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Description https://leetcode.com/problems/find-numbers-with-even-number-of-digits/ Given an array nums of integers, return how many of them contain an even number of digits. Example 1: Input: nums =…
Description https://leetcode.com/problems/sum-of-unique-elements/ You are given an integer array nums. The unique elements of an array are the elements that appear exactly once in…
Description https://leetcode.com/problems/deepest-leaves-sum/ Given a binary tree, return the sum of values of its deepest leaves. Example 1: Input: root =…
Description https://leetcode.com/problems/find-n-unique-integers-sum-up-to-zero/ Given an integer n, return any array containing n unique integers such that they add up to 0. Example 1: Input: n = 5 Output:…
Description https://leetcode.com/problems/flipping-an-image/ Given an n x n binary matrix image, flip the image horizontally, then invert it, and return the resulting image. To flip an…
Description https://leetcode.com/problems/swap-salary/ SQL Schema Table: Salary +————-+———-+ | Column Name | Type | +————-+———-+ | id | int | | name…
Description https://leetcode.com/problems/matrix-diagonal-sum/ Given a square matrix mat, return the sum of the matrix diagonals. Only include the sum of all the elements on…
Description https://leetcode.com/problems/armstrong-number/ The k-digit number N is an Armstrong number if and only if the k-th power of each digit sums to…
Description https://leetcode.com/problems/cells-with-odd-values-in-a-matrix/ Given n and m which are the dimensions of a matrix initialized by zeros and given an array indices where indices[i] = [ri, ci]. For…
Description https://leetcode.com/problems/find-numbers-with-even-number-of-digits/ Given an array nums of integers, return how many of them contain an even number of digits. Example 1: Input: nums =…