Problem	ranges
User	KL
Submission Time	2025-06-20 16:08:32
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

ranges.cpp: In function ‘int main()’:
ranges.cpp:17:13: error: ‘j’ was not declared in this scope
17 | for(j = l-1; j < r; j++){
| ^