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  1. #include <iostream>
  2. #include<bits/stdc++.h>
  3. #define ll long long
  4. using namespace std;
  5.  
  6. int main()
  7. {
  8. ll n,i;
  9. cin>>n;
  10. ll x[n];
  11. for(i=0;i<n;i++)
  12. cin>>x[i];
  13. sort(x,x+n);
  14. ll sum=0;
  15. for(i=0;i<n;i++)
  16. sum+=x[i]-i;
  17. if(sum%2==0)
  18. cout<<"cslnb";
  19. else
  20. cout<<"sjfnb";
  21. return 0;
  22. }
Success #stdin #stdout 0s 15240KB
stdin
3
2 3 1
stdout
sjfnb