Python | Leetcode Python题解之第503题下一个更大元素II
题目：
题解：
class Solution:
def nextGreaterElements(self, nums: List[int]) -> List[int]:
n = len(nums)
ret = [-1] * n
stk = list()
for i in range(n * 2 - 1):
while stk and nums[stk[-1]] < nums[i % n]:
ret[stk.pop()] = nums[i % n]
stk.append(i % n)
return ret