Source code for submission s951

fn.cpp

  1. #include <iostream>
  2. #include <vector>
  3. #include <stdio.h>
  4.  
  5. int main()
  6. {
  7. bool yn = false;
  8. int body = 0;
  9. int cary = 0;
  10. int i;
  11. //int poleCar[cary][2] = {(0,1),(0,2),(0,3),(0,4)};
  12. //int poleBodu[body] = {0,0,0,0,0};
  13. int x;
  14. int y;
  15. scanf("%d %d",&body,&cary);
  16. std::vector<std::vector<int> > myVector(cary);
  17. for(i = 0; i < cary;i++)
  18. {
  19. getchar();
  20. scanf("%d %d",&x,&y);
  21. myVector[i].push_back(x);
  22. myVector[i].push_back(y);
  23. }
  24.  
  25. std::vector<int> bodyVector;
  26. for(i = 0;i<body;i++)
  27. bodyVector.push_back(0);
  28.  
  29. for(i = 0;i<cary;i++)
  30. {
  31. bodyVector[myVector[i][0]]++;
  32. bodyVector[myVector[i][1]]++;
  33.  
  34. }
  35. for(i = 0;i<body;i++)
  36. {
  37. if(bodyVector[i] == 4)
  38. {
  39. std::cout << "YES" << std::endl;
  40. return 0;
  41. }
  42. }
  43. std::cout << "NO" << std::endl;
  44.  
  45.  
  46. return 0;
  47. }
  48.