Compilare: user.cpp: In function ‘void lee()’: user.cpp:55:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (c[xx][yy] == 0) ^ user.cpp:55:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (c[xx][yy] == 0) ^ user.cpp:57:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[xx][yy] = 1; ^ user.cpp:57:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[xx][yy] = 1; ^ user.cpp:60:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[xx][yy] = b[x][y] + efort(a[x][y], a[xx][yy]); ^ user.cpp:60:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[xx][yy] = b[x][y] + efort(a[x][y], a[xx][yy]); ^ user.cpp:60:36: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[xx][yy] = b[x][y] + efort(a[x][y], a[xx][yy]); ^ user.cpp:60:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[xx][yy] = b[x][y] + efort(a[x][y], a[xx][yy]); ^ user.cpp:60:52: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[xx][yy] = b[x][y] + efort(a[x][y], a[xx][yy]); ^ user.cpp:60:55: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[xx][yy] = b[x][y] + efort(a[x][y], a[xx][yy]); ^ user.cpp:60:62: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[xx][yy] = b[x][y] + efort(a[x][y], a[xx][yy]); ^ user.cpp:60:66: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[xx][yy] = b[x][y] + efort(a[x][y], a[xx][yy]); ^ user.cpp:61:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[xx][yy] = d[x][y] + dist(a[x][y], a[xx][yy]); ^ user.cpp:61:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[xx][yy] = d[x][y] + dist(a[x][y], a[xx][yy]); ^ user.cpp:61:36: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[xx][yy] = d[x][y] + dist(a[x][y], a[xx][yy]); ^ user.cpp:61:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[xx][yy] = d[x][y] + dist(a[x][y], a[xx][yy]); ^ user.cpp:61:61: warning: array subscript has type ‘char’ [-Wchar-subscripts]