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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4. int main() {
  5. 	long long a,b,x,s,t,ans=-1;
  6. 	cin >> a >> b >> x;
  7. 	s=a+b;
  8. 	t=abs(a)+abs(b);
  9. 	(!x) && cout << 0 || 
  10. 	(x==a) && cout << abs(a) ||
  11. 	!((x - a) % (s)) && ((x - a) / (s)) * (t) + abs(a) >= 0 && cout << ((x - a) / (s)) * (t) + abs(a) ||
  12. 	!(x % (s)) && x / (s) * (t) >= 0 && cout << x / (s) * (t) || cout << -1;
  13. 	return 0;
  14. }
Success #stdin #stdout 0s 15232KB
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-1
https://ideone.com/BPG6Qn
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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