biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:7:19: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
7 | while(a.size()!=n) a.push_back(0) ;
| ~~~~~~~~^~~
/tmp/ccCl41Qt.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccPUvICq.o:biscuits.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status