molecules.cpp: In function 'std::vector<long long int> find_subset(long long int, long long int, std::vector<long long int>)':
molecules.cpp:19:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'long long unsigned int' [-Wsign-compare]
19 | for(int i=0;i<w.size()*1LL;i++){
| ~^~~~~~~~~~~~~
molecules.cpp:26:10: warning: comparison of integer expressions of different signedness: 'long long int' and 'long long unsigned int' [-Wsign-compare]
26 | while(l1<w.size()*1LL&&r1<w.size()*1LL){
| ~~^~~~~~~~~~~~~
molecules.cpp:26:27: warning: comparison of integer expressions of different signedness: 'long long int' and 'long long unsigned int' [-Wsign-compare]
26 | while(l1<w.size()*1LL&&r1<w.size()*1LL){
| ~~^~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccfB5gsk.o: in function `main':
grader.cpp:(.text.startup+0x13d): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status