Problem	duckwalk
User	2110100
Submission Time	2023-09-06 22:53:49
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

duckwalk.cpp: In member function ‘node segtree::query(int, int, int)’:
duckwalk.cpp:84:49: error: ‘hell’ was not declared in this scope
84 | if (tr[v] < l || tl[v] > r) return node(hell);
| ^~~~
duckwalk.cpp: In function ‘int solve()’:
duckwalk.cpp:119:24: error: ‘hell’ was not declared in this scope
119 | dp[j][i] = hell;
| ^~~~