Problem	lightsflip
User	Shuhxin
Submission Time	2024-07-27 10:47:28
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lightsflip.cpp: In function ‘int main()’:
lightsflip.cpp:21:9: error: ‘else’ without a previous ‘if’
21 | else {
| ^~~~