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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int fun(int a) {
  5. 	return a*a + 2*a + 1;
  6. }
  7.  
  8. int boring(int a) {
  9. 	return (a + 1) * (a - 1);
  10. }
  11.  
  12. void out_of_space(int n) {
  13. 	cout << "Hello Space!\n";
  14. }
  15.  
  16. int main() {
  17. 	int n; cin >> n;
  18. 	switch(n%3) {
  19. 		case 1: cout << fun(n) << endl; break;
  20. 		case 2: cout << boring(n) << endl; break;
  21. 		case 0: out_of_space(n);
  22. 	}
  23. }
Success #stdin #stdout 0s 15240KB
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https://ideone.com/YzIVaL
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
secret

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