Compilare: user.cpp: In function ‘int main()’: user.cpp:61:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((d[a[i][j-1]]+d[a[i][j+1]]+1)>mx) ^ user.cpp:61:45: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((d[a[i][j-1]]+d[a[i][j+1]]+1)>mx) ^ user.cpp:63:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i][j-1]]+d[a[i][j+1]]+1; ^ user.cpp:63:52: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i][j-1]]+d[a[i][j+1]]+1; ^ user.cpp:68:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((d[a[i][j-1]]+1)>mx) ^ user.cpp:70:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i][j-1]]+1; ^ user.cpp:79:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(d[a[i][j+1]]+1>mx) ^ user.cpp:81:43: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i][j+1]]+1; ^ user.cpp:88:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(d[a[i][j-1]]+1>mx) ^ user.cpp:90:43: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i][j-1]]+1; ^ user.cpp:99:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((d[a[i-1][j]]+d[a[i+1][j]]+1)>mx) ^ user.cpp:99:45: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((d[a[i-1][j]]+d[a[i+1][j]]+1)>mx) ^ user.cpp:101:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i][j-1]]+d[a[i][j+1]]+1; ^ user.cpp:101:52: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i][j-1]]+d[a[i][j+1]]+1; ^ user.cpp:106:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((d[a[i-1][j]]+1)>mx) ^ user.cpp:108:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i-1][j]]+1; ^ user.cpp:117:39: warning: array subscript has type ‘char’ [-Wchar-subscripts]