Problem	replacingpavement
User	Xiaoyang
Submission Time	2023-12-30 14:08:48
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

replacingpavement.cpp: In function ‘int main()’:
replacingpavement.cpp:36:2: error: ‘else’ without a previous ‘if’
36 | else cout<<2*ans<<endl;
| ^~~~