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Given an integer array nums
, return an array answer
such that answer[i]
is equal to the product of all the elements of nums
except nums[i]
.
The product of any prefix or suffix of nums
is guaranteed to fit in a 32-bit integer.
Example 1:
Input: nums = [1,2,3,4]
Output: [24,12,8,6]
Example 2:
Input: nums = [-1,1,0,-3,3]
Output: [0,0,9,0,0]
Constraints:
2 <= nums.length <= 105
-30 <= nums[i] <= 30
- The product of any prefix or suffix of
nums
is guaranteed to fit in a 32-bit integer.
Follow up:
- Could you solve it in
O(n)
time complexity and without using division?
- Could you solve it with
O(1)
constant space complexity? (The output array does not count as extra space for space complexity analysis.)
[Array]
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