Submission #8435999

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Source Code Expand

import numpy as np
import sys
n,k = map(int,input().split())
a = list(map(int,input().split()))

b = []

if n == 1:
  if a[0] == k:
    print("POSSIBLE")
  else:
    print("IMPOSSIBLE")
  sys.exit()

for i in range(len(a) - 1):
  b.append(abs(a[i]-a[i+1]))
  
c = int(np.min(b))

for i in a:
  if i - k > 0 and (i-k) % c == 0:
    print("POSSIBLE")
    sys.exit()
    
print("IMPOSSIBLE")
 

Submission Info

Judge Result