Python | Leetcode Python题解之第496题下一个更大元素I
题目：
题解：
class Solution:
def nextGreaterElement(self, nums1: List[int], nums2: List[int]) -> List[int]:
res = {}
stack = []
for num in reversed(nums2):
while stack and num >= stack[-1]:
stack.pop()
res[num] = stack[-1] if stack else -1
stack.append(num)
return [res[num] for num in nums1]