Problem	candies
User	Dolphy
Submission Time	2025-03-19 18:36:05
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

candies.cpp: In member function ‘long long int node::qry()’:
candies.cpp:22:28: error: ‘x’ was not declared in this scope
22 | if (S==E) return a[x]>0;
| ^