5159: P8681 [蓝桥杯 2019 省 AB] 完全二叉树的权值
          Memory Limit:128 MB
          Time Limit:1.000 S
         
      
      
        
          Judge Style:Text Compare
          Creator:
      
      
          Submit:0
          Solved:0
      
Description

Input

Output

Sample Input Copy
7
1 6 5 4 3 2 1Sample Output Copy
2HINT
