December 2021 – IndusTechie

leetcode solution of problem 1409

Posted on December 5, 2021December 5, 2021 by Admin

Queries on a Permutation With Key Given the array queries of positive integers between 1 and m, you have to process all queries[i] (from i=0 to i=queries.length-1) according to the following rules: In the beginning, you have the permutation P=[1,2,3,…,m]. For the current i, find the position of queries[i] in the permutation P (indexing from…

leetcode 1929 solution in java

Posted on December 3, 2021July 3, 2022 by Admin

Concatenation of Array Given an integer array nums of length n, you want to create an array ans of length 2n where ans[i] == nums[i] and ans[i + n] == nums[i] for 0 <= i < n (0-indexed). Specifically, ans is the concatenation of two nums arrays. Return the array ans. The problem is taken…