Problem	inversions
User	gordonlu
Submission Time	2023-11-19 10:20:49
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

inversions.cpp: In function ‘int main()’:
inversions.cpp:23:25: error: ‘count_if’ was not declared in this scope
23 | inversions[query] += count_if (array.begin() + index, array.end(), [&number] (int thisNumber) {
| ^~~~~~~~