exit status 1
/usr/bin/ld: /tmp/ccYO1mTq.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccZQPD9p.o:main.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccYO1mTq.o: in function `main':
grader.cpp:(.text.startup+0xdb): undefined reference to `Kezd(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)'
/usr/bin/ld: grader.cpp:(.text.startup+0x14c): undefined reference to `Eredmeny[abi:cxx11]()'
/usr/bin/ld: grader.cpp:(.text.startup+0x25d): undefined reference to `Szamlal(int, int, char)'
/usr/bin/ld: grader.cpp:(.text.startup+0x2a6): undefined reference to `Kivag(int, int)'
/usr/bin/ld: grader.cpp:(.text.startup+0x2df): undefined reference to `Mutal(int, char)'
/usr/bin/ld: grader.cpp:(.text.startup+0x31f): undefined reference to `Beszur(int, char)'
/usr/bin/ld: grader.cpp:(.text.startup+0x33c): undefined reference to `Eredmeny[abi:cxx11]()'
collect2: error: ld returned 1 exit status
Exited with error status 1