问如何在c++中检查分区是否为空

EN

#include <algorithm> 
#include <vector>
#include <iostream>

using namespace std;

int main() {
  vector<uint32_t> v {0,1,2,3,4,0,0,0};

  auto bound = std::stable_partition(v.begin(), v.end(), [](auto element)
  {
      return element > 0;
  });

  // print out content:
  std::cout << "non zeros";
  for (auto it=v.begin(); it!=bound; ++it)
      std::cout << ' ' << *it;
  std::cout << '\n';

  std::cout << "zeros";
  for (auto it=bound; it!=v.end(); ++it)
      std::cout << ' ' << *it;
  std::cout << '\n';
}