Problem	plagia
User	chenweilian
Submission Time	2024-12-11 13:26:41
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

plagia.cpp: In function ‘int main()’:
plagia.cpp:119:20: error: ‘l’ was not declared in this scope
119 | root[j] -> upd(l, r);
| ^
plagia.cpp:119:23: error: ‘r’ was not declared in this scope
119 | root[j] -> upd(l, r);
| ^