Problem	fenwicktree_easy
User	Yannwen09
Submission Time	2023-11-07 09:03:37
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

fenwicktree_easy.cpp:1:1: error: ‘ios_base’ does not name a type
1 | ios_base::sync_with_stdio(false);
| ^~~~~~~~
fenwicktree_easy.cpp:3:1: error: ‘cin’ does not name a type
3 | cin.tie(NULL);
| ^~~