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  1. #include <iostream>
  2. using namespace std;
  3. int n;
  4. long long all=1,pre=1,si=3;
  5. int main() {
  6. 	cin>>n;
  7. 	//for(int j=1;j<20;j++){
  8. 		for(int i=2;i<=n;i++){
  9. 			pre+=si;
  10. 			all+=pre;
  11. 			//cout<<pre<<"\n";
  12. 			cout<<all<<"\n";
  13. 			si*=4;
  14.  
  15. 		}
  16. 		cout<<all<<"\n";
  17. 	//}
  18. 	return 0;
  19. }
Success #stdin #stdout 0s 5280KB
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stdin
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50
stdout
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6148914691236517205
https://ideone.com/LCEdKG
language:
C++ (gcc 8.3)
created:
43 days ago
visibility:
public

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