Add 1250. Check If It Is a Good Array

Author: Alexey Ilyukhov

LeetCode/1250_Check_If_It_Is_a_Good_Array.py

@@ -0,0 +1,15 @@
+class Solution(object):
+ def isGoodArray(self, nums):
+ """
+ :type nums: List[int]
+ :rtype: bool
+ """
+ def gcd(a, b):
+ if a == 0:
+ return b
+ if a > b:
+ return gcd(b, a)
+ return gcd(b % a, a)
+
+ return reduce(gcd, nums) == 1
+