Submission #5000610

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Source Code Expand

N, P = map(int, input().split())
A = list(map(int, input().split()))
odd = 0
even = 0
for i in range(N):
  if A[i] %2 == 0:
    even += 1
  else:
    odd += 1
if P == 0:
  if even == N:
    print(2**N)
  else:
    print(2**(N-1))
    
else:
  if even == N:
    print(0)
  else:
    print(2**(N-1))

Submission Info

Judge Result