fork download
copy 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int y;cin>>y;while(y--){
  6. 		int x,n,i;cin>>x;
  7. 		int a[x];
  8. 		for(i=0;i<x;i++) cin>>a[i];
  9. 		sort(a,a+x);n=a[x-1];
  10. 		if(n%2==0){
  11. 			for(i=0;i<100;i++){
  12. 				if(n<=pow(2,i)){i-=1; break;}
  13. 			}
  14. 		}else{
  15. 			for(i=0;i<100;i++){
  16. 				if(n<=pow(2,i)) break;
  17. 			}
  18. 		}
  19. 		cout<<i<<"\n";
  20. 	}
  21. 	return 0;
  22. }
Success #stdin #stdout 0.01s 5476KB
comments (?)
stdin
copy 
4
3
2 2 2
4
100 200 13 47
2
0 0
3
1 2 3
stdout
copy 
0
7
-1
2
https://ideone.com/sJNZLt
language:
C++14 (gcc 8.3)
created:
1 year ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!