/tmp/ccakjhVp.o: In function `Mark(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)':
grader.cpp:(.text+0x20): multiple definition of `Mark(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)'
/tmp/cc5aBgeb.o:hundred.cpp:(.text+0x10): first defined here
/tmp/ccakjhVp.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/cc5aBgeb.o:hundred.cpp:(.text.startup+0x0): first defined here
/tmp/cc5aBgeb.o: In function `main':
hundred.cpp:(.text.startup+0x136): undefined reference to `GetHundredPoints[abi:cxx11](int, int, int)'
/tmp/ccakjhVp.o: In function `main':
grader.cpp:(.text.startup+0x45): undefined reference to `GetHundredPoints[abi:cxx11](int, int, int)'
collect2: error: ld returned 1 exit status