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Saleh127

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May 1st, 2020
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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long
  4. int main()
  5. {
  6. ll t,a[100000],y[100000],c,d,e,f,i,j,k,l;
  7. cin>>t;
  8. for(c=1;c<=t;c++)
  9. {
  10. f=0;
  11. cin>>d>>e;
  12. for(i=0;i<d;i++)
  13. {
  14. cin>>a[i]>>y[i];
  15. }
  16. sort(y,y+d);
  17. f=y[0]+e;
  18. l=1;
  19. for(j=0;j<d;j++)
  20. {
  21. if(f<y[j])
  22. {
  23. l++;
  24. f=y[j]+e;
  25. }
  26. }
  27. printf("Case %lld: %lld\n",c,l);
  28. }
  29. return 0;
  30. }
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