/usr/bin/ld: /tmp/cchCMFO4.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cccK3wZ6.o:candies.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cchCMFO4.o: in function `main':
grader.cpp:(.text.startup+0x30e): undefined reference to `distribute_candies(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