Problem	nile
User	VNHbest
Submission Time	2026-07-07 20:32:37
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

/usr/bin/ld: /tmp/ccig1jS4.o: in function `main':
grader.cpp:(.text.startup+0x329): undefined reference to `calculate_costs(std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status