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a53

Picard

a53
May 15th, 2022
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  1. #include <bits/stdc++.h>
  2. #define INF 10000000
  3. using namespace std;
  4. ifstream fin("picard.in");
  5. ofstream fout("picard.out");
  6. int n, m, s, smax, imax, c[102][102], d[102];
  7. void RoyFloyd()
  8. {
  9. for(int k=1; k<=n; k++)
  10. for(int i=1; i<=n; i++)
  11. for(int j=1; j<=n; j++)
  12. if(c[i][j]>c[i][k]+c[k][j])
  13. c[i][j]=c[i][k]+c[k][j];
  14. }
  15. int main()
  16. {
  17. int x, y, L, i, j;
  18. fin>>n>>m;
  19. for(i=1; i<=n; i++)
  20. for(j=1; j<=n; j++)
  21. if(i!=j)
  22. c[i][j]=INF;
  23. for(i=1; i<=m; i++)
  24. {
  25. fin>>x>>y>>L;
  26. c[x][y]=c[y][x]=L;
  27. }
  28. RoyFloyd();
  29. for(i=1; i<=n; i++)
  30. {
  31. s=0;
  32. for(j=1; j<=n+1; j++)
  33. {
  34. if(c[i][j]!=INF)
  35. s+=c[i][j];
  36. }
  37. d[i]=s;
  38. if(s>smax)
  39. smax=s;
  40. }
  41. for(int i=1; i<=n; ++i)
  42. if(d[i]==smax)
  43. fout<<i<<" ";
  44. return 0;
  45. }
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