foo.cc: In function 'int main()':
foo.cc:37:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |     for (int i = 0; i < unassigned_tasks.size(); i++) {
      |                     ~~^~~~~~~~~~~~~~~~~~~~~~~~~
foo.cc:51:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |             for (int k = 0; k < temp.size(); k++) {
      |                             ~~^~~~~~~~~~~~~

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