Problem	railway
User	PlayVoltz
Submission Time	2023-09-13 10:05:23
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

railway.cpp: In function ‘int main()’:
railway.cpp:38:2: error: ‘precalc’ was not declared in this scope
38 | precalc.resize(n, vector<int>(n));
| ^~~~~~~