Find Out the Longest Arithmetic Sequence in Array Using Dynamic Programming Algorithm
Given an array A of integers, return the length of the longest arithmetic subsequence in A. Recall that a subsequence of A is a list A, A, …, A …
Find Numbers with Even Number of Digits using the Reduce Function in Javascript, C++ and Python
Given an array nums of integers, return how many of them contain an even number of digits. Example 1: Input: nums = Output: 2 Explanation: 12 contains 2 digits …
How to Solve SMTP: Could Not Authenticate using Gmail + PHPMailer?
Sending a mail through PHPMailer is often scripted via PHP if you intend to send email notifications when new comments are recieved on your wordpress blog, or when the …
The Reduce Function in Python
In Python, the reduce() function is declared in the functools. And it has the following function signature: reduce(method, data, initial_value); The reduce() function will iterate over the data array …
The Combination Function and Iterator using Depth First Search Algorithm
The combination algorithm returns the sequence for a list or string without considering the order. For example, the Combination of string “abc” with two characters would be “ab”, “ac” …
Compute the Sequential Digits within a Range using DFS, BFS, or Bruteforce Algorithms
An integer has sequential digits if and only if each digit in the number is one more than the previous digit. Return a sorted list of all the integers …