foo.cc: In function ‘int main()’:
foo.cc:24:22: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::vector<int>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
   24 |         for(int j=0;j<SCORE.size();j++){
      |                     ~^~~~~~~~~~~~~
foo.cc:25:32: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::vector<int>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
   25 |                 for(int k=j+1;k<SCORE.size();k++){
      |                               ~^~~~~~~~~~~~~