Leetcode 238. product of arrays other than itself

Give you an array of integers nums, return Array answer , among answer[i] be equal to nums Middle Division nums[i] Product of other elements .

Subject data Guarantee Array nums The product of all prefix elements and suffixes of any element in 32 position In the range of integers .

Please do not use division , And in O(n) Complete this question in time complexity .

Example 1:

 Input : nums = [1,2,3,4]
 Output : [24,12,8,