Compilare: user.cpp: In function ‘void BFS()’: user.cpp:46:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] vx = now.x + dx[i]; ^ user.cpp:47:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] vy = now.y + dy[i]; ^ user.cpp:48:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] vz = now.z + dz[i]; ^ user.cpp:50:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (!ok (vx, vy, vz) || A[vx][vy][vz]) ^ user.cpp:50:45: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (!ok (vx, vy, vz) || A[vx][vy][vz]) ^ user.cpp:50:49: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (!ok (vx, vy, vz) || A[vx][vy][vz]) ^ user.cpp:53:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (!Best[vx][vy][vz] || Best[vx][vy][vz] > Best[now.x][now.y][now.z] + 1){ ^ user.cpp:53:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (!Best[vx][vy][vz] || Best[vx][vy][vz] > Best[now.x][now.y][now.z] + 1){ ^ user.cpp:53:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (!Best[vx][vy][vz] || Best[vx][vy][vz] > Best[now.x][now.y][now.z] + 1){ ^ user.cpp:53:45: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (!Best[vx][vy][vz] || Best[vx][vy][vz] > Best[now.x][now.y][now.z] + 1){ ^ user.cpp:53:49: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (!Best[vx][vy][vz] || Best[vx][vy][vz] > Best[now.x][now.y][now.z] + 1){ ^ user.cpp:53:53: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (!Best[vx][vy][vz] || Best[vx][vy][vz] > Best[now.x][now.y][now.z] + 1){ ^ user.cpp:53:67: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (!Best[vx][vy][vz] || Best[vx][vy][vz] > Best[now.x][now.y][now.z] + 1){ ^ user.cpp:53:74: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (!Best[vx][vy][vz] || Best[vx][vy][vz] > Best[now.x][now.y][now.z] + 1){ ^ user.cpp:53:81: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (!Best[vx][vy][vz] || Best[vx][vy][vz] > Best[now.x][now.y][now.z] + 1){ ^ user.cpp:54:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] Best[vx][vy][vz] = Best[now.x][now.y][now.z] + 1; ^ user.cpp:54:28: warning: array subscript has type ‘char’ [-Wchar-subscripts]