Compilare: user.cpp: In function ‘int main()’: user.cpp:41:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (ok(b.x,b.y,b.z) && dist[b.x][b.y][b.z]==0 && v[b.x][b.y][b.z]==0){ ^ user.cpp:41:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (ok(b.x,b.y,b.z) && dist[b.x][b.y][b.z]==0 && v[b.x][b.y][b.z]==0){ ^ user.cpp:41:42: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (ok(b.x,b.y,b.z) && dist[b.x][b.y][b.z]==0 && v[b.x][b.y][b.z]==0){ ^ user.cpp:41:55: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (ok(b.x,b.y,b.z) && dist[b.x][b.y][b.z]==0 && v[b.x][b.y][b.z]==0){ ^ user.cpp:41:60: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (ok(b.x,b.y,b.z) && dist[b.x][b.y][b.z]==0 && v[b.x][b.y][b.z]==0){ ^ user.cpp:41:65: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (ok(b.x,b.y,b.z) && dist[b.x][b.y][b.z]==0 && v[b.x][b.y][b.z]==0){ ^ user.cpp:42:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] dist[b.x][b.y][b.z]=dist[a.x][a.y][a.z]+1; ^ user.cpp:42:14: warning: array subscript has type ‘char’ [-Wchar-subscripts] dist[b.x][b.y][b.z]=dist[a.x][a.y][a.z]+1; ^ user.cpp:42:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] dist[b.x][b.y][b.z]=dist[a.x][a.y][a.z]+1; ^ user.cpp:42:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] dist[b.x][b.y][b.z]=dist[a.x][a.y][a.z]+1; ^ user.cpp:42:34: warning: array subscript has type ‘char’ [-Wchar-subscripts] dist[b.x][b.y][b.z]=dist[a.x][a.y][a.z]+1; ^ user.cpp:42:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] dist[b.x][b.y][b.z]=dist[a.x][a.y][a.z]+1; ^ user.cpp:55:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (ok(b.x,b.y,b.z) && dist[b.x][b.y][b.z]==num-1){ ^ user.cpp:55:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (ok(b.x,b.y,b.z) && dist[b.x][b.y][b.z]==num-1){ ^ user.cpp:55:42: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (ok(b.x,b.y,b.z) && dist[b.x][b.y][b.z]==num-1){ ^ user.cpp:21:29: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("alge.in","r",stdin); ^ user.cpp:22:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]