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Saleh127

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May 4th, 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,n,a[10000],i,j,k,l;
  7. cin>>t;
  8. for(k=1;k<=t;k++)
  9. {
  10. l=0;
  11. cin>>n;
  12. for(i=1;i<=n;i++)
  13. {
  14. cin>>a[i];
  15. }
  16. for(i=1;i<=n;i++)
  17. {
  18. if(a[i]!=i)
  19. {
  20. for(j=1;j<=n;j++)
  21. {
  22. if(a[j]==i)
  23. {
  24. swap(a[i],a[j]);
  25. l++;
  26. break;
  27. }
  28. }
  29. }
  30. }
  31. printf("Case %lld: %lld\n",k,l);
  32. }
  33. return 0;
  34. }
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