Problem	inversions
User	Usu
Submission Time	2026-06-14 19:33:18
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

inversions.cpp: In function ‘int main()’:
inversions.cpp:36:15: error: expected ‘;’ before ‘fen’
36 | Fenwick(n) fen; int count=0;
| ^~~~
| ;
inversions.cpp:38:9: error: ‘fen’ was not declared in this scope
38 | fen.update(k[i],1);
| ^~~