LeetCode --- 977. Squares of a Sorted Array 解题报告
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Given an integer array nums sorted in non-decreasing order, return an array of the squares of each number sorted in non-decreasing order.
Example 1:
Input: nums = [-4,-1,0,3,10] Output: [0,1,9,16,100] Explanation: After squaring, the array becomes [16,1,0,9,100]. After sorting, it becomes [0,1,9,16,100].
Example 2:
Input: nums = [-7,-3,2,3,11] Output: [4,9,9,49,121]
Constraints:
1 <= nums.length <= 104-104 <= nums[i] <= 104numsis sorted in non-decreasing order.
Follow up: Squaring each element and sorting the new array is very trivial, could you find an O(n)
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