molecules.cpp: In function 'void Out(std::vector<long long int>)':
molecules.cpp:15:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
#define REP(i,a,b) for(ll i=a; i<b; i++)
molecules.cpp:24:29:
void Out(vector<ll> x) {REP(i,0,x.size()) {cout<<x[i]<<" ";} cout<<endl;}
~~~~~~~~~~~~
molecules.cpp:24:25: note: in expansion of macro 'REP'
void Out(vector<ll> x) {REP(i,0,x.size()) {cout<<x[i]<<" ";} cout<<endl;}
^~~
molecules.cpp: In function 'std::vector<long long int> find_subset(ll, ll, std::vector<long long int>)':
molecules.cpp:31:8: warning: unused variable 'curin' [-Wunused-variable]
ll curin;
^~~~~
/tmp/ccvjhaMV.o: In function `main':
grader.cpp:(.text.startup+0x152): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status