Compilare: user.cpp: In function ‘int main()’: user.cpp:63:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] {if((d[a[i][j-1]]+d[a[i][j+1]]+1)>mx) ^ user.cpp:63:50: warning: array subscript has type ‘char’ [-Wchar-subscripts] {if((d[a[i][j-1]]+d[a[i][j+1]]+1)>mx) ^ user.cpp:65:43: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i][j-1]]+d[a[i][j+1]]+1; ^ user.cpp:65:56: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i][j-1]]+d[a[i][j+1]]+1; ^ user.cpp:72:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(d[a[i][j+1]]+1>mx) ^ user.cpp:74:43: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i][j+1]]+1; ^ user.cpp:80:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(d[a[i][j-1]]+1>mx) ^ user.cpp:82:43: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i][j-1]]+1; ^ user.cpp:91:36: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((d[a[i][j-1]]+1)>mx) ^ user.cpp:93:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i][j-1]]+1; ^ user.cpp:103:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(d[a[i][j+1]]+1>mx) ^ user.cpp:105:43: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i][j+1]]+1; ^ user.cpp:112:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(d[a[i][j-1]]+1>mx) ^ user.cpp:114:43: warning: array subscript has type ‘char’ [-Wchar-subscripts] mx=d[a[i][j-1]]+1; ^ user.cpp:126:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((d[a[i-1][j]]+d[a[i+1][j]]+1)>mx) ^ user.cpp:126:52: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((d[a[i-1][j]]+d[a[i+1][j]]+1)>mx) ^ user.cpp:128:43: warning: array subscript has type ‘char’ [-Wchar-subscripts]