Problem	mercurypoisoning
User	Dynonychus
Submission Time	2024-01-31 23:30:50
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

mercurypoisoning.cpp: In function ‘int main()’:
mercurypoisoning.cpp:41:6: error: ‘vec’ was not declared in this scope
41 | if(vec.at(i).at(0) != vec.at(i-1).at(0)) {
| ^~~