ricehub.cpp:9:10: error: 'MAX' was not declared in this scope
9 | int n, x[MAX], px[MAX], L;
| ^~~
ricehub.cpp:9:19: error: 'MAX' was not declared in this scope
9 | int n, x[MAX], px[MAX], L;
| ^~~
ricehub.cpp: In function 'll sum(int, int)':
ricehub.cpp:13:9: error: 'px' was not declared in this scope
13 | return px[r] - (l == 0 ? 0 : px[l - 1]);
| ^~
ricehub.cpp: In function 'bool f(ll)':
ricehub.cpp:21:37: error: 'x' was not declared in this scope
21 | cost += sum(m + 1, r) - (r - m) * x[m];
| ^
ricehub.cpp: In function 'int besthub(int, int, int*, ll)':
ricehub.cpp:34:3: error: 'x' was not declared in this scope
34 | x[i] = _x[i];
| ^
ricehub.cpp:37:3: error: 'px' was not declared in this scope; did you mean '_x'?
37 | px[i] = x[i] + px[i - 1];
| ^~
| _x
ricehub.cpp:37:11: error: 'x' was not declared in this scope
37 | px[i] = x[i] + px[i - 1];
| ^