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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	int i,n,j=0;
  7. 	cin>>n;
  8. 	for(i=n;i>=1;i--){
  9. 		j=j+(i*i);
  10. 	}
  11. 	cout<<j;
  12. 	return 0;
  13. }
Success #stdin #stdout 0.01s 5320KB
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https://ideone.com/TiWok2
language:
C++ (gcc 8.3)
created:
18 hours ago
visibility:
public

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