/in/foo.cc: In function 'int main()':
/in/foo.cc:137:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  137 |         for (int t = 0; t < temp.size(); ++t) {
      |                         ~~^~~~~~~~~~~~~
/in/foo.cc:142:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  142 |             int next_l = (t + 1 < temp.size()) ? temp[t + 1].first : (i + 1);
      |                           ~~~~~~^~~~~~~~~~~~~