LeetCode每日一题(2348. Number of Zero-Filled Subarrays)
Givenanintegerarraynums,returnthenumberofsubarraysfilledwith0.Asubarrayisacontiguousnon-emptysequenceofelementswithinanarray.Example1:Input:nums=[1,3,0,0,2,0,0,4]Output:6Explanation:Thereare4occurrenc