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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	int a1, a2, a3;
  7. 	while(true) {
  8. 		cin >> a1 >> a2 >> a3; if(a1==0 && a2==0 && a3==0) break;
  9. 		if(a2*a2==a1*a3) cout << "GP " << int(float(a3)*float(float(a3)/float(a2))) << endl;
  10. 		int m1 = a2-a1, m2 = a3-a2; if(m1==m2) cout << "AP " << a3+m2 << endl;
  11. 	}
  12. 	return 0;
  13. }
Success #stdin #stdout 0s 4252KB
comments (?)
stdin
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4 7 10
2 6 18
0 0 0
stdout
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AP 13
GP 54
https://ideone.com/hgmyFD
ACPC10A - What’s Next
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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