gap.cpp: In function 'long long int findGap(ll, ll)':
gap.cpp:9:17: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
9 | while(a.size() < N){
| ~~~~~~~~~^~~
gap.cpp:17:15: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
17 | if(a.size() == N)break;
| ~~~~~~~~~^~~~
/usr/bin/ld: /tmp/ccRLk9sW.o: in function `main':
grader.cpp:(.text.startup+0x1b7): undefined reference to `findGap(int, int)'
collect2: error: ld returned 1 exit status