foo.cc: In function 'int countFor(std::vector<int>&, std::vector<bool>&, int)':
foo.cc:11:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |     while (read < nums.size())
      |            ~~~~~^~~~~~~~~~~~~
foo.cc:14:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |         while (!dp[read] && read < nums.size())
      |                             ~~~~~^~~~~~~~~~~~~
foo.cc:19:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |         if (read == nums.size())
      |             ~~~~~^~~~~~~~~~~~~~

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