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_Nishat_tasnim

array count

Apr 5th, 2021
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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6. int n,c=0;
  7. cin>>n;
  8. int arry[n];
  9. for(int i=0;i<n;i++)
  10. {
  11. cin>>arry[i];
  12. }
  13. sort(arry,arry+n);
  14. for(int i=0;i<n;i++)
  15. {
  16. if(arry[i]==arry[i+1])
  17. continue;
  18. else
  19. c++;
  20. }
  21. cout<<c<<endl;
  22. }
  23.  
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