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  1. # Coded by Vishal Mourya
  2. # If you use this code anywhere you need to mention my name as above 
  3. t = int(input())
  4.  
  5. while t > 0:
  6.  
  7.     n = int(input())
  8.     v = map(int,input().split())  
  9.     v = list(v)
  10.  
  11.     allXor = v[0] ^ v[1]
  12.     for i in range(2,n):
  13.         allXor = allXor ^ ( v[i] )
  14.  
  15.     if allXor % 2 == 0:
  16.         print("YES")
  17.     else:
  18.         print("NO")
  19.     t = t - 1
Success #stdin #stdout 0.02s 9176KB
comments (?)
stdin
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2
4
1 2 3 4
2
100 111
stdout
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YES
NO
https://ideone.com/9i632F
language:
Python 3 (python  3.9.5)
created:
3 years ago
visibility:
secret

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