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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int n;
  7. 	cin >> n;
  8. 	for (int i = 2; i <= n; i += 2) {
  9. 		cout << i << "^2 = " << i * i << endl;
  10. 	}
  11. 	return 0;
  12. }
  13.  
Success #stdin #stdout 0s 16064KB
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stdin
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6
stdout
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2^2 = 4
4^2 = 16
6^2 = 36
https://ideone.com/HFz3RR
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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