leetcode day22 longest continuous increasing subarray & 1bit and 2bits

1、longest continuous increasing subarray
题目描述:求出一个数组中,单调递增的最长的数组
题目思路:sliding window, 我的方法是,设定一个变量,当nums[i+1] <nums[i]的时候,count_cur=0,其他时候加一,然后归零的时候与count_max相比,最后返回count_max

class Solution:
    def findLengthOfLCIS(self, nums: List[int]) -> int:
        count_cur = 0
        count_max = 0
        for i in range(len(nums)):
            count_cur += 1
            count_max = count_cur if count_max<count_cur else count_max
            if i<len(nums)-1 and nums[i+1] <= nums[i]:
                count_cur = 0
        return count_max
                
        

2、题目描述:只有两种编码方式,第一种是1bit的0,第二种是2bits的10和11,给一个数组,对其编码,看是否最后一个character为1bit的
题目思路:遍历,当当前元素是1,则i+2,r=False,否则i+1,r=true

class Solution:
    def isOneBitCharacter(self, bits: List[int]) -> bool:
        r_bool = False
        i = 0
        while i<len(bits):
            if bits[i] == 1:
                r_bool = False
                i += 2
            else:
                i += 1
                r_bool = True
        return bool(i) if len(bits)==1 else r_bool

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转载自blog.csdn.net/qq_39029148/article/details/88981092
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