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Oct 15th, 2019
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  1. #include <iostream>
  2. #include <cstring>
  3. #include <algorithm>
  4. #include <vector>
  5. using namespace std;
  6.  
  7. typedef long long ll;
  8.  
  9. int n, a, b, dp[200000], ds[200000], a[200000];
  10. vector<int> g[200000];
  11.  
  12. int c(int p, int pr) {
  13. dp[p] = 1;
  14. for(int i: g[p])
  15. if(pr != i)
  16. dp[p] += c(i, p);
  17. }
  18.  
  19. void f(int p, int pr) {
  20. for(int i: g[p])
  21. if(pr != i) {
  22. ds[i] += ds[p] + 1;
  23. f(i, p);
  24. }
  25. }
  26.  
  27. void dfs(int p, int pr) {
  28. for(int i: g[p])
  29. if(pr != i) {
  30. a = (sum = sum - dp[i] + (n - dp[i]));
  31. }
  32. }
  33.  
  34. int main()
  35. {
  36. cin >> n;
  37. for(int i = 0; i < n - 1; ++i)
  38. cin >> a >> b, g[a - 1].push_back(b - 1), g[b - 1].push_back(a - 1);
  39. ds[0] = 0;
  40. c(0, -1);
  41. f(0, -1);
  42. int sum = 0;
  43. for(int i = 0; i < n; ++i)
  44. sum += ds[i];
  45. cout << sum << " ";
  46. for(int i: g[0])
  47. dfs(i, 0);
  48. for(int i = 1; i < n; ++i)
  49. cout << (sum = sum - dp[i] + (n - dp[i])) << " ";
  50. cout << endl;
  51. }
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