A - Choosing Teams(432A - Choosing Teams)

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  2. 432A - Choosing Teams
  3. #include<bits/stdc++.h>
  4. using namespace std;
  5. int main()
  6. { int n,k;
  7. cin>>n>>k;
  8. int a[n];
  9. for(int i=0;i<n;i++){
  10. cin>>a[i];
  11.  
  12. }
  13. int team=0;
  14. sort(a,a+n);
  15. for(int i=0;i<n;i++){
  16. if(a[i]+k<=5)team++;
  17.  
  18. }
  19.  
  20. cout<<team/3;
  21. return 0;}

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