tutorial2.cpp:3:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
tutorial2.cpp: In function 'int main()':
tutorial2.cpp:4:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
tutorial2.cpp:5:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
/tmp/cc0QH96N.o: In function `main':
tutorial2.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccP7tPnd.o:grader.cpp:(.text.startup+0x0): first defined here
/tmp/ccP7tPnd.o: In function `main':
grader.cpp:(.text.startup+0x97): undefined reference to `GetMax(int, int*)'
collect2: ld returned 1 exit status