Problem	duckhunt30
User	abcde271828
Submission Time	2026-02-11 22:59:29
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

duckhunt30.cpp: In function ‘int32_t main()’:
duckhunt30.cpp:127:36: error: ‘MOD’ was not declared in this scope
127 | root->update(a, b, x % MOD, y % MOD);
| ^~~