Compilare: user.cpp: In function ‘int main()’: user.cpp:52:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((d[a[i][j-1]]+d[a[i][j+1]]+1)>mx) ^ user.cpp:52:45: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((d[a[i][j-1]]+d[a[i][j+1]]+1)>mx) ^ user.cpp:54:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i][j-1]]+d[a[i][j+1]]+1; ^ user.cpp:54:52: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i][j-1]]+d[a[i][j+1]]+1; ^ user.cpp:61:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((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]]+1; ^ user.cpp:72:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((d[a[i-1][j]]+d[a[i+1][j]]+1)>mx) ^ user.cpp:72:45: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((d[a[i-1][j]]+d[a[i+1][j]]+1)>mx) ^ user.cpp:74:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i][j-1]]+d[a[i][j+1]]+1; ^ user.cpp:74:52: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i][j-1]]+d[a[i][j+1]]+1; ^ user.cpp:81:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((d[a[i-1][j]]+1)>mx) ^ user.cpp:83:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i-1][j]]+1; ^