text: #include "testlib.h"
  #include <vector>
  
  using namespace std;
  
  int main(int argc, char * argv[])
  {
      setName("compare unordered sequences of signed int%lu numbers", 8 * sizeof(long long));
  
      registerTestlibCmd(argc, argv);
  
      vector<long long> ja, pa;
  
      while (!ans.seekEof())
          ja.push_back(ans.readLong());
  
      while (!ouf.seekEof())
          pa.push_back(ouf.readLong());
  
      if (ja.size() != pa.size())
          quitf(_wa, "Expected %u elements, but %u found", (unsigned int)(ja.size()), (unsigned int)(pa.size()));
  
      sort(ja.begin(), ja.end());
      sort(pa.begin(), pa.end());
  
      if (ja != pa)
          quitf(_wa, "Expected sequence and output are different (as unordered sequences) [size=%u]", (unsigned int)(ja.size()));
  
      string message;
      
      if (ja.size() != 1)
          if (ja.empty())
              message = "empty sequence";
          else
              message = vtos(ja.size()) + " numbers (in increasing order):";
      else
          message = vtos(ja.size()) + " number:";
      
      if (ja.size() <= 5)
          for (int i = 0; i < min(int(ja.size()), 5); i++)
              message += " " + vtos(ja[i]);
      else
      {
          for (int i = 0; i < 2; i++)
              message += " " + vtos(ja[i]);
          message += " ...";
          for (int i = 0; i < 2; i++)
              message += " " + vtos(ja[ja.size() - 2 + i]);
      }
          
      quitf(_ok, "%s", message.c_str());
  }
  