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448. Find All Numbers Disappeared in an Array 448. Find All Numbers Disappeared in an Array Given an array nums of n integers where nums[i] is in the range [1, n], return an array of all the integers in the range [1, n] that do not appear in nums. Example 1: Input: nums = [4,3,2,7,8,2,3,1] Output: [5,6] Example 2: Input: nums = [1,1] Output: [2] Constraints: n == nums.length 1 2021. 7. 13.
414. Third Maximum Number 414. Third Maximum Number Given integer array nums, return the third maximum number in this array. If the third maximum does not exist, return the maximum number. Example 1: Input: nums = [3,2,1] Output: 1 Explanation: The third maximum is 1. Example 2: Input: nums = [1,2] Output: 2 Explanation: The third maximum does not exist, so the maximum (2) is returned instead. Example 3: Input: nums = [2.. 2021. 7. 13.
977. Squares of a Sorted Array 977. Third Maximum Number 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] Con.. 2021. 7. 13.
1051. Height Checker 1051. Height Checker A school is trying to take an annual photo of all the students. The students are asked to stand in a single file line in non-decreasing order by height. Let this ordering be represented by the integer array expected where expected[i] is the expected height of the ith student in line. You are given an integer array heights representing the current order that the students are .. 2021. 7. 13.
27. Remove Element 27. Remove Element Given an integer array nums and an integer val, remove all occurrences of val in nums in-place. The relative order of the elements may be changed. Since it is impossible to change the length of the array in some languages, you must instead have the result be placed in the first part of the array nums. More formally, if there are k elements after removing the duplicates, then t.. 2021. 7. 13.
905. Sort Array By Parity 905. Sort Array By Parity Given an array nums of non-negative integers, return an array consisting of all the even elements of nums, followed by all the odd elements of nums. You may return any answer array that satisfies this condition. Example 1: Input: nums = [3,1,2,4] Output: [2,4,3,1] The outputs [4,2,3,1], [2,4,1,3], and [4,2,1,3] would also be accepted. Note: 1 2021. 7. 12.

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