Compilare: user.cpp: In function ‘int main()’: user.cpp:57:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((d[a[i][j-1]]+d[a[i][j+1]]+1)>mx) ^ user.cpp:57:45: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((d[a[i][j-1]]+d[a[i][j+1]]+1)>mx) ^ user.cpp:59:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i][j-1]]+d[a[i][j+1]]+1; ^ user.cpp:59:52: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i][j-1]]+d[a[i][j+1]]+1; ^ user.cpp:64:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((d[a[i][j-1]]+1)>mx) ^ user.cpp:66:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i][j-1]]+1; ^ user.cpp:70:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((d[a[i-1][j]]+d[a[i+1][j]]+1)>mx) ^ user.cpp:70:45: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((d[a[i-1][j]]+d[a[i+1][j]]+1)>mx) ^ user.cpp:72:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i][j-1]]+d[a[i][j+1]]+1; ^ user.cpp:72:52: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i][j-1]]+d[a[i][j+1]]+1; ^ user.cpp:77:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((d[a[i-1][j]]+1)>mx) ^ user.cpp:79:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i-1][j]]+1; ^