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  1. #include <cstdio>
  2. #include <vector>
  3. #include <chrono>
  4. struct Data
  5. {
  6. int pos;
  7. int move;
  8. int data[100]; // ステータスとかいろいろ想定
  9. };
  10. int main()
  11. {
  12. std::vector<Data> data(10000000);
  13. auto start = std::chrono::high_resolution_clock::now();
  14. for(size_t i = 0; i < data.size(); i++)
  15. {
  16. data[i].pos = (i*123) % 55;
  17. data[i].move =(i*55) % 122;
  18. }
  19. for(size_t i = 0; i < data.size(); i++)
  20. {
  21. data[i].pos += data[i].move;
  22. }
  23. auto end = std::chrono::high_resolution_clock::now();
  24. auto time = std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count() /1000.f;
  25. printf("time=%fs", time);
  26.  
  27. return 0;
  28. }
Success #stdin #stdout 1.16s 3986884KB
stdin
Standard input is empty
stdout
time=0.193000s