1. 类名.函数名
2. self.函数名
这道题本身没什么好记录的。因为我自己ac了,虽然代码写的烂,但也ac了。
class Solution(object):
def checkPossibility(self, nums):
"""
:type nums: List[int]
:rtype: bool
"""
flag = 0
i = 0
while i<len(nums)-1:
if nums[i] <= nums[i+1]:
i+=1
else:
if not flag:
tmp=nums[i]
del nums[i]
if not self.isDescending(nums):
nums.insert(i,tmp)
# print(nums)
del nums[i+1]
if self.isDescending(nums):
return True
i = 0
flag = 1
# print(nums)
else:
return False
return True
主要有两种情况:
# nums = [4, 2, 3] # del nums[i]
nums = [2, 3, 3, 2, 4] # del nums[i+1]