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listavecini

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Feb 24th, 2017
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  1. #include <fstream>
  2. #include <iostream>
  3.  
  4. using namespace std;
  5.  
  6. ifstream fin("listavecini.in");
  7. ofstream fout("listavecini.out");
  8.  
  9. int nrvecini(int, int);
  10. int a[101][101];
  11. int main()
  12. {
  13. int n, x, y;
  14. fin>>n;
  15. while(fin>>x>>y)
  16. a[x][y]=a[y][x]=1;
  17. for(int i=1; i<n+1; i++)
  18. {
  19. fout<<nrvecini(i, n)<<" ";
  20. for(int j=1; j<n+1; j++)
  21. if(a[i][j])
  22. fout<<j<<" ";
  23. fout<<endl;
  24. }
  25. return 0;
  26. }
  27.  
  28. int nrvecini(int l, int n)
  29. {
  30. int ct=0;
  31. for(int i=1; i<n+1; i++)
  32. if(a[l][i])
  33. ct++;
  34. return ct;
  35. }
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