00005

力扣 209 滑动窗口

class Solution(object):
    def minSubArrayLen(self, target, nums):
        start = 0
        temp = float( 'inf')
        su = 0
        for i in range( len( nums)):
            su += nums[i]
            while su >= target:
                l = i - start + 1
                temp = min( temp, l)
                su -=nums[start]
                start += 1
        return 0 if temp == float('inf') else temp