tutorial2.cpp: In function 'int main()':
tutorial2.cpp:21:23: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
tutorial2.cpp:25:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
/tmp/ccg7cMAp.o: In function `main':
tutorial2.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccLQR8xl.o:grader.cpp:(.text.startup+0x0): first defined here
collect2: ld returned 1 exit status