scrivener.cpp: In function 'int main()':
scrivener.cpp:22:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &q);
^
/tmp/cczyfkj6.o: In function `main':
scrivener.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccYgRSSC.o:grader.cpp:(.text.startup+0x0): first defined here
/tmp/ccYgRSSC.o: In function `main':
grader.cpp:(.text.startup+0x5d): undefined reference to `Init()'
grader.cpp:(.text.startup+0xef): undefined reference to `TypeLetter(char)'
grader.cpp:(.text.startup+0x14b): undefined reference to `UndoCommands(int)'
grader.cpp:(.text.startup+0x173): undefined reference to `GetLetter(int)'
collect2: error: ld returned 1 exit status