Problem	race
User	ngmh
Submission Time	2024-05-09 17:38:51
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

race.cpp: In function ‘void merge(int, int)’:
race.cpp:28:11: error: ‘K’ was not declared in this scope
28 | ll tgt = K+2*dist[x]; //overcount distance from root
| ^