1<d[x][y+1]) ^ user.cpp:46:42: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[x][y+1]!=-1 && d[x][y]+1<d[x][y+1]) ^ user.cpp:49:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[x][y+1]=d[x][y]+1; ^ user.cpp:49:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[x][y+1]=d[x][y]+1; ^ user.cpp:49:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[x][y+1]=d[x][y]+1; ^ user.cpp:51:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[x+1][y]!=-1 && d[x][y]+1<d[x+1][y]) ^ user.cpp:51:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[x+1][y]!=-1 && d[x][y]+1<d[x+1][y]) ^ user.cpp:51:35: warning: array subscript has type ‘char’ [-Wchar-subscripts]