Problem	missingnumber
User	Astronite
Submission Time	2025-08-05 20:52:48
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

missingnumber.cpp: In function ‘int main()’:
missingnumber.cpp:18:5: error: ‘sort’ was not declared in this scope; did you mean ‘qsort’?
18 | sort(arr, arr + m);
| ^~~~
| qsort