Problem	lengthsort
User	zhiyan
Submission Time	2026-10-14 16:48:16
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lengthsort.cpp: In function ‘int main()’:
lengthsort.cpp:16:5: error: ‘sort’ was not declared in this scope; did you mean ‘qsort’?
16 | sort(arr, arr+n, cmp);
| ^~~~
| qsort