foo.cc: In function 'int main()':
foo.cc:22:17: error: 'reverse' was not declared in this scope
   22 |                 reverse(nums.begin() + 1, nums.end());
      |                 ^~~~~~~
foo.cc:38:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |                         for (int i = 0; i < nums.size(); i++)
      |                                         ~~^~~~~~~~~~~~~
foo.cc:44:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |                 for (int i = start; i < nums.size(); i++)
      |                                     ~~^~~~~~~~~~~~~

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