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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	double a;
  6. 	long long int b;
  7. 	double pot=1;
  8. 	cin>>a>>b;
  9. 	if(a==0)
  10. 		 if(b<=0) cout<<"-1";
  11. 		 else cout<<0;
  12. 	else if(a==1){
  13. 		cout<<1;
  14.  
  15. 	}
  16. 	else{
  17. 		for(int i=0;i<b;i++){
  18. 			pot*=a;
  19.  
  20. 		}
  21. 		cout<<fixed<<pot;
  22. 	}
  23. 	return 0;
  24. }
Success #stdin #stdout 0.65s 5280KB
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stdin
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Standard input is empty
stdout
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0.000000
https://ideone.com/TTwiB6
language:
C++14 (gcc 8.3)
created:
283 days ago
visibility:
public

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