foo.cc: In function 'bool bin_find(std::vector<int>&, int, int)':
foo.cc:16:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |     if (right < nums.size() && nums[right] == aim) return true;
      |         ~~~~~~^~~~~~~~~~~~~
foo.cc: In function 'int main()':
foo.cc:28:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |     for (int i = 0; i < nums.size() - 1; i++)
      |                     ~~^~~~~~~~~~~~~~~~~

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