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  1. /*input
  2. 4
  3. 1
  4. 3
  5. 5
  6. 7
  7. */
  8. #include <bits/stdc++.h>
  9. using namespace std;
  10. int step = 0;
  11. int f(int x,int y){
  12. 	if(y != 0) step += x/y - (y==1); 
  13. 	if (y == 0) return x;
  14. 	return f(y,x%y);
  15. }
  16. int main(){
  17. 	ios_base::sync_with_stdio(false);cin.tie();
  18. 	int test;cin>>test;
  19.  	while (test--){
  20. 		int n;cin>>n;
  21. 		int ans = n-1;
  22. 		for(int i=n/2;i<n;++i){
  23. 			step = 0;
  24. 			if (f(n,i) == 1){
  25. 				ans = min (ans , step);
  26. 			}
  27. 		}
  28. 		cout << ans << '\n';
  29. 	}
  30. }
Time limit exceeded #stdin #stdout 5s 3456KB
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https://ideone.com/zDKK0N
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
public

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