Given an integer array arr and an integer difference, return the length of the longest subsequence in arr which is an arithmetic sequence such that the difference between adjacent …
Given two integers L and R, find the count of numbers in the range (inclusive) having a prime number of set bits in their binary representation. (Recall that the …
Modern Applications Development often requires testing APIs. If you don’t have backend API developed, you can create Mock API services using SoapUI. You probably can do the same thing …
Given an array A, partition it into two (contiguous) subarrays left and right so that: Every element in left is less than or equal to every element in right. …
Given two strings representing two complex numbers. You need to return a string representing their multiplication. Note i2 = -1 according to the definition. Example 1: Input: “1+1i”, “1+1i” …
In Python, we can check if an array or list contains duplicate items using the following one-liner function. def contain_duplicates(list): return len(set(list)) != len(list) The idea is to convert …
