Compilare: user.cpp: In function ‘void lee()’: user.cpp:53:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (c[xx][yy] == 0) ^ user.cpp:53:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (c[xx][yy] == 0) ^ user.cpp:55:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[xx][yy] = 1; ^ user.cpp:55:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[xx][yy] = 1; ^ user.cpp:58:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[xx][yy] = b[x][y] + efort(a[x][y], a[xx][yy]); ^ user.cpp:58:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[xx][yy] = b[x][y] + efort(a[x][y], a[xx][yy]); ^ user.cpp:58:36: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[xx][yy] = b[x][y] + efort(a[x][y], a[xx][yy]); ^ user.cpp:58:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[xx][yy] = b[x][y] + efort(a[x][y], a[xx][yy]); ^ user.cpp:58:52: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[xx][yy] = b[x][y] + efort(a[x][y], a[xx][yy]); ^ user.cpp:58:55: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[xx][yy] = b[x][y] + efort(a[x][y], a[xx][yy]); ^ user.cpp:58:62: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[xx][yy] = b[x][y] + efort(a[x][y], a[xx][yy]); ^ user.cpp:58:66: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[xx][yy] = b[x][y] + efort(a[x][y], a[xx][yy]); ^ user.cpp:59:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[xx][yy] = d[x][y] + dist(a[x][y], a[xx][yy]); ^ user.cpp:59:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[xx][yy] = d[x][y] + dist(a[x][y], a[xx][yy]); ^ user.cpp:59:36: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[xx][yy] = d[x][y] + dist(a[x][y], a[xx][yy]); ^ user.cpp:59:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[xx][yy] = d[x][y] + dist(a[x][y], a[xx][yy]); ^ user.cpp:59:61: warning: array subscript has type ‘char’ [-Wchar-subscripts]