Problem	trains
User	benji9736
Submission Time	2026-01-01 18:24:05
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

trains.cpp: In function ‘int main()’:
trains.cpp:27:33: error: ‘H’ was not declared in this scope
27 | for (int i : bucket[H]) {
| ^