Compilare: user.cpp: In function ‘void bfs(POINT, POINT)’: user.cpp:22:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] q[A[P1.x][P1.y]].push_back(P1); ^ user.cpp:22:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] q[A[P1.x][P1.y]].push_back(P1); ^ user.cpp:23:14: warning: array subscript has type ‘char’ [-Wchar-subscripts] seen[P1.x][P1.y]=1; ^ user.cpp:23:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] seen[P1.x][P1.y]=1; ^ user.cpp:25:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] for (int i=A[P1.x][P1.y]; i<=S; i++) ^ user.cpp:25:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] for (int i=A[P1.x][P1.y]; i<=S; i++) ^ user.cpp:31:34: warning: array subscript has type ‘char’ [-Wchar-subscripts] son.x=node.x+dx[d]; ^ user.cpp:32:34: warning: array subscript has type ‘char’ [-Wchar-subscripts] son.y=node.y+dy[d]; ^ user.cpp:35:36: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (!seen[son.x][son.y]){ ^ user.cpp:35:43: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (!seen[son.x][son.y]){ ^ user.cpp:36:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] seen[son.x][son.y]=1; ^ user.cpp:36:42: warning: array subscript has type ‘char’ [-Wchar-subscripts] seen[son.x][son.y]=1; ^ user.cpp:38:38: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (i+A[son.x][son.y]<=S) ^ user.cpp:38:45: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (i+A[son.x][son.y]<=S) ^ user.cpp:39:40: warning: array subscript has type ‘char’ [-Wchar-subscripts] q[i+A[son.x][son.y]].push_back(son); ^ user.cpp:39:47: warning: array subscript has type ‘char’ [-Wchar-subscripts] q[i+A[son.x][son.y]].push_back(son); ^ user.cpp:42:49: warning: array subscript has type ‘char’ [-Wchar-subscripts]