foo.cc: In function 'bool check(long long int, ma)':
foo.cc:34:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |     for(int i=0;i<y.boom.size();i++)
      |                 ~^~~~~~~~~~~~~~
foo.cc: In function 'int main()':
foo.cc:57:43: error: expected ';' before 'if'
   57 |                 an[j].boom=an[j-w[i]].boom
      |                                           ^
      |                                           ;
   58 |             if(check(i,an[j-w[i]]))
      |             ~~                             

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